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0 12 55 102 118° -0
-Sometimes Back chamfering needs to reduce parameters
3 D4 5 50 4T 2R0
Left-hand rotation with external coolant delivery ensures mirror-finish H7 bores with zero built-up edge
Innovative Design: The 3D cutting edge allows for smoother penetration into materials
BB 200mm Length Coated Carbide Drill Machine Metal Hole Making Tool for Steel Stainless Steel(4.0~20.0mm) Hole Diameter:10.0 0 12 55 102 118°BB 200mm Length Carbide Drill Designed for Deep Hole Machining: Powerful Cutting Performance, Durable and Rigid. BB2055 Series: TiSiN Coating, Suitable for Mild Steel Material Hardness: HRC < 40 Point Angle: 120 BB2055 TiSiN HRC < 40 120 Brand Name(): BB Origin(): Mainland China() is_customized(): YES Model Number(): BB2055 DIY Supplies(DIY): Metalworking Type(): Twist Drill Bit() Use(): Metal Drilling() Dia. of Cut: 4. 0mm 20. 0mm Precision Measured,
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