Home  >  Metal Cutting  >  Twist Drills / Drill Bits  >  Silver & Deming Drills - 1/2 In Shank  > Cobalt Silver & Deming Drills

Cobalt Silver & Deming Drills

Heavy Duty
Item #: 712CO 
  • Premium Grade Cobalt Steel Provides High Red Hardness For Extreme Heat Resistance And Long Tool Life When Drilling Tough Materials
  • Ideal For Drilling Stainless Steel, Titanium, And Other Tough Alloys
  • Self-Centering 118° Split Point Prevents Drill From Walking On Work Piece
  • For Use In Portable Power Drill Or Drill Press
See All Sizes
Twist Drill Types Twist Drill Operating Guidelines Twist Drill Decimal Equivalency Chart

⚠ Warning: Cancer & Reproductive Harm. See P65warnings.ca.gov for more info.
Cutting tools may shatter. Always wear appropriate safety equipment.
SKU Number Size Decimal Equivalent Flute Length (IN) Overall Length (IN) Price Quantity Add to Cart
712CO-17/32 17/32 0.5312 3-1/8 6
 
712CO-9/16 9/16 0.5626 3-1/8 6
 
712CO-19/32 19/32 0.5938 3-1/8 6
 
712CO-5/8 5/8 0.625 3-1/8 6
 
712CO-21/32 21/32 0.6562 3-1/8 6
 
712CO-11/16 11/16 0.6875 3-1/8 6
 
712CO-23/32 23/32 0.7188 3-1/8 6
 
712CO-3/4 3/4 0.75 3-1/8 6
 
712CO-25/32 25/32 0.7812 3-1/8 6
 
712CO-13/16 13/16 0.8125 3-1/8 6
 
712CO-27/32 27/32 0.8438 3-1/8 6
 
712CO-7/8 7/8 0.875 3-1/8 6
 
712CO-29/32 29/32 0.9062 3-1/8 6
 
712CO-15/16 15/16 0.9375 3-1/8 6
 
712CO-31/32 31/32 0.9688 3-1/8 6
 
712CO-1 1 1 3-1/8 6
 
712CO-1-1/16 1-1/16 1.0625 3-1/8 6
 
712CO-1-1/8 1-1/8 1.125 3-1/8 6
 
712CO-1-3/16 1-3/16 1.1875 3-1/8 6
 
712CO-1-1/4 1-1/4 1.25 3-1/8 6
 
712CO-1-5/16 1-5/16 1.3125 3-1/8 6
 
712CO-1-3/8 1-3/8 1.375 3-1/8 6
 
712CO-1-7/16 1-7/16 1.4375 3-1/8 6
 
712CO-1-1/2 1-1/2 1.5 3-1/8 6