EX-SUS-GDR twist drill bit

• Large chip spaces, high toughness
• Reduced heat build-up
• Shank design: straight
• From Ø 12.1 with driving plane in accordance with DIN 1835B
• S°= point angle: = Ø 4 mm = 130°, > Ø 4 mm = 120°
• Centring geometry: up to Ø 13 mm S version, from Ø 13.5 mm N version
• Available on request: Intermediate dimensions from Ø 2 to Ø 6 mm (in 0.01 mm increments)

EX-SUS-GDR twist drill bit

• Large chip spaces, high toughness
• Reduced heat build-up
• Shank design: straight
• From Ø 12.1 with driving plane in accordance with DIN 1835B
• S°= point angle: ≤ Ø 4 mm = 130°, > Ø 4 mm = 120°
• Centring geometry: up to Ø 13 mm S version, from Ø 13.5 mm N version
• Available on request: Intermediate dimensions from Ø 2 to Ø 6 mm (in 0.01 mm increments)