Irwin® Silver and Deming High Speed Steel Fractional Drill Bit is made from M-7 high speed steel for high resistance to abrasion during tough drilling applications. Three-flatted shank design provides better chuck grip and reduces slippage. Ideal for use in keyless chucks. All Silver and Deming bits are 6" long and feature a 1/2" reduced shank that fits all 1/2" drills. Standard 118 degree point for use in wood, metal, and plastic.• Size: 9/16"• Twist Length: 3"• Overall Length: 6"• Constructed of M-7 high speed steel for high resistance to abrasion during tough drilling• 3 flatted shank design provides better chuck grip and reduces slippage• Ideal for use in keyless chucks• Bit is 6" long and feature 1/2" reduced shank that fits all 1/2" drills• Standard 118 degree point for use in wood, metal and plastic• Used to create large holes, heavy duty metal drilling, automotive, body shop and metal fabrication.