Specifications:
Material: HSS 4241.
Surface treatment: Titanium-coated.
Total Length: 6.3mm/ 8.3mm /10.4mm / 12.4mm / 16.5mm / 20.5mm
SIZE: Head Diameter *Shank Diameter * Length
6.3MM: 6.3mm * 5mm * 45mm
8.3MM: 8.3mm * 6mm * 50mm
10.4MM: 10.4mm * 6mm * 50mm
12.4MM: 12.4mm * 8mm * 52mm
16.5MM: 16.5mm * 10mm * 60mm
20.5MM: 20.5mm * 10mm * 65mm

Package Included:
1x 6pc Three edge chamfering drill
1x Plastic Box

• Material: HSS4241
• Shank: round handle
• Sizes: 6.3mm, 8.3mm, 10.4mm, 12.4mm, 16.5mm, 20.5mm.
• Titanium nitride coated bits last longer than regular steel countersink bits
• The best alternative to traditional bore chamfer.

Material: HSS4241QST EXPRESS