Cobalt

UNIBIT® 3 - 6mm Cobalt Alloy Steel Step Drill Bit 11103

Irwin Unibit® step drill bits are ideal for drilling holes in just about any type of thin material.General purpose high speed steel Unibit® step drill bits are perfect for use in mild steel, copper, brass, aluminum, plexiglass, wood, and laminate.Most...

3 Pc. Cobalt Alloy Steel Step Drill Bit Set 10502CB

Engineered to take on the most demanding drilling jobs, this 3 pc. Unibit® cobalt hss step drill bit set will be a go-to in any tradesman's tool box.With an m-35 cobalt alloy high-speed steel construction, these bits are made to power through heavy-duty...

UNIBIT® 3/16 - 7/8" #4 Cobalt Alloy Steel Step Drill Bit 10234CB

Irwin tools 10234cb Unibit® cobalt sheet metal step drill bit offers 12 different hole sizes in one single bit, from 3/16" to 7/8" in increments of 1/16".Ideal for drilling true, round holes with a smooth, clean finish in a variety of materials like...

UNIBIT® 1/8 - 1/2" #1 Cobalt Alloy Steel Step Drill Bit 10231CB

This Irwin Unibit® #1 cobalt step drill bit is engineered with m-35-grade cobalt steel for maximum life when drilling in tough steel.Laser-marked sizes enable easy reading.The radial concave flute design helps ensure an effective use of drilling power...

UNIBIT® 9/16 - 1" #20 Cobalt Alloy Steel Step Drill Bit 10220CB

Step drill bit, material cobalt, steam oxide finish, number of hole sizes 8, shank size 7/16" step thickness 1/8" size range 9/16" - 1". Sizes included 9/16", 5/8", 11/16", 3/4", 13/16", 7/8", 15/16", 1", number of flutes 1, shank type hex, bit length 3"...

1-1/2" x #4 Cobalt Morse Taper Armour Piercing Drill Bit DR34132

Premium cobalt (8%) 130° Notched point Cobalt substrate for increased hardness and toughness Black oxide finish for increased wear resistance and added lubricity Slow spiral (15° Degree helix) for added strength and rigidity when drilling harder...

1-3/8" x #4 Cobalt Morse Taper Armour Piercing Drill Bit DR34124

Premium cobalt (8%) 130° Notched point Cobalt substrate for increased hardness and toughness Black oxide finish for increased wear resistance and added lubricity Slow spiral (15° Degree helix) for added strength and rigidity when drilling harder...

1-1/4" x #4 Cobalt Morse Taper Armour Piercing Drill Bit DR34116

Premium cobalt (8%) 130° Notched point Cobalt substrate for increased hardness and toughness Black oxide finish for increased wear resistance and added lubricity Slow spiral (15° Degree helix) for added strength and rigidity when drilling harder...

1-1/8" x #4 Cobalt Morse Taper Armour Piercing Drill Bit DR34108

Premium cobalt (8%) 130° Notched point Cobalt substrate for increased hardness and toughness Black oxide finish for increased wear resistance and added lubricity Slow spiral (15° Degree helix) for added strength and rigidity when drilling harder...

1" x #3 Cobalt Morse Taper Armour Piercing Drill Bit DR34100

Premium cobalt (8%) 130° Notched point Cobalt substrate for increased hardness and toughness Black oxide finish for increased wear resistance and added lubricity Slow spiral (15° Degree helix) for added strength and rigidity when drilling harder...

15/16" x #3 Cobalt Morse Taper Armour Piercing Drill Bit DR34060

Premium cobalt (8%) 130° Notched point Cobalt substrate for increased hardness and toughness Black oxide finish for increased wear resistance and added lubricity Slow spiral (15° Degree helix) for added strength and rigidity when drilling harder...

7/8" x #3 Cobalt Morse Taper Armour Piercing Drill Bit DR34056

Premium cobalt (8%) 130° Notched point Cobalt substrate for increased hardness and toughness Black oxide finish for increased wear resistance and added lubricity Slow spiral (15° Degree helix) for added strength and rigidity when drilling harder...