Step Drills
Type 78-UB Gold Oxide, 3-flats on Shank - Blister pak
• Special Axial and Radial flute design increases work piece penetration
• Dual flute construction drills clean accurate holes in thin materials, quickly and easily
Type 78-QR, Gold Oxide - 1/4" Hex Shank
• Use for all thin metals, rigid plastics, wood or composite materials with a thickness equal to or less than the step thickness
• Split point self centers and easily starts with no pilot hole required
• Special Axial and Radial flute design increases work piece penetration
• Dual flute construction drills clean accurate holes in thin materials, quickly and easily
Type 78-QR, Gold Oxide - 1/4" Hex Shank
• Use for all thin metals, rigid plastics, wood or composite materials with a thickness equal to or less than the step thickness
• Split point self centers and easily starts with no pilot hole required