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Understanding Fastener Grades and Classes - Fastener Mart

The highest metric class for strength, it exceeds Grade 8. Because there are so many different grades and fasteners all look about the same, medium carbon and alloy steel strength grades are marked for identification. Bolts and screws also bear a mark to identify the manufacturer.

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Metric Bolt Grade Markings and Steel Strength Chart

7 rows · Nov 05, 2019 · Metric Bolt ClassMechanical PropertiesProof Load (MPa) Min Yield (MPa)

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Metric Bolt Grades and Strength Calculator

Some notes from ISO 898 metric screw threads standards- Standard specifies the mechanical properties of bolts, screws and studs made of carbon steel and alloy steel when tested at an ambient temperature range of 10 °C to 35 °C. Fasteners conforming to the requirements of ISO 898 are used in applications ranging from −50 °C to +150 °C.

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Imperial & Metric Fastener Charts

imperial grades ibf/in2 (psi) metric classes mpa (n/mm2) l9 -- 180,000 psi -- high tensileclass 12.9 -- 1,200 mpa -- high tensilesae grade 8 -- 150,000 psi -- high tensileclass 10.9 -- 1,034 mpa-- high tensilesae grade 5 -- 120,000 psi -- high tensileclass 8.8 -- 827 mpa-- high tensilestainless class 80 (304--316) -- 116,000 psi

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Bolt Depot - Bolt Grade Markings and Strength Chart

19 rows · US BoltsHead Marking Grade and Material Nominal Size Range (inches) Mechanical

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Metric Bolts Grades - AALL AMERICAN Fasteners

Metric Bolt Classes KeywordsMetric Bolt Grades; Metric Bolt Classes; Bolt Grade Markings and strength chart; Metric bolt tensile strength; Metric Bolt Identification; Bolt class 4.6; Bolt class 5.8; Bolt class 8.8; Bolt class 10.9; Bolt class 12.9; Common Metric Steel Bolts; Identification Mark; Material; Tensile Strength Minimum; Yield

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Metric Bolt Grades and Strength Calculator

Metric bolt grades and strength calculator to show proof strength, tensile strength, Vickers / Brinell hardness, minimum breaking torque and stress area of metric bolts and screws made of carbon steel and alloy steel with designations 4.6, 4.8, 5.8, 8.8, 9.8, 10.9 and 12.9.

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Common Automotive Fasteners Guide - NAPA Know How Blog

There are three common grades for SAE (fractional) and four common grades for metric fasteners. These are 2, 5, and 8 for SAE, and 5.8, 8.8, 10.9, and 12.9 for metric. Each has specific strengths. SAE Grade 2, Metric 5.8 . These bolts are the common shiny silver zinc bolts

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Determining Bolt Grades and Understanding Head Markings

The Nut and Bolt Solution Series. Identifying bolt grades and head markings for US grades 2, 5 and 8. Metric grades 8.8.,10.9 and 12.9 (socket products). This text will be replaced.

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Metric System & Specifications - Fastenal

stainless bolts), metric bolts will have a metric property class designation stamped on the head. This property class designation conveys most of the relevant necessary information about the fastener due to the design of the metric marking system. The first two characters in the marking indicate the steel grade.

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Fastener Grade, Material, Strength Comparison

This may cause these fasteners to fail at relatively low loads even if stress relief annealing (baking) is performed after plating. Examples of hardened fasteners are steel bolts - US Grade 8 (Metric property class 10.9), hardened steel washers, spring washers, etc.

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Grade Markings for Metric Fasteners Fuller Fasteners

Identification with the manufacturer’s mark and the property class is mandatory for hexagon screws 3.6 to 12.9 and socket head cap screws 8.8 to 12.9 with thread diameter d> 5mm, where the shape of the screw always allows it – preferably on the head.

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Understanding Metric Fasteners - Fastener Mart

Some metric fasteners are available in different strength grades, which is referred to as "property class" or just "class." See Understanding Fastener Grades and Classes for a comparison between metric and inch series strength grades.

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Fastener Grade, Material, Strength Comparison

This may cause these fasteners to fail at relatively low loads even if stress relief annealing (baking) is performed after plating. Examples of hardened fasteners are steel bolts - US Grade 8 (Metric property class 10.9), hardened steel washers, spring washers, etc.

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Class 12.9 Industrial Fasteners - Nuts and Bolts

Cylindrical Socket Head Cap Screw, Steel Class 12.9, Hex Socket, Plain, Metric Extra Fine

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Metric - Fasteners - Hardware - The Home Depot

Get free 2-day shipping on qualified Metric, Fasteners products or buy Hardware department products today with Buy Online Pick Up in Store. Metric - Fasteners - Hardware - The Home Depot Store Finder

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Metric BoltMaster Distributor Of Metric Fasteners DFAR

Why Choose US for Metric Nuts and Bolts. As a master distributor of Metric fasteners we take pride in providing metric nuts and bolts for clients with convenient access to the highest quality metric fasteners for aerospace, military, scientific as well as industrial grade fasteners, including DFAR compliant metric nuts and bolts.

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Strength of SAE vs. Metric bolts? - Practical Machinist

Jul 27, 2015 · I'm familiar with selecting the "right" bolt for the application. I often recommend grade 5 when someone asks me about using a grade 8 bolt. I didn't know there was a grade 8+. Yes, the question was why do the metric ratings go higher on the chart.

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Hex Bolts Grade 8.8, Metric Bolts, Metric Hardware & Fasteners

Bel-Metric sells metric bolts. We carry grade 8.8 hex bolts from 3mm to 30mm. View our selection of coarse, fine & extra fine hex bolts on our website.

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