The Unibit® step drill bit features as single radial concave flute design for smooth, even cutting and virtually round holes. Ideal for drilling holes in steel, copper, brass, aluminum and other thin materials.
• Drills 6 holes: 13/16" to 1/2" in 1/16" steps
• 1/4" shank
• Self-starting
• Hardened industrial-grade high-speed steel

Manufacturer:	Vise Grip
Manufacturer P/N:	2