99-Piece Twist Drill Bit Set

材质：高速钢（HSS），镀钛处理，配铁盒
Material: High-Speed Steel (HSS), Titanium Coated, in Iron Box
特性：99件套：1.0-4.0mm各10支，4.5-6.5mm各5支，8.0mm及10.0mm各2支；镀钛处理，切削锋利、排屑顺畅、耐磨耐用
Feature: 99 pieces: 10 pcs each of 1.0-4.0mm, 5 pcs each of 4.5-6.5mm and 2 pcs each of 8.0mm and 10.0mm; titanium coated for sharp cutting, smooth chip removal and durability
使用场合：金属、木材、塑料等材料的钻孔
Application: Drilling of metal, wood and plastics

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Sichuan Machinery Tools Imp. & Exp. Co., Ltd.

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