Product Information
- Material: HSS Surface Treatment: Titanium Plating
- Length of 4-12 mm drill: about 6.7cm ; 2.64inch / Length of 4-20mm drill: about 7.4cm ; 2.91inch / Length of 4-32mm drill: about 10.2cm ; 4.02inch
- step drilling cutting specifications: 4-12mm sizes of drilling in 2mm steps (5 steps) 4-20mm sizes of drilling in 2mm steps (9 steps) 4-32mm sizes of drilling in 2mm steps (15 steps)