9Pcs/Set 3/3.5/4/4.5/5/5.5/6/6.5/7mm Micro Twist Drill Bit Straight Round Shank Extension HSS Titanium Coated Bits Tool | Инструменты

9Pcs/Set 3/3.5/4/4.5/5/5.5/6/6.5/7mm Micro Twist Drill Bit Straight Round Shank Extension HSS Titanium Coated Drill Bits Too

Features:

Made of high quality high speed steel, good toughness, wear resistance, good drilling ability. Suitable for high speed machining, especially suitable for processing titanium aluminum parts, die steel, steel, iron, spring iron and other metal materials. High surface hardness, can improve machining precision & surface quality, reduce the friction with the workpiece, improve the heat resistance and wear resistance, which improves the processing speed.
Specifications:

Material: HSS Item color: gold tone surface treatment: Titanium Coated Shank type: straight round shank Shank diameter     Full length

001        3mm                 60mm

002       3.5mm               70mm

003       4mm                 75mm

004       4.5mm               80mm

005       5.0mm               85mm

006       5.5mm               91mm

007       6mm                  93mm

008       6.5mm               98mm

009       7mm                 108mm

Package Included:

9Pcs/Set HSS Straight Shank Extension Titanium Coated Twist Drill Bit