Drill Bit Set, 1/16"-1/2" By 1/64" Size

The ZORO SELECT - 401J97 is a screw machine drill bit set consisting of 29 high-speed steel bits with sizes ranging from 1/16 inch to 1/2 inch in fractional increments. The bits feature a split point design with a 135-degree point angle and two flutes, suitable for drilling the following materials: alloy and carbon steels, aluminum, brass, bronze, cast iron, nickel-based alloys, plastic, and wood. These straight-shank drill bits are sized for fractional inch measurements (1/16 in to 1/2 in in 64ths increments) and are supplied in a metal drill index case for organized storage. The set complies with ASME standards.

Key Features:

• Drill bit sizes from 1/16" to 1/2" by 64ths, covering 29 increments
• Made from high-speed steel
• Split point tip with a 135° angle
• Two-flute spiral design with helix angles between 21° and 34°
• Straight shank with 15/64" diameter
• Screw-machine length drill bits with black oxide finish
• Suitable for drilling materials including metals, plastics, and wood (alloy and carbon steels, aluminum, brass, bronze, cast iron, nickel-based alloys, plastic, and wood)
• Supplied in a metal drill index case for storage