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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 have a bright finish with a 1/4″ quick change hex shank.
Brand Drill America
Part Number VAC4HEX
Size #4
Material High Speed Steel
Finish Uncoated (Bright)
Length 3″
Point Split Point
Point Angle 135
Number of Flutes 2
Shank Size 1/4″
Shank Type Hex
