Metric bolt sizes chart
Metric bolt sizes chart. 35 mm. and shorter in lengths. For some applications, you may want to try using a larger size key than the one recommended in the chart to see if it fits. m90 metric bolt 90. Bolt Head/Wrench Size; Recommended Bolt Torque; Standard Thread Length for Bolts; Thread Pitch Table (Coarse and Fine) Metric Bolt Diameter and Thread Chart Our printable 'lay-over' sizing chart for identifying May 26, 2022 · All sizes of nuts and bolts fall into one of two main categories: standard/inch and metric. 26 130. Aug 28, 2024 · A metric screw size chart can help in identifying and matching screw components during procurement and assembly. US Bolts - Head and Wrench Sizes Hex Bolt, Lag Bolt, Square Bolt and Choose from our selection of screw size charts, including screw size identifiers, screw, bolt, and nut size identifiers, and more. 9 and 12. Feb 2, 2021 · Thread sizes are given in nominal sizes, not in actual measurement. 25 - M 8 per. All units in mm. ” A property class designation consists of two numbers separated by a decimal point. For bolts and screws longer than 6 in. Metric Bolt Specification. Page 1 of 5 SAE to Metric Conversion Chart SAE Size Metric Size Inches (decimal) Notes 5/32" 0. 8 6mm x 1. The bolt’s class indicates its material strength, with higher numbers meaning higher tensile and yield strength. Metric US Decimal Closest* Overview. 2020. Table of Contents. 3 days ago · Screw sizes: #4, #6, #8, #10, #12, #14, etc. 8M BS ISO EN DIN 20898-7 Mechanical properties of fasteners : torsional test and minimum torques for bolts and screws with nominal diameters 1–10 mm Aug 22, 2023 · A metric screw size chart is fundamentally different from imperial screw charts since they don’t contain information on the number of threads per inch. Aug 18, 2020 · Learn about different types of bolts, their uses, and the standard bolt dimensions in metric and imperial units. Metric bolt sizes are available in a range of diameters, from as small as 2mm to as large as 100mm or more. Nominal screw sizes M5 and larger have six drilled holes spaced 60 degrees apart unless the purchaser specifies two drilled holes. Dec 20, 2011 · • metric thread -- aerospace threads mj • metric 30 degree tr form thread -- trapezoidal thread (~acme) -- tr • metric buttress coarse thread -- din 513 • metric knuckle thread -- din 405 • metric knuckle thread -- din 20400 • metric screw thread insert threads - for helical wire inserts -- eg m In the metric system, both the diameter of screws and the length are measured in millimeters. Threaded Bolts - Stress Area Threaded bolts tensile stress area. 188 Overview of the Metric Socket Sizes Chart. 00 89. 13 63. 5 mm, & 7 mm. Make sure that you get the right sized screw. ISO Socket Head Screw Size Data Table Chart ISO 4762. These metric bolt torque charts show the ideal tightening torque for class 8. Jul 30, 2024 · Learn how to read metric screw callouts and find the right size for your project. The charts below gives the dimensions for Hexagon head, Socket cap, Low head socket cap, Socket countersink, Socket button and Shoulder screw with Metric Threads. Bolt Thread Sizes. Because this is approximately the same as the Major or Thread diameter, the thread diameter measurement can be used for fully threaded bolts. Use the dimensions of your bolt to determine the appropriate size nut. 9 are normally found. Conclusion on understanding a screw size chart. As a result, it can be difficult to locate an accurate chart which covers a range of hex bolt types and sizes. DIN Standard 931 Hex Bolt Size Chart Tap & Clearance Drill Sizes Tap Drill Clearance Drill Screw Size Major Diameter Plastics Threads Per Inch Minor Aluminum, Brass, Diameter 75% Thread for & 50% Thread for Steel, Stainless, & Iron Close Fit Free Fit Drill Size Dec. 0 16mm x 1. The most common system adhered to is the ISO Metric Screw Thread, where designations like M6x1 Standard Metric Machine Screw Sizes mm 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150. The M4 screw size has a diameter of 7/64 inches. Metric Bolt Size Chart. This chart contains is a standard wrench size for bolts along with recommended torque specifications. Do not use these values for standard metric internal thread designs. ISO Hardware Engineering Data | ANSI Hardware Engineering Data. The following table chart are standard metric internal thread sizes M 9 - M 24 per. 2. Metric Tap Chart Tap Drill Clearance Drill Aluminum, Brass, Plastics Steel, Stainless Steel, Iron Screw Size Major Dia (mm) mm per