13 Piece Drill Bit Set contains sizes 1/16 - 1/4". COHEX Quick Change Drill Bits are designed for use in hand held and impact drills. Cobalt drill bits are are effective in drilling tough high tensile strength materials.

15 Piece Drill Bit Set contains sizes 1/16 - 1/2". COHEX Quick Change Drill Bits are designed for use in hand held and impact drills. Cobalt drill bits are are effective in drilling tough high tensile strength materials.

29 Piece Drill Bit Set contains sizes 1/16 - 1/2" by 1/64". COHEX Quick Change Drill Bits are designed for use in hand held and impact drills.

Sizes: 1/16" - 1/2" A - Z and #1-#60. Cobalt drill bits are are effective in drilling tough, high tensile strength materials.

Sizes: 1/16" - 1/4" by 1/64. Cobalt drill bits are are effective in drilling tough, high tensile strength materials.

15 Piece D/a Cobalt Drill Set in Bit Cooler Case (1/16 - 1/2 X 32ths)

Sizes: 1/16" - 1/2" by 1/32. Cobalt drill bits are are effective in drilling tough, high tensile strength materials.

Sizes: #61 - #80. Cobalt drill bits are are effective in drilling tough, high tensile strength materials. Display high red hardness, permitting speeds up to 30% greater than with conventional M2 high speed steel.

Sizes: 1/16" - 3/8" by 1/64. Cobalt drill bits are are effective in drilling tough, high tensile strength materials.

Sizes: A - Z. Cobalt drill bits are are effective in drilling tough, high tensile strength materials. Display high red hardness, permitting speeds up to 30% greater than with conventional M2 high speed steel.

Sizes: 1/16" - 1/2" by 1/64" in a unique round Bit Cooler drill index combines form and function into one beautifully designed, easy to carry drill set..

Sizes: 1/16" - 1/2" by 1/64". Cobalt drill bits are are effective in drilling tough, high tensile strength materials.

Sizes: 1.00mm - 13.00mm by 0.50 mm in a unique round Bit Cooler drill index combines form and function into one beautifully designed, easy to carry drill set..

Cobalt drill bits are are effective in drilling tough, high tensile strength materials. Display high red hardness, permitting speeds up to 30% greater than with conventional M2 high speed steel.

Sizes: #1-#60. Cobalt drill bits are are effective in drilling tough, high tensile strength materials. Display high red hardness, permitting speeds up to 30% greater than with conventional M2 high speed steel.

Cobalt drill bits are are effective in drilling tough, high tensile strength materials. Display high red hardness, permitting speeds up to 30% greater than with conventional M2 high speed steel.

Cobalt drill bits are are effective in drilling tough, high tensile strength materials. Display high red hardness, permitting speeds up to 30% greater than with conventional M2 high speed steel.

Cobalt drill bits are are effective in drilling tough, high tensile strength materials. Display high red hardness, permitting speeds up to 30% greater than with conventional M2 high speed steel.

Cobalt drill bits are are effective in drilling tough, high tensile strength materials. Display high red hardness, permitting speeds up to 30% greater than with conventional M2 high speed steel.

Cobalt drill bits are are effective in drilling tough, high tensile strength materials. Display high red hardness, permitting speeds up to 30% greater than with conventional M2 high speed steel.