Irwin 81157ZR High Speed Steel Wire Gauge Drill Bit, #57

Highlights:

• Size: No. 57
• Twist Length: 3/4
• Overall Length: 1-3/4
• Used where more precisely sized holes are required
• Drills exact hole size; ideal for tapping
• Bit is constructed of M-2 high speed steel for the best combination of strength. heat resistance. and wear resistance
• Standard 118 degree point for use in wood. metal. and plastic
• Carded.