China Allen Cap Bolt, China Allen Cap Bolt Manufacturers ...
Carbon Steel DIN 912 Hexagon Socket Head Cap hex allen key bolt. ... DIN912 Black screw allen hex socket cap head bolt 12.9 grade m2 m3 m5 m6. ... M2 M4 M6 M8 M10 12.9 High Strength Carbon Steel Hexagon Socket Cap Head Bolt Allen Bolt DIN912. Xiamen Huiyuxing Import & Export Co., Ltd.
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