Special bolts

Spring washers described in din 6796 standard are circular conical washers which offer resistance to compression in the axial direction. its elastic capacity is intended for offering clamping/crushing load in the displacement direction. they are not designed to withstand dynamic loads.

A common question is whether stainless steel is stronger that a grade 5 or grade 8 bolt. stainless commonly comes in grades 18.8 (304) or t316. stainless steel bolts are rated for corrosion resistance. bolt strength is rated in psi (pounds per square inch). a stainless steel bolt has the same psi rating as a grade 5 bolt (125,000 psi). a grade ...

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Round head bolts are similar to carriage bolts, but without the square neck under the head. because they are used with wood, round head bolts are rarely high strength and virtually always supplied in a standard astm a307 specification. manufacturing. portland bolt manufactures button head bolts from 1 ⁄ 2 ” through 1 1 ⁄ 4 ” diameter in ...

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