Drill America
#4 HSS Step Drill Bit (3/16" - 7/8" by 1/16") - VAC4
Step drills have single radial concave flutes to create a perfectly round hole in metal, plastic wood and other thin materials without center punching. Constructed of industrial grade high-speed molybdenum steel, heat-treated and temperature for long life. Self-starting tip. No center punching needed. Automatically deburrs top side of hole. Ideal for steel, copper, aluminum and other thin materials. They are Black and gold surface treated.
Features
Prop 65
| Number of Flutes | 2 |
|---|---|
| Point Angle | 135 |
| Country of Origin | China |
| Overall Length | 3" |
| Shank Type | Round |
| Finish | Black and Gold |
| Point | Split Point |
| Shank Size | 3/8" |
| Material | High Speed Steel |
| Size | #4 |