水钻机膨胀螺丝粗牙三片

3‑Piece Coarse‑Thread Expansion Screw for Diamond Core Drill Machine

坚固耐用，不易滑丝

优质弹簧钢，可重复使用

Category: Diamond Core Drill Bits & Small Water Pump Series

货号	Specifications	Carton Packed
S60#	160mm	200 支 / 箱

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