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Twist Drills

For Steel Drilling Solid Carbide Twist Drill Bits

Brand Name: ZLY TOOLS
Material: Tungsten Carbide
Type: Twist Drill Bit
Helix angle: right hand spiral 30degree
Point angle: 135°
Cutting Length: 3D/5D/8D
Coating: TiAlN
Workpiece material: For steel include Carbon Steel, Mould Steel, Tool Steel, Stainless Steel
Coolant supply:external and internal available as well as high perforance series
Product feature:
1 Optimised point geometry compatible for various steel materials drilling;
2 balanced hardness and toughness of carbide material giving consideration to both processing efficiency and safety
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