6 PCS Shank Diameter 3mm - 7mm HSS Straight Shank Titanium Coated Twist Drill Bit Micro Mini Drilling Tools
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6 PCS Shank Diameter 3mm-7mm HSS Straight Shank Titanium Coated Twist Drill Bit Micro Mini Drilling Tools
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.
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 1
Cheap drill tools, Buy Quality drill bit directly from China twist drill bit Suppliers: 6 PCS Shank Diameter 3mm - 7mm HSS Straight Shank Titanium Coated Twist Drill Bit Micro Mini Drilling Tools
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