Dimension:
3mm(Dia) x 60mm(L)
4mm (Dia)x 75mm(L)
5mm(Dia) x 85mm(L)
6mm (Dia)x 93mm(L)
7mm(Dia) x 10mm(L)
8mm (Dia)x 11mm(L)
10mm(Dia) x 12mm(L)
Caution: When you use this drill bits, the material temperature will get very high, please add some water or coolant to avoid the material get smoke when using it.
Package Included:
7 x Woodworking chamfer
1 x L-wrench
Material: HSS Drill 4241
Black chamfer drill body material: steel #45
Heat treated & tempered high-carbon steel with Titanium Nitrate coating for superior cutting power
Use on steel, aluminum & other metals, plastic or wood
Enlarge or countersink holes, deburr edges; 15-degree chamfer