black hex lag screws
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Hex Lag Screw
The hexagon head tapping screws have high anti-loose ability in combination and can be loaded and unloaded. In the small screw, its size, thread type, head type, tapping performance, high tensile force for engineering purposes, single piece, single side combination features are limitless. Hexagon head self-tapping material can be divided into carbon steel and stainless steel, among which carbon steel material is mainly C1018 medium carbon steel. The hex head self-tapping screws have a dense thread on the periphery, which not only helps to prevent slack, but also can be loaded and unloaded.
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