Carbide Spot Drill Bit For CNC Centering And Chamfering, 90 Degree Location Guide Tool, Tungsten Steel Heavy Duty Drill Bit D12 X 100L For Precise Pilot Holes And Accurate Chamfers, 1 Piece

Premium carbide spot drill for CNC centering and chamfering
✔️ D12 x 100 mm carbide spot drill, precise pilot holes, 1 piece

Centering, spot drilling, and chamfering tool designed for CNC milling and metalwork. This carbide/tungsten steel bit delivers a 90-degree location guide and built-in chamfer capability, ideal for accurate pilot holes and clean edges on aluminum and steel parts.

✅ Diameter: 12 mm (0.47 in)
✅ Length: 100 mm (3.94 in)
✅ Material: Carbide / Tungsten Steel
✅ Angles: 60° / 90° / 120°
✅ Coatings: Uncoated (aluminum) / Nano-coated (steel)

💡 What is a center drill bit used for in CNC milling and chamfering applications?

Center drilling creates pilot holes and guides subsequent drilling or chamfering in metalworking.

- Helps start holes precisely - Guides chamfers for clean edges - Improves drill life with proper alignment