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The below charts show all the possible thread size combinations of diameters/pitch as defined in ISO-261. MC – Metric Coarse Thread Series. MF – Metric Fine Thread Series. Click to get the Full Thread Data-Sheet for a specific combination.
Properties shown are those of coarse 8‐thread heavy hex nuts. Hardnesses are Brinell Hardness numbers. The nut manufacturer, at his option, may add other markings to indicate the use of atmospheric‐corrosion‐resistant steel.
The Ulitmate Unified Inch Screw Thread Resource: Basic Dimensions, Classes, Tolerances, Formulas, Charts, and Explanations.
Get a quick reference PDF for bolt grades chart and strengths. Find out bolt grades, proof loads, and tensile strengths with ease.
This chart helps to identify the grades of bolts using the identification marks on the bolt's head along with the strength and hardness of common grade bolts. Please note the bolt heads may also include the manufacturer's identification stamp, especially with high strength bolts.
12748 East Florence Ave. Santa Fe Springs, CA 90670 • Tel: (562) 944-9549 • Fax: (562) 944-9360 Visit our website at www.pacificcoastbolt.com. — 10 —. ASTM & SAE Grade Markings for Steel Bolts and Screws.
Grade 7L. Compatible denotes commercially available nut having suitable mechanical properties and dimensional configuration or style which will make it possible to obtain the desired bolt load. Higher strength nuts or nuts of equal strength may be a suitable substitute provided bolt standard allows.
• Stamping of F1554 and A307 Grade C bolts is a supplemental requirement while color coding is required. • Although markings are shown on hex heads, grade markings apply equally to products with other head configurations. • All Grade BD products shall be marked “BD”. In addition to the “BD” marking, the product may be
Tensile Strength: The maximum load in tension (pulling apart) which a material can withstand before breaking or fracturing. Yield strength: The maximum load at which a material exhibits a specific permanent deformation. Proof load: An axial tensile load which the product must withstand without evidence of any permanent set.
A-2 & A-4 Stainless. Tensile Strength: The maximum load in tension (pulling apart) which a material can withstand before breaking or fracturing. Yield Strength: The maximum load at which a material exhibits a specific permanent deformation.