Bolt torque chart mm. cylinder head bolts and main bearing cap bolts. Unless othe...

Bolt torque chart mm. cylinder head bolts and main bearing cap bolts. Unless otherwise specified use torque values listed above. The torque value must generate enough clamping force (bolt load) to seat the gasket without exceeding the bolt’s yield strength or damaging the flange face. 9, Class 12. 6, 8. Below are the standard values for the three most common metric classes: A bolt/screw torque chart, also known as a torque specification chart, is a reference table that provides recommended torque values for tightening bolts, screws, and fasteners of various sizes and types. Includes DIN/ISO specs, hex key sizes, and FAQ. Clamp loads estimated as 75% of proof load for specified bolts. The classes are set by the International Standards Organisation or ISO. All other torque values are in foot lb. Some manufacturers may specify a torque for Metric Steel Bolts - Grades and Property Classes Metric steel bolts, screws and studs - proof and tensile strength. s. 75 Property Class 10. Metric Bolt Torque Specifications Was this article helpful? Oct 4, 2020 · Bolt head/Wrench size to bolt diameter conversion chart: Standard recommended torque spec for each size bolt: Conversion factor based on bolt condition (reduce by 30% for heavily greased [anti-seized] bolts): Coefficient factor indicates bolt condition (k factor indicates dry, vs lubed, vs greased, etc), koken chart is based Have any questions? Talk with us directly using LiveChat. METRIC Torque GUIDE This chart is a guide only Due to Varing Factors that Affect the Torque / Tension Correlation like Human Error, Surface Texture, Thread Wear or Fatigue and Lubrication - Eg (Plain or Plated, if Oil/Grease, Antisieze or Threadlock is used). These torque specs are to be used on clean, dry threads. Guidelines are given for properly Mar 12, 2026 · The chart below provides typical tightening torque values for common metric bolt sizes and strength grades, including Grade 8. BOLT TORQUE TABLE Diameter Recommended Torque BOLT THREAD LENGTHS Standard Thread Length (mm)* * Important Note: Some bolts may vary from the standard thread length. ** Torque values for 1/4" and 5/16" sizes are in inch lb. 4 days ago · Learn how to properly tighten bolts and nuts using the right tools, torque specs, and techniques to keep fasteners secure and prevent loosening over time. Conversion tables are also provided to convert between units like foot-pounds, Newton meters, and inch ounces. 5 The recommended tightening torque for an M22 x 2. Bolt Grades, Torque Specs www. The chart The document provides a table with torque and clamp load specifications for metric fasteners of different material grades (Classes 4. 8 10. Bolt Torque Chart Email Id: sales@dalloyedfasteners. Find recommended tightening specs by diameter and grade, including common sizes like M8 and M12. Find recommended torque values and fastener guides at Dultmeier Sales. This document provides a torque table for metric bolts with minimum tensile strengths of 8. Boltmasters has technical data for your bolt requirements, including torque settings and breaking loads. Fine Thread Bolt Torque Chart Metric Recommended torque fine thread tightening torque in (Nm) tightening torque in (ft lbs) Metric thread sizes Metric Strength classes Torque Unit 8. Torque Specifications for M12 x 1. Reference values for preload and tightening torques with tables for metric coarse threads, metric fine threads, plastic screws and more. ASTM A-354 Grade BD bolts. 13 hours ago · Calculate the correct torque for metric bolts instantly. This document provides recommended torque values for bolts of various grades and sizes in metric units. The table then gives the recommended torque specifications in Newton meters for tightening each bolt size according to its 1 day ago · Use our torque converter holding tool calculator to find the right holding force, bolt torque, and tool specs for any transmission job. It also discusses factors that influence the torque-tension relationship for bolts like diameter, grade, surface finish, and lubrication. Coarse threads; dry condition unless noted. 8 The recommended tightening torque for an M5 x 0. What Is a Standard Bolt Torque Chart? A standard bolt torque chart is essentially a table that lists the recommended torque values for bolts of various sizes and grades. METRIC BOLTS, SCREWS & NUTS TIGHTENING TORQUES FAILURE OF THREADED FASTENERS DUE TO OVER - TIGHTENING CAN OCCUR BY BOLT SHANK FRACTURE OR BY STRIPPING OF THE NUT AND/ OR BOLT'S THREAD. Below are the standard values for the three most common metric classes: Bolt Torque Table Formula T = KDP Where, P = bolt clamp load, lb. Instagram Caption: Yo, mechanics and DIY rebels! Stop screwing up your bolts with mismatched tools and level up with this epic Bolt & Spanner Size Chart. Torque is measured in foot-pounds (ft-lbs) or Newton-meters (Nm). g. 5 bolt varies by property class and lubrication condition. Find the recommended torque values for different bolt sizes, grades, and threads in u. Enhance your projects with detailed dimensions and compatibility information. 8, 10. The values shown in the chart are to be used as a mid-range guideline. Proper torque application is critical for the integrity and safety of mechanical assemblies, preventing issues such as bolt failure, loosening, or damage to the components being . If a bolt is under-torqued, the bolt will not clamp and hold the parts properly. These technical data sheets are easy to download and print Metric Recommended Bolt Torque The maximum recommended torques given in the table below assume that the threads have been lightly oiled. dalloyedfasteners. The torque values can only be achieved if nut (or tapped hole) has a proof load greater than or equal to the bolt's minimum ultimate tensile strength. Alternatively,use the Torque/Tension Calculator on the Norbar website which enables fastener and friction conditions to be modified with ease. The following table shows the tightening torque for metric thread fasteners. Enter bolt grade, size, and material to get accurate torque specs. The table provides torque values based on three property classes (8. These charts typically specify torque in units such as Newton-meters (Nm) or kilogram-meters (kg·m), with Nm being the most widely used in modern settings. industrialmetalsupply. Fast, accurate, free. Metric Bolt Strength: Minimum, Ultimate Tensile & Proof Loads - Metric Minimum ultimate tensile and proof loads for metric bolts with coarse or fine threads. This torque is transmitted to the metric fasteners using an adjustable, suitable torque wrench. K = torque coefficient (dimensionless) T = Torque D = nominal diameter (inches) Torque Specifications for M14 x 2 The recommended tightening torque for an M14 x 2 bolt varies by property class and lubrication condition. Complete metric socket fastener torque chart for socket head, low head, button, flat head, and set screws (M3–M30). So please use the following as a Guide Only. Stainless Steel with A4-70 bolt lubricatied with MoS2 Stainless Steel with A4-80 bolt lubricated with MoS2 tohnichi torque table. It lists the recommended tightening torque values for lubricated, zinc plated and plain/dry conditions. Monster Bolts. Shiny hex heads, pro visuals, and a slick metric/imperial toggle Mar 6, 2026 · Discover the essential Machine Screw Size Chart for precise measurements and specifications. For example, for a M12 x 1. 9, and 12. Get an overview of reference values for preload and tightening torques in an assembly, including tables for metric coarse threads, metric fine threads, tightening torques for plastic screws, and more. The importance of correct bolt tightening cannot be over emphasized. ️ 5mm to 18mm screw sizes ️ Matching wrench sizes from 8mm to 27mm ️ Useful for A bolt torque chart is a reference guide that provides the recommended torque values for various sizes and grades of bolts, ensuring proper fastening and preventing damage. The tension is 85% of the proof load. 14. 8, Class 10. Turn the wrench in a clockwise motion (looking up) until the torque wrench clicks, then release Bolt torque is the rotational force applied to stud bolt nuts to compress a gasket between two flange faces and create a leak-free seal. Same and Next Day Delivery. We’ve got the must-know metric pairings: 5mm bolt? Grab that 8mm spanner. Lubricating the bolts is suggested to reduce the torque required compared to dry bolts. IFI-100 does not govern lock nuts above 1". 9 hex head cap screw The table covers grade 2, 5, and 8 bolts, as well as bronze, brass, and. Bolt & Spanner Size Chart: Metric Magic for Your Toolbox Mayhem! Instagram Caption: Yo, mechanics and DIY rebels! Stop screwing up your bolts with mismatched tools and level up with this epic Bolt & Spanner Size Chart. These torque values are widely used in mechanical engineering, fabrication, construction and industrial maintenance applications. 9, along with nominal bolt sizes and thread pitches. 9 hex cap screw and nut with a Zinc Yellow Plating the recommended torque is found in Table 18 (138 N-m or 102 ft-lbs). Free FUTEK-style bolt torque calculator with imperial & metric units, presets, and reference data. Fasteners Bolts, nuts and threaded rods - torque, tension and loads. Below are the standard values for the three most common metric classes: Metric Bolt Torque Chart Large - Free download as PDF File (. Free metric bolt torque calculator. Over- and under-torqueing a bolt can result in premature failure, though most failures are due to under-torque. Includes M3-M36 metric torque specs, SAE Grade 5/8 values, thread engagement rules, and step-by-step torque calculation formulas. This chart is for common Metric size threads. Torque Table Standard Bolt Sizes SAE Torque Design Menu Torque-Force Calculator Torque Conversion Calculator Torque Table The following suggested tightening torques provide an excellent starting point for determining torque requirements. Metric Bolts, Screws & Nuts: Tightening Torques Torque Specs by Bolt Size and Grade General Torque Specification Guide If you need to torque a critical fastener and you can't find a manufacturer's torque spec, you can use the charts below for the maximum recommended torque values for different grades and sizes of fasteners. 9 fasteners. The corresponding values for the various screw sizes and strength classes for metric coarse threads can be found in the metric torque table below. 9 Bot Verification Verifying that you are not a robot Reference torque chart for socket screws in inch and metric sizes. US & Metric Bolt Torque by Grade TORQUE CHART - METRIC PLAIN AND ZINC PLATED HEX HEAD AND SOCKET HEAD CAP SCREWS Class 10. In developing this information, Fastenal has made a determined effort to present its contents accurately. com Call Us: +91 7666996996 Website: www. This document provides torque specifications for metric and inch fasteners made of various steel grades. You should only use these where the machine manufacturer has not specified a torque. Mar 10, 2026 · The following table shows recommended torque values for common metric bolt sizes across grades 8. A metric bolt torque chart is a reference tool that lists recommended torque values for various sizes and types of metric bolts and screws. Up to 18mm beasts needing 27mm grip. Sep 26, 2025 · Discover how to use a bolt torque chart to tighten fasteners safely. Some manufacturers may specify a torque for Torque tolerance + 0%, -15% of torquing values. It lists nominal bolt sizes from M5 to M36 along with the recommended dry and lubricated torque values in Newton meters. Tightening Torque Guide It is vital that bolts and other threaded fasteners are tightened with the right force, so that theysuficiently clamp components without damaging the bolt or nut. 9 based on ISO 898-1. Torque is This document provides a metric bolt torque table with specifications for bolt sizes from M5 to M36 under dry and lubricated conditions. Manufacturer data (Brighton-Best). Below are the standard values for the three most common metric classes: Metric Recommended Bolt Torque The maximum recommended torques given in the table below assume that the threads have been lightly oiled. In the List metric bolt torque chart you find the metric torque unit in Nm and ft lbs. If lubrication is to be applied to the nut/bolt,multiply the recommended torque by the appropriate factor shown in the table on page 7. Use of its content by anyone is the sole responsibility of that person and they assume all risk. Threads Thread data - metric, unified, ACME and others. Bolt torque depends on: Bolt size, type and grade Lubrication (a low friction factor must be considered with MoS2-based grease) The given bolt torques are based on the 90% of the bolt yield strength Torque-Tension Relationship ISO 898-1 Property Class 4. Find torque specs, avoid mistakes, and ensure reliable MRO performance. xls Torque Specifications for M5 x 0. Bolt Torque Chart showing suggested torque values and corresponding bolt clamping forces for various sizes and specifications of fasteners. Accompanying notes explain that the torque values can only be achieved if the nut or tapped hole strength exceeds the minimum Torque Values for A2 or A4 Metric Stainless Steel Fasteners Suggested Maximum Torquing Values - a guide based upon actual lab testing on dry or near dry fasteners wiped clean. If it is over-torqued, the bolt or nut could break or crack. 9 M8 x 1,00 Nm 29 43 50 ft lbs 21 32 37 M9 x 1,00 Nm 43 63 73 ft lbs 32 46 54 M10 x 1,00 Nm 60 88 103 ft lbs 44 65 76 M10 x 1,25 Nm 57 83 98 ft lbs 42 61 The torque values can only be achieved if nut (or tapped hole) has a proof load greater than or equal to the bolt's minimum ultimate tensile strength. 9) and sizes. Below are the standard values for the three most common metric classes: Jun 30, 2025 · Explore our bolt torque chart for metric bolts. Set a click-type torque wrench to the mid-point torque value for the fastener being checked. up through M10, and foot-pounds for M12 and over. Bolt Diameter 1/4" 5/16" 3/8" 7/16" 1/2" 9/16" 5/8" 3/4" 7/8" 1" 1-1/8" 1-1/4" 1-3/8" 1-1/2" Metric Bolts 5 mm Torque-Tension Relationship for Metric Fasteners in this chart is advisory only, and its use by anyone is voluntary. 9 Metric Course Thread Caution: All material included in this chart is advisory only, and its use by anyone is voluntary. Steel fasteners - Pre-load and tightening torques - fine metric threads. Discover essential torque specifications with our comprehensive Bolt Torque Chart. These charts are used in engineering, construction, automotive, and other industries where proper fastener tightening is critical for safety and performance. Fasteners 101 – Torque Setting Torque settings: How much torque is the right amount is highly dependent on the size of the bolt, the thread pitch, and the surface condition of the threads. The shaft Inch-Button Head Metric-Button Head NOTE: This specification is for Holo-Krome® alloy steel fasteners with thermal black finish and light oil. The lubricated values were calculated at 90% of the dry condition test results. It includes bolt torque tables with nominal sizes and thread pitches listed alongside the recommended torque in dry and lubricated conditions. What Is the Bolt Torque? A bolt is a fastener that consists of a shaft and a head. 9 bolts for both wet and dry tightening. The bolt’s class indicates its material strength, with higher numbers meaning higher tensile and yield strength. In this article, we’ll share the metric and imperial bolt torque chart with you, and also introduce torque measurement, calculation, and the differences between torque and tension. Below are the standard values for the three most common metric classes: Torque Specifications for M7 x 1 The recommended tightening torque for an M7 x 1 bolt varies by property class and lubrication condition. tightening torque for metric coarse mild steel & high tensile bolts This document provides a metric bolt torque table listing recommended torque specifications in Newton meters (Nm) for dry and lubricated bolts of various nominal sizes from M5 to M36. Mechanics The relationships between forces, acceleration, displacement, vectors, motion, momentum, energy of objects and more. Torque, measured in units like Newton-meters (Nm) or foot-pounds (ft-lbs), refers to the turning force applied to a bolt or fastener during tightening. Remember, you may need to vary these numbers somewhat based on the individual joint or the amount of fastener lubrication. This guide helps mechanics, engineers, and DIY users quickly identify the right tool for different bolt sizes in millimeters. We would like to show you a description here but the site won’t allow us. See Table. Extreme caution should be used when using a formula for torque/tension relationships. Metric Bolt Torque Chart US Recommended Bolt Torque Print this page In Brief: Metric Bolt Torque Chart – Class 8. 9, assuming dry (unlubricated) conditions and a friction coefficient of ~0. com/locations/los-angeles-metal#1 Torque Specifications for M24 x 3 The recommended tightening torque for an M24 x 3 bolt varies by property class and lubrication condition. Doing a bolt up to a specific torque should set the tension in the bolt to appeoximately 85% of the prrof load given in the table. In developing this info The torque values can only be achieved if nut (or tapped hole) has a proof load greater than or equal to the bolt's minimum ultimate tensile strength. Shiny hex heads, pro visuals, and a slick metric/imperial toggle to flip Want to learn more about the proper lug nut torque settings for your vehicle? Check out our wheel torque chart! Why is the outside diameter of lug nuts important? When it comes to installing or replacing your lug nuts, you might find yourself wondering: why is the outside diameter of a lug nut important? Park the vehicle on a level surface and apply the parking brakes. . Bolt torquing chart metric standard grade of bolt 5d 8g 10k 12k minimum tensile strength 71,160 psi 113,800 psi 142,200 psi 170,679 psi size of socket or wrench. The chart provides guidance on the amount of torque required to achieve a Jan 8, 1993 · Eurocode 3 Table of design properties for metric hexagonal bolts M5 to M39 (stress area, shear strength, tensile strength, bearing strength) Description: Design aid - Table of design properties for individual metric hexagonal bolts including stress area, yield strength, ultimate strength, shear resistance, tensile resistance, interaction between shear and tension, bearing resistance, punching Screw and Wrench Size Chart | Bolt Size vs Spanner Size Guide (MM) Learn the correct matching between screw (bolt) sizes and wrench (spanner) sizes with this easy-to-understand chart. This chart displays values for lightly oiled threads. Below are the standard values for the three most common metric classes: Sep 26, 2025 · Discover how to use a bolt torque chart to tighten fasteners safely. The chart provides guidance on the amount of torque required to achieve a 1 day ago · Calculate precise bolt torque values for any fastener size and material. Pitch Bolts and Screws Bolt Tension Corresponding to 65% of Proof Load Recommended Assembly Torque Diameter Pitch (mm) Surface Condition Torque Adjustment Factors A metric bolt torque chart is a reference guide that specifies the appropriate torque value needed to tighten a metric bolt to its optimal clamping force. Determining the correct torque can however present problems. or U-bolt torque specifications. Complete bolt torque chart with ISO 898 grade explanations, preload calculations, and practical examples. Tighten in a diagonal pattern as shown in Fig. pdf) or read online for free. It lists the minimum tensile strength for bolt material classes 8. Torque Specifications for M22 x 2. 9 These metric bolt torque charts show the ideal tightening torque for class 8. 9 & 12. Torque values for various grades and diameters of fasteners. Free bolt torque chart with specs for SAE Grade 2, 5, 8 and Metric Class 8. This EZ to read bolt torque chart has common Din Grade Metric hex bolts. It typically lists the torque value (measured in Newton-meters, Nm) required for different bolt sizes (diameter and thread pitch), materials (e. 75 The recommended tightening torque for an M12 x 1. A formula is presented for calculating an initial target torque based on these factors. 9, 12. This table is offered as the Grade B7 Studs Torque Chart At 100% Of Yield Strength Grade B7 Studs Torque Chart At 70% of Yield Strength How Do I Calculate Torque For ASTM A193 B7 Bolts? The following table shows the tightening torque for metric thread fasteners. 9 and 12. Download PDF. 75 bolt varies by property class and lubrication condition. Torques for standard metric and imperial bolts All manufacturers use standard bolt torques for general specifications, and list exceptions to them for bolts requiring special attention or torques, e. Dry and lubricated values, coarse and fine thread. Torque Specifications for M16 x 2 The recommended tightening torque for an M16 x 2 bolt varies by property class and lubrication condition. Values listed in N-m; in-lbs. Chock the tires. Learn about screw types, thread sizes, and lengths to ensure accurate hardware selection. Bolts should be lubricated on all contact areas using a standard machine oil, as lubricated bolts require less torque than dry bolts. A BOLT OR SCREW ASSEMBLED WITH A NUT OF THE APPROPRIATE CLASS IS INTENDED TO PROVIDE AN ASSEMBLY CAPABLE OF BEING TIGHTENED TO THE BOLT PROOF LOAD WITHOUT THREAD STRIPPING OCCURING. , steel, stainless steel, aluminum), and sometimes even the grade of the bolt. Choose from our selection of bolts, including hex head screws, socket head screws, and more. Jan 22, 2026 · This article provides the information for choosing the correct bolt tightening torque for standard bolt sizes with Chart + Calculator. 9 12. Check the U-bolt torque. Torque Settings Suggested Starting Values The below estimated torque calculations are only offered as a guide. Guidance for lubrication, finish, and usage. Jun 12, 2025 · How much torque is required for a bolt? To save time for calculation and variation, a torque value table is useful. 8 bolt varies by property class and lubrication condition. Metric Bolt Torque Chart Metric Bolt Torque Chart is an essential reference tool used by engineers, mechanics, and DIY enthusiasts to ensure that bolts and fasteners are tightened to the correct specifications. com Address: Mumbai (400004), India TABLE OF CONTENTS Maximum tightening torques for coarse threaded metric bolts. jwhva bkom aadgt padev qbez hhci iqbtrc cez vznbwws cnv