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Solid Cobalt Drill Bits

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Irwin 63104 1/16" Cobalt Drill Bit

Use these when high speed steel drill bits just won't cut it!
Constructed of M-42 8 percent cobalt high speed steel for super abrasive resistance in tough metals
Heavy duty spiral flute design produces faster chip ejection

$2.05
10+ / $1.85
25+ / $1.74

Irwin 63105 5/64" Cobalt Drill Bit

Use these when high speed steel drill bits just won't cut it!
Shorter cutting lips reduce torque for drilling in high tensile strength materials
Heavy duty spiral flute design produces faster chip ejection

$2.05
10+ / $1.85
25+ / $1.74

Irwin 63106 3/32" Cobalt Drill Bit

Use these when high speed steel drill bits just won't cut it!
Shorter cutting lips reduce torque for drilling in high tensile strength materials
Heavy duty spiral flute design produces faster chip ejection

$2.05
10+ / $1.85
25+ / $1.74

Irwin 63107 7/64" Cobalt Drill Bit

Use these when high speed steel drill bits just won't cut it!
Heavy duty spiral flute design produces faster chip ejection
Shorter cutting lips reduce torque for drilling in high tensile strength materials

$2.19
10+ / $1.97
25+ / $1.86

Irwin 63108 1/8" Cobalt Drill Bit

Constructed of M-42 8 percent cobalt high speed steel for super abrasive resistance in tough metals
Heavy duty spiral flute design produces faster chip ejection
Shorter cutting lips reduce torque for drilling in high tensile strength materials

$2.69
10+ / $2.42
25+ / