Bordo Metric White Band HSS-Co TiAlN Coated Twist Drills for Cast Iron.
DIN338
118° / 70° DX point with two helical flutes with 33 degrees of helix angle.
A highly abrasive material with damping and thermal conductivity, high strength and resistance to wear. Cast Iron is used extensively for mass produced components.
The White Band Series is designed for this specific purpose. TiAlN coating increases tool surface hardness to 87Rc.
For machining materials with Hardness < 300 HB : Tensile Strength <10900 N/mm2.
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Bordo Metric Green Band HSS-Co TiN Coated Twist Drills for Carbon Steel.
DIN338
130° split point with two helical flutes with 33 degrees of helix angle.
The machinability of different carbon steels is as varied as their properties. Soft-tough construction steels place a unique set of demands on the tools.
The Green Band Series of drills and taps have been developed specifically for this range of steels.
For machining materials with Hardness < 250 HB : Tensile Strength <900 N/mm2.
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Bordo Metric Blue Band HSS-Co TiAlN Coated Twist Drills for Stainless Steel.
DIN338
Multi-faceted point with two helical flutes with 35 degrees of helix angle.
The machining of stainless steels is difficult due to its work hardening properties, toughness and poor thermal conductivity, which places high demands on the cutting tools.
The Blue Band – Stainless Steel – Series has been specifically designed to suit these difficult machining requirements.
TiAlN coating increases tool surface hardness to 87Rc.
For machining materials with Hardness < 350 HB : Tensile Strength <1250 N/mm2.
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This product has multiple variants. The options may be chosen on the product page