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High purity supreme quality automotive large head carriage bolts

Astm a193 grade b7 specification for high tensile bolts, screws, stud bolts, threaded rods, anchor bolts and other externally threaded fasteners, made from heat-treated chromium-molybdenum alloy steel grades such as 4140, 4142, 4145, 4140h, 4142h, and 4145h in sae & aisi classification. astm a193 specification covers requirements for chemical composition, mechanical properties, hardness, heat ...

A carriage bolt has a square shoulder under a rounded head which resists turning when the nut is tightened or removed. they are good for wood-to-wood connections when the head may not be accessible for tightening. they may be used in the construction of docks, swing sets and decks as well as other surfaces where a smooth finish is needed.

Hot sale furniture stainless steel 4 prongs t insert nut wood insert nut , find complete details about hot sale furniture stainless steel 4 prongs t insert nut wood insert nut,t insert nut,wood insert nut,4 prongs from nuts supplier or manufacturer-t&y hardware industry co., ltd.

Step bolts are similar to carriage bolts, but have a large-diameter head that creates a greater bearing surface. this increased surface area reduces pull through, making step bolts ideal for ...

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