Thread Drill Size Closest US and Metric Thread Sizes mm 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180. The length of the bolt is also expressed in millimeters and can vary based on the specific needs of the The easiest way to figure those out is to consult our screw size chart below. Use this chart to determine the mm size of the M value stamped on a bolt. 5 16mm x 2. Drilled head metric hexagon socket head cap screws normally are not available in screw sizes smaller than M3 nor larger than M36. T-Slots and T-Nuts - Metric Sizes Standard metric T-slots and T-nuts. 9 60. WARNING: SHOP manual torque specifications The chart below offers the best substitute for popular allen wrench sizes from both Imperial to Metric and Metric to Imperial. There are nine commonly encountered: 4. Our metric stud bolt to nut table is meant to help determine the correct size bolt or nut for your purpose. 307A 307B A325 A449 BC BD A490 H - K G 9 for additional technical information, contact fastenal engineering at engineer@fastenal. Standard & metric screw size chart Lag Screw Metric Size and Dimensions per. Find the dimensions, classes, tolerances and formulas for ISO metric screw threads. 11M-1993 below are the standard size drill bits used and readily available in industry. 22M Metric, Flat Washers, per. This is the key step for converting SAE to metric. Title: metric-size-chart-nut Created Date: 2/16/2017 12:45:39 PM Aug 27, 2024 · Metric Bolt Size Chart. 112 Metric Fastener Reference Charts including DIN and ISO Designations, Common Metric Sizes, Metric vs. ANSI B18. 5 (Note: Head sizes may differ from what is shows due to differences between metric standards) Measure length from under the mm 10 20 30 40 50 Metric Nut Sizes mm 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 210. Jul 5, 2024 · Learn how to decode the bolt code and choose the right metric bolt size for your project. 156 5/32" and 4mm are 4mm 0. In our metric screw size chart above, metric thread size is denoted by a series of numbers and letters that encapsulate various dimensions including the major diameter, thread pitch, and thread type. 0 10mm x 1. ISO DIN BS EN 4762 specifies the characteristics of hexagon socket head cap screws with coarse pitch thread from M1,6 up to and including M64 and product grade A. Use this chart as a general guide if you don’t have torque specifications listed in the shop manual. There are two common methods to write the thread dimensions. The M3 and M4 nominal screw sizes have two drilled holes spaced 180 degrees apart. Converting the wrench sizes for metric bolts. The three most common drive size types are 1/4″, 3/8″, and 1/2″. Meter = 1,000 mm. 75 12mm x 1. The 1st choice column follows the R10 series from ISO 3, while the 2nd choice column is rounded off values from the R20 series from ISO 3. Grade 2 requirements for sizes 1/4 through 3/4 in apply only to bolts and screws 6 in. If the pitch isn't specified, the fastener is assumed to be coarse thread by default. Bicycles Pretty much all of the fasteners used on bicycles these days are actually designed for use with a hex key. 9. 0 14mm x 1. Metric. Direct Number: (817) 467-1377 800 Number: (800) 361-6627 Fax Number: (817) 467-5365 1916 Peyco Drive North Arlington, TX 76001. Jan 14, 2022 · In this post, you will find a socket size chart for both metric and standard (SAE), in their respective order of size. Note - Metric screw diameters usually start with "M" (M3, M4, M5), for this chart you can just drop the 'M' from the front and add an extra at the back (M3 = 3mm, M4 = 4mm). Complementing the bolt size chart, this standard nut size chart aids in identifying the ideal match for your bolts. When reading our wrench conversion chart, start with the bolt that you are fastening. In metric system, the bolts (and nuts) are usually referred using the letter ‘M’ followed by additional dimensions. Definitions of terms are located below the chart. Find the dimensions of metric coarse machine screw threads as defined by ISO standards. Machinist Drill Bit Size Table | Drill Bit Size Chart | ISO Metric Drill Bit Size Table. The following table chart defines standard metric external thread size M1. The classes are set by the International Standards Organisation or ISO. There is an exception though—if pitch isn't specified, the fastener is coarse threaded. Drill Size Dec. Machinist Screw Thread Tap - Drill Size Table Chart ANSI Sizes | Drill Size Chart (UNC, UNF & Metric ISO Series) Whitworth BS Pipe Thread Size and Tap Drill Table Chart DIN/ISO 228 Pipe Thread Tap and Drill Size Chart ANSI NPT Feb 25, 2020 · Less Common Metric Sizes. By using this site, you consent to the use, by us and our partners, of cookies gathered from your use of our site. A single Data reference PDF for Fastener Thread Sizes, Pitches and Cross references across UNC, UNF, UN, BSW, BSF, SI & ISO Metric along with BSP, NPT, NPS & ISO Pipe Threads, American Threads and BA, Conduit and Cycle Threads. 