Round head ribbed neck bolt with hole

The standard astm a193 b7 fasteners are typically available in a plain, bare metal finish. but if required by the buyer, the astm a193 grade b7 stud bolts can be zinc plated, hot-dip galvanized, xylan coated, ptfe coated. coating the astm a193 b7 fasteners aids in enhancing the corrosion resistance of the fasteners.this astm a193 grade b7m bolts are commonly used in fastening medium high ...

Flat head (metric)metric flat heads screws come standard with a 90 degree head angle. hex headcommon in bolts, hex heads allow for greater torque and are driven with the drivers force against the outside of the head, unlike most drives, which are internally driven.

Din 315 awing nuts with rectangular wings (american version) current norm: din 315 a equivalent norms: csn 021665; uni 5448;

Acme lead screws and nuts found in hand-powered clamps, vises, grates, doors, and work tables, lead screws and nuts have broad, square threads that are well suited for quick assembly, high clamping forces, and lifting and lowering heavy objects.

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