3Pcs Hss Steel Titanium Step Drill Bits Cone Cutting Set Wood Iron Metal Drilling
Material: HSS
1/4'' Hex Shank
4-12mm: 4/5/6/7/8/9/10/11/12 MM
4-20mm: 4/6/8/10/12/14/16/18/20 MM
4-32mm: 4/6/8/10/12/14/16/18/20/22/24/26/28/30/32 MM
Package Includes: 3 x Step dril
- Automatically Deburrs Holes As You Drill
- Two-Flute Design Gives You Faster And Smoother Cutting
- Titanium Nitride Coating For Cooler Running
- Quick-Change 1/4'' Hex Shank
- High Speed Steel For Long Life
- These Step Drill Bits Are Ideal For Variety Of Materials From Metal, Plastic, Fiberglass To Wood
- They Also Help To Enlarge Existing Holes
- The Two Flute Design Tips Can Make The Penetration Faster Without Chipping
Malaysia
