• Diameter: 5/16"

• Decimal Equivalent: .3125"

• Shank: Straight

• Flute Length: 3-1/4"

• Overall Length: 12"

• Black Oxide Treated

• 135° Split Point

• For Use In Steel, Copper, Aluminum, Brass, Oak, Maple, MDF, Pine, PVC, Polycarbonate Acrylic, ABS, Nylon And Composite Materials

• Lasts 50% Longer Than High-Speed Steel

Warning this product can expose you to chemicals including Lead, which is [are] known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.