“KINCROME 4-12mm Spiral Step Drill – 1/4″ Hex” has been added to your cart. View cart
KINCROME 24 Piece HSS Drill Bit Set – Metric
Contents
Sizes: 1.0, 1.5, 2.0, 2.5 (2), 3.0 (2), 3.5 (2), 4.0 (2), 4.5, 5.0 (2), 5.5, 6.0, 6.5, 7.0, 7.5, 8.0, 8.5, 9.0, 9.5, 10.0mm
SKU: K21845
Categories: Jobber, Metal Drilling
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Cobalt HSS-Co5
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- ANSI B94-11
- 135° Split Point (crankshaft point).
- Split point is self centering and the short distance from the drill axis to the outer corners results in faster penetration, reducing the need for end thrust.
- The 135° point should be used to cut harder steel materials especially in deep hole applications.
- In these situations it will produce thicker chips minimising work hardening of the cavity.
- Faster penetration reduces abrasion and friction along the cutting edges.
- Cobalt HSS Twist drills are extremely hard and provide superior performance and increased tool life especially in stainless steel and high tensile steel.
- Bronze Finish (gold oxide) surface treatment. The metallic brown coloured low temperature temper treatment is normally only used on cobalt tools for identification purposes.
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