A&M Instruments Industrial Diamond 5/16" Twist Drill - 516twistdrillSold individually for $25. 00 each. A&M Instruments Product Code: 516twistdrill Grit: 120 Coarse Head Diameter: 0. 312" or 5 16" Overall Bur Length: 4. 5" or 4 1 2" Shank Diameter: 0. 312" or 5 16" Diamond coating extends 0. 50" or 1 2" from the tip. Note: Always wear proper eye protection and gloves when using any cutting or grinding tool. All diamond tools last longer if a lubricant or coolant is used during cutting or grinding.

Coarse 806 314 233 534 015

65 each/100

A&M Instruments Product Code: 4018-0078

Head Length: 16

A&M Instruments Product Code: B0

Coarse 6847-017

Medium 806 314 234 524 014

Medium 857SE-014

Sold individually for $44

A&M Instruments Product Code: 4814-0093SP

Manufactured for medium speed rotary carving tools (up to 55

A&M Instruments Product Code: 4188-0062