Jobber Drill Set, Parabolic, 15 PC, HSS

The ZORO SELECT - 5UDN7 is a set of 15 jobber-length drill bits made from heavy-duty high speed steel, suitable for machining applications on materials such as aluminum, cast iron, and steel. These fractional inch drill bits range in size from 1/16 inch to 1/2 inch and feature a split point tip (135-degree point angle) to aid in precise drilling. The set includes a metal index case for storage and size organization. Have a straight shank and right-hand spiral flutes for drilling operations across a range of common diameters.

Key Features:

• Drill bit sizes included: 1/16", 3/32", 1/8", 5/32", 3/16", 7/32", 1/4", 9/32", 5/16", 11/32", 3/8", 13/32", 7/16", 15/32", 1/2"
• Overall lengths vary from 1 7/8" to 6" depending on bit size
• Two-flute spiral design with right-hand helix direction
• Split point tip with a 135-degree point angle for reduced walking
• Constructed from high speed steel (HSS)
• Jobber length class (overall length varies by bit size)
• Fractional inch measurement system
• Comes with a metal drill index for storage and size organization
• Shank diameter: 1/6 inch; straight shank type
• Not rated for aircraft use