Tools
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Calculator
Bolt Weight Calculator
Calculate the single-piece and total weight of a hex bolt from diameter, length and material; a quick estimate for freight and stock…
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Calculator
Bolt Tightening Torque Calculator
Calculate preload force and recommended tightening torque from diameter, strength class and friction condition (T = K · F · d).
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Lookup
Certificate Lookup by Lot
Enter the lot number on the product label to instantly see the standard, class, production date and certificate type.
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Get a quote for standard and special fasteners
Send your drawing or standard and we will prepare a quote and sample plan within 24 hours.