HRC 55 Tungsten Carbide Twist Drill Bits
Coating:TiAIN
Used:stainless steel,cooper,cast iron,mould steel,etc.
-HRC55 Carbide 2 flutes Twist Drills,CB carbide material,ALTIN coating,can resist the high temperature of 700-800 d egree.
Features:
1.These long-lasting bits are made from high quality tungsten steel for a precise,easy experience
2.These carbide drill design for CNC/PCB Milling Machine,and diminished drill flux. Mainly applies to
copper, aluminum,fiberglass,carbon,circuit board,wood and most plastic including acrylic
3.Specifically designed for trace isolation patterns cutting on circuit boards,these PCB drill will give a
clean burr free cut
4.Please note,These bits are Very Sharp and never used and Each Piece has Been Cleaned
5.Constructed of Industrial Grade Solid Tungsten Carbide
6.Tungsten steel blade,welded iron body
7.Cutting edge symmetry, is conducive to the efficient cutting, avoid drilling offset
Specification:
Size: from 4.0mm to 12mm
Shank Diameter:Approx.from 4mm to 12mm
Overall Length:Approx.from 50mm to 100mm
Package:1pc/plastic box
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