Tool Crib Depot

Dia. (in.)	Structual Steel Carbon Steel		Alloy Steel Pre-Hardened Steel		Die Steel Stainless Steel		Cast Iron		Aluminum Alloy Copper Alloy
Dia. (in.)	RPM	Feed Inch/Min	RPM	Feed Inch/Min	RPM	Feed Inch/Min	RPM	Feed Inch/Min	RPM	Feed Inch/Min
3/32 1/8 5/32 3/16 1/4 5/16 3/8 1/2 3/4	5600 3550 2800 2240 1800 1400 1120 900 710	13.0 11.5 11.5 11.5 11.1 11.1 9.9 9.9 8.3	5600 3550 2800 2240 1800 1400 1120 900 710	13.0 11.5 11.5 11.5 11.1 11.1 9.9 9.9 8.3	5600 3550 2800 2240 1800 1400 1120 900 710	13.0 11.5 11.5 11.5 11.1 11.1 9.9 9.9 8.3	5600 3550 2800 2240 1800 1400 1120 900 710	13.0 11.5 11.5 11.5 11.1 11.1 9.9 9.9 8.3	5600 3550 2800 2240 1800 1400 1120 900 710	13.0 11.5 11.5 11.5 11.1 11.1 9.9 9.9 8.3

For SG-ESS Drills, Feed Rate is 20% Higher (x 1.2)

Tool Crib Depot
5201 Seminole Blvd. #4 • St. Petersburg, FL 33708 • Phone: 800-391-2249 • Fax: 888-391-9133