Step drill cutting specification
 
No.1. 4-12mm Hole Sizes in 2 mm Steps
No.2. 4-20mm Hole Sizes in 2 mm Steps
No.3. 4-32mm Hole Sizes in 2 mm Steps
 
Shank sizes
 
No.1. 6mm
No.2. 8mm
No.3. 10mm
 
Specification
 
• Two Fluted Cutting Edges for Faster Smoother Cuts

• Made of High Grade High Speed Steel 4241

• Heat Treated and Highly Polished

• HSS Steel 4241

• Drills Perfectly Round Holes in Steel, Brass, Plastic, Wood etc.

• Titanium Coated to Reduce Friction and Heat

• Storage pouch included

• A professional quality tool

• Aircraft technician quality tool