00 167. 086 #3 DIA = 0. Metric Banjo Bolts is part of banjo coupling fittings, it is designed with hollow screw bolt for fluid and pneumatic transfer. g. These sizes are 1 mm, 1. The following is a metric socket size chart: Manufacturing Knowledge Menu Tolerance Charts Menu. What DO all of these screw and bolt sizes mean? In this video, we break down how screws & bolts are sized and how the US measurement system and Metric measur Oct 29, 2016 · Click To Download our Fastener Data Sheet Of Screw Thread Sizes. Spanner Size. 74 54. Here, ‘M’ indicates the bolt uses metric threads ‘6’ indicates the nominal diameter of the bolt (at the shank or the Just like the metric bolt size chart, the metric classes chart has an additional column that contains the standard grade equivalent. Oct 29, 2016 · Click To Download our Fastener Data Sheet Of Screw Thread Sizes. Taking a closer look at this description, let’s explore its meaning: Understanding US Fastener Sizes Fasteners come in various sizes and measurements, which can be confusing when trying to select the right one for your project. 00 99. Except for the very lowest grades, metric nuts and bolts all carry identification markings which indicate their strength. From there, look at the options you have for both SAE and metric wrenches. Here is an example of how metric sizing: M10-1. 13M-1995. 25″ × 25. The chart below shows SAE measurements (in fractions) and the equivalent metric and inch decimal measurements for common socket, wrench, and screw sizes. Thread Pitch: F: E: T: Hex Bolt Dimensions DIN US Bolt Diameter and Thread Chart Our printable 'lay-over' sizing chart for identifying US bolt diameter and thread count. 60 SAE to Metric Bolt Conversion Chart : For bolts longer than 200mm - multiply the diameter by 2 and add 25mm – this is the minimum length that the thread is likely to be. The most used denominators are powers of 2. Now let’s break it down: The charts below show metric bolt conversions to standard bolt conversions and DIN numbers for fasteners. The chart below provides information regarding metric bolts sizes and dimensions. 6, 4. These thread sizes and classes represent bolts and screws, as well, as other standard internal threads. Jul 28, 2023 · This wrench size chart features both standard and metric wrench sizes from smallest to largest. Apr 28, 2009 · In metric bolts, strength is described by “property classes. 6 to M18 per. 0. However, here’s a quick overview from the chart: The M2 screw size has a diameter of 1/16 inch. Hardware Sizes: Metric Screw Thread. This article focuses on one of the most widely adopted screw threads standards worldwide – the iso metric screw thread standard. Title: metric-size-chart-nut Created Date: 2/16/2017 12:45:39 PM Jul 22, 2024 · Take an example of a bolt of size 9/16 inches. 8. 25 mm, 3. For example, a common metric specification of a bolt is “M6-1. 43 159. In the United States, the standard socket sizes are measured in inches, while in most other countries, socket sizes are measured in millimeters. 1 Unified National Thread - UNC Coarse series and UNF Fine series. And if you’re in such a situation, you’ll have to use and try all of the possible wrench sizes to find the correct one. 00 125. Machine Screw Size Charts. 50 150. This chart can also be used to determine the thread pitch on fasteners, which is essential when determining the size of the external thread. Fraction to Decimal: Divide top # by bottom # Decimal to Millimeter: Multiply Decimal by 25. INCH/METRIC CONVERSION MATH. The following table of thread sizes for coarse and fine pitch thread was created using the standard sizes from ASME B1. 6 to 14. It lists the major diameter, thread pitch, minor diameter, and pitch diameter for Screw Sizes Conversion Chart & Metric to Imperial Conversion Guide. 1. The diameter of a bolt is the Shank diameter, expressed in millimetres for Metric bolts. Here, ‘M’ indicates the bolt uses metric threads ‘6’ indicates the nominal diameter of the bolt (at the shank or the A reference chart comprising the standard and not so standard metric and imperial fastener sizes. 5 10mm x 1. While these metric Allen key sizes do exist, they rarely appear in your basic Allen wrench sets. 099 #4 DIA = 0. The first tap drill chart below is in mm and the next in inches. Knowing the decimal equivalent for a US screw size is very helpful, especially when using digital calipers to measure screw sizes or when you need to drill a hol The size of a metric screw or bolt is specified as diameter, pitch and length, in millimeters (millimeters is abbreviated "mm"). You can learn more about drive types here . Metric Socket Size Chart. The bolt chart provides both US and metric stud sizes. This Standard contains general metric standards for a 60-degree symmetrical screw thread with a basic ISO 68 designated profile. 0 7mm x 1. . 25). UNC to metric Converstion Chart In the inch screw table for UNC, we provide a clear comparison of the most common sizes. A metric ISO screw thread is designated by the letter M followed by the value of the nominal diameter D (the maximum thread diameter) and the pitch P, both expressed in millimetres and separated by a dash or sometimes the multiplication sign, × (e. 25 10mm x 1. The clearance drill sizes listed are the most commonly used sizes. Here’s our in-depth chart using the UTS system. 25 - M 1. ANSI/ASME B1. Metric Nut Sizes mm 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 210. The values listed in the chart above are the recommended values for a class 2 thread fit. Metric Thread Size Explained. The metric socket sizes chart is a valuable resource that provides an organized overview of the different metric socket sizes available. Find out the common sizes, uses, and tips for selecting bolts based on load, material, and length. 9mm, it is called a 6mm thread. 9, and 12. 8, 9. Specification DIN 125 This table define the dimensional limits of metric washers DIN 125 Metric Hex Head Screw ISO Hex Head bolts, ISO 4014, ISO 4016, ISO 4017, ISO 4018 We use cookies. FASTENER SIZE CHART. The following table chart are standard metric internal thread sizes M 0. Useful when you are trying to narrow the size down to the absolute closest mm or fraction of an inch. 3. 073 #2 DIA = 0. Finding the right screw sizes can be a tedious task. For standard bolts in the range of M5 – M12 . With many different styles, metric bolts are used in a variety of industries like aerospace, military, marine, oil & gas, construction, and automotive. This site uses cookies to enable several features including shopping carts and the collection of usage statistics. Multiply the size in millimeters by 0. ANSI Screw and Nut Threads Size Chart. This article includes a comprehensive metric screw size chart with diameter, pitch, tap drill and clearance drill for each screw size. Inch = 25. Title: metric-size-chart-machine-screw Created Date: 2/16/2017 12:46:26 PM In our metric screw size chart above, metric thread size is denoted by a series of numbers and letters that encapsulate various dimensions including the major diameter, thread pitch, and thread type. We’ve also included a metric machine screw size chart for international machine screws. Find a ratio with a result similar to the conversion you performed. 07 m100 metric bolt 90. Understanding nut sizes, including diameter, thread pitch, and type, is essential for achieving secure fastening. 4 mm. Instead, metric measurements specify the thread pitch only, which is the distance between the threads on the screw. 10 145. Aug 19, 2021 · From handheld devices to your kitchen faucet and garbage disposal, the compact head of a hex-shaped fastener make it easy to use when more traditional fasteners would be a tight fit. Imperial Machine Screws Size Chart (UTS) The following table chart are standard metric external thread sizes M 0. The standard is in basic agreement with ISO screw standards and resolutions, as of the date of publication, and features detailed information for diameter-pitch combinations selected as to preferred standard sizes. For nuts, size will appear as diameter and pitch. SAE to Metric Conversion Chart. 03937. This chart includes information about drive sizes, socket size ranges, and point configurations, helping you quickly identify the right metric socket for your needs. On the head of each bolt are two numbers separated by a decimal point, the full list includes ten grades from 3. Threads per Inch, Millimeters to Inch Conversion. Sizing for nuts will appear as diameter and pitch. The bolt diameter is the measurement between the two prongs of the wrench. The chart shows the major and minor diameters, thread pitch, tapping and drilling diameters, and clearance hole diameters for each bolt size. Find a comprehensive bolt dimensions chart with various bolt sizes and shapes. Screw sizes are a standard specification that ensures screws are interchangeable and appropriate for specific applications. For this bolt, you’ll have two options for wrench size on both of the measurement scales. Why Lightning Bolt for Metric Bolt Thread Pitch Charts and metric threaded Fasteners? Lightning Bolt & Supply has been servicing North America’s industrial fastener needs for over 25 years. The designation of a screw thread gives the thread symbol, the nominal size, the pitch, and the thread tolerance class (Ex: M6 x 1 - 4g6g). 5 12mm x 1. ANSI/ASME B94. The printable fastener tools series also includes general charts and tools for identifying and measuring fasteners, including a ruler and thread gauge. The Unified Thread Standard (UTS) defines a 60° thread form in Inch dimensions as described in the ASME B1. #0 DIA = 0. M8-1. MEASURING A FASTENER. The following are metric external thread size table chart for sizes M20 to M55 per. We also have information on Imperial and Unified Bolts. 8, 5. 5 mm, 4. While it may seem natural to look for imperial nut and bolt sizes when searching for fasteners measured in inches, the industry does not use this term. Metric Bolt Dimensions. Email: ISO 261 specifies a detailed list of preferred combinations of outer diameter and pitch for ISO metric screw threads. In instance like bolt size, 9/16 Size chart with Metric nut dimensions according to ISO 4032 Metric Nut Dimensions Chart according to ISO 4032. Created Date: 4/10/2020 2:58:21 PM Dec 8, 2022 · An M6 screw size refers to a metric 6 mm screw. Tap Drill Chart (mm and inches) Drill sizes given are the ‘closest’ drill size. 00 140. 4 per. 8, 10. Thread Pitch = The distance between threads. 25 14mm x 2. THREAD DATA CHART: Metric Thread -- Fine Pitch; Nominal Size ISO MF Thread Form Type Major Diameter mm d=D Pitch mm p Root Radius mm r Pitch Diameter mm d2=D2 Standard Nut Size Chart. 4 to convert it to millimeters. The M5 screw size has a diameter of 1/8 inch. 13M. 7 5mm x 0. Here’s an example of a metric bolt specification: M5-1. Jul 16, 2021 · Metric Bolt Thread Size: Thread sizes for coarse and fine pitch thread were created using the standard sizes from ASME B1. We refer to metric bolts using ‘M’ sizes followed by the diameter, thread pitch, and length. Jun 5, 2019 · With that being said, it’s generally safer and more efficient to use SAE wrenches with SAE bolt sizes and metric wrenches on metric hardware. With over 250 metric sizes, the chart displays the equivalent fraction and decimal number for easy cross referencing. 5mm 0. Eq. Bold = Common fastener sizes METRIC TO IMPERIAL CHART Not to scale. ISO 262:1973 ISO general purpose metric screw threads - Selected sizes for screws, bolts and nuts ISO 724:1993 ISO general-purpose metric screw threads - Basic dimensions ISO 965-1:1980 ISO general purpose metric screw threads - Tolerances - Part 1: Principles and basic data Jul 2, 2015 · Contact Us. Dimensions shown are in mm, if you wish to convert to Inches, please use our universal converter. Also called Major diameter. It is the North American equivalent of the ISO metric thread system. We’ll explore the fundamentals of metric fasteners as well as the metric thread chart. For instance, when a screw or bolt measures 5. 4. 25 or M8×1. 177 3/16" 0. Coarse pitch threads are preferred and should be used whenever possible, as stated in ASME B1. This refers to the distance across the flats of a metric hexagonal bolt head. Both are available as a printable tap drill chart PDF as well. 13 57. The outside diameter of the threads is 6 mm. %PDF-1. In tolerance class designation, the pitch diameter tolerance is followed by major diameter tolerance. Feb 1, 2021 · This formula works for both metric and imperial units, and for all 60-degree threads (all ISO, DIN, UTS, UNC, UNS, and UNF bolts). Shank Diameter. 0 12mm x 1. 4 = 6. Title: US-and-Metric-Thread-Sizes Created Date: 2/16/2017 1:42:53 PM Dec 27, 2022 · Metric Bolt Size Chart. 059 #1 DIA = 0. See the charts for possible combinations of diameter and pitch, basic profile, allowance, deviations and limits. THREAD PITCH - INCH. Grade 1 requirements shall apply. Consider this size… M8-1. Thread sizes in inches are specified by diameter and threads per inch. ANSI and ISO Twist drill size chart Fractional and Metric Sizes per. 0 x 20. The following conversion chart aims to illustrate the inch screws and metric screws that can be effectively compared. Metric bolts allow for the flexibility of worldwide shipping that meets the measurement standards across the globe. 25 8mm x 1. The following hex bolt size charts should help you to easily select the most suitable product for your requirements. The next step is to multiply the inch decimal by 25. Jul 2, 2024 · Measure the size of the bolt in millimeters. The Metric Thread Chart PDF is a comprehensive guide that will make finding the right metric thread size easier than ever. Their purpose is largely to serve specialized applications where size constraints and strength requirements need to be met. 5 mm, 5. Inch Sizes, Fastener Sizes in Inches, Pitch vs. You can also use a conversion chart between metric and SAE: you will save some time! Apr 19, 2023 · Once you know a bolt’s diameter, you can use this chart to find the wrench size for bolts. 8, 8. 4 Millimeter to Decimal: Multiple mm by . 0 8mm x 1. Since then, our focus on the production of high quality parts at competitive pricing has allowed us to become an industry leader. Because this is approximately the same as the Major or Thread diameter the thread diameter measurement can be used for fully threaded bolts Home-News-Metric Banjo bolts dimensions size chart Banjo bolts available in UNF, Metric and BSP type thread fitments. 4 %âãÏÓ 20 0 obj > endobj xref 20 42 0000000016 00000 n 0000001544 00000 n 0000001872 00000 n 0000002060 00000 n 0000002446 00000 n 0000002805 00000 n 0000003183 00000 n 0000003428 00000 n 0000003563 00000 n 0000003704 00000 n 0000003748 00000 n 0000006002 00000 n 0000006325 00000 n 0000006455 00000 n 0000006490 00000 n 0000006639 00000 n 0000009332 00000 n 0000009428 00000 n Feb 26, 2020 · Metric fastener sizes are specified by diameter, pitch and length, in millimeters (mm). 0 x 20”. 03937 to find the size in inches. American Metric Washers Size Table Metric Washers per ANSI B18. To assist in ordering, we offer metric bolt conversion data for industrial bolts/rods, machine screws, and small-diameter fasteners, including approximate equivalency and common DIN numbers. When finding the correct wrench size Aug 29, 2023 · Most hex bolt size charts refer to a specific range of products. The first number in the imperial system is the gauge of the screw which refers to the diameter – the larger the number, the larger the diameter. These thread sizes and classes represent bolts and screws, as well, as other standard external threads. The most common system adhered to is the ISO Metric Screw Thread, where designations like M6x1 signify a M6 screw with major diameter of 6 mm and Below is a table common fastener sizes and lengths and their US (Inch) decimal and closest fraction equivalent. 5 %âãÏÓ 7 0 obj > endobj xref 7 71 0000000016 00000 n 0000002018 00000 n 0000002078 00000 n 0000002863 00000 n 0000003247 00000 n 0000006740 00000 n 0000007153 00000 n 0000007692 00000 n 0000008020 00000 n 0000014094 00000 n 0000039451 00000 n 0000065165 00000 n 0000090563 00000 n 0000116389 00000 n 0000116530 00000 n 0000116669 00000 n 0000142610 00000 n 0000166915 00000 n Metric bolts are measured in millimeters (mm), however, the M value stamped on the bolt head is a measurement size, not the actual size of the bolt in millimeters. Bolts, Threaded Rods, Drill Aug 18, 2020 · Bolts Types and Sizes: Metric & Imperial Bolt Dimensions Chart | CNCLATHING . 9 but in plant and machinery only grades 8. com. Here's what the description means… PRINTABLE FASTENER TOOLS SERIES 4mm x 0. 9 bolts for both wet and dry tightening. Be aware that using a smaller size key will increase the chance of stripping the hardware. 18 These to-scale 'lay-over' charts let you quickly identify dimensions by simply matching up your fastener with the printout. UNC and UNF - Unified Coarce and Unified Fine Inch Threads ANSI/ASME B1. Determine compatible nut and bolt sizes based on this diameter measurement. 11 143. This section contains tables of sizes for metric thread hardware. Sizing the right Screw can be complicated unless you are familiar with the various screw sizings that are quoted on the packaging, often both in imperial and metric. 157 close enough 4. 1 standard. There are a dozen screw head types that work in a variety of applications. In the metric system, bolt sizes are expressed in millimeters and are based on the diameter of the bolt. Metric socket sizes are measured in millimeters (mm) and are commonly used in most parts of the world. emku nllq zqwfm qbmol yjrwa kwmjd ealsom jaxkf rkhn nwlo