Product Description
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.

Brand Drill America
Part Number STE4
Size #4
Material High Speed Steel
Finish Black and Gold
Length 3″
Point Split Point
Point Angle 135
Number of Flutes 2
Shank Size 3/8″
Shank Type Round