Type KSB conical Cone 20°, twist ground inside, HSS, TiN coating, cylinder(without flat, HA), three-surface grind In metal case. TiN coating gives longer service life, higher cutting speeds and reduced edge build-ups.
Consisting of: 257710.0100: 1 pieces Progressive boring bit KSB Cylinder shaft, HSS-TiN Size 0 TIN 3.0-14.0 mm 257710.0200: 1 pieces Progressive boring bit KSB Cylinder shaft, HSS-TiN Size 1 TIN 8.0-20.0 mm 257710.0300: 1 pieces Progressive boring bit KSB Cylinder shaft, HSS-TiN Size 2 TIN 16.0-30.5 mm
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