Product size. M3 M4 M5 M6 M8 M10 M12 M14 M16 M18 M20 M24 M27 M30 M36. M36 (Safety bearing 5100kg). Product material. A2 stainless steel. The thread is deep and even. 304 stainless steel material, high hardness factor, polished smooth screw teeth sharp, not easy to slip the wire.
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