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Grade-B: These nuts are reusable and can withstand temperatures of up to 450°F. The conical-shaped top enables this nut to be used with an automatic feeder. The Grade-B can be used with low or medium carbon steel screws (i.e. a SAE Grade-2 or Grade-5).
Low carbon steel
PICTURES ARE REPRESENTATIVE OF ITEM, BUT ARE NOT OF THE ACTUAL ITEM. Product dimensions, finish, head markings, thread length, stamping shape or forging shape, etc., may differ from picture. Products are guaranteed to meet the specifications to which they are manufactured. Specifications allow for tolerances in dimension and shape, which can vary from lot to lot. Grade-B: These nuts are reusable and can withstand temperatures of up to 450°F. The conical-shaped top enables this nut to be used with an automatic feeder. The Grade-B can be used with low or medium carbon steel screws (i.e. a SAE Grade-2 or Grade-5). . Low carbon steel.