29 Pc Cobalt M42 Drill Bit Index Set

These bits are made from Cobalt M42 Steel which has a melting point of 2,853 degrees Fahrenheit! These bits will drill through the toughest steel like truck frames, stainless steel, farm implements, spring steel, grade 8 bolts, and more!

29 Pc Cobalt M42 Drill Bit Index Set Specifications:

• Premium Solid Cobalt M42 Super High-Speed Steel
• Sized in 1/64th Increments (Does not Skip any Sizes)
• High Heat Treated Hardness 68-70 HRC (Rockwell Hardness Scale)
• 135 Degree Split Point Prevents "Walking"
• Tri-Flat Shank Prevents "Spinning" in Chuck
• Includes Metal Case with (3) Pop up Tiers

Includes:
29 Fractional Sizes from 1/16" to 1/2" (by 1/64ths)

Sizes:
1/16", 5/64", 3/32", 7/64", 1/8", 9/64", 5/32", 11/64", 3/16", 13/64", 7/32", 15/64", 1/4", 17/64",
9/32", 19/64", 5/16", 21/64", 11/32", 23/64", 3/8", 25/64", 13/32", 27/64", 7/16", 29/64", 15/32", 31/64", 1/2"