鎢鋼四角車牙刀片(單牙/雙牙). Pitch:0.25~3.5 mm / 80-8 TPI. 規範:M, UN, W/G, PT/RC, NPT, NPTF, PG, TR, ACME, STACME, MJ. 材質:鎢鋼. 鍍層:AlTiSiN.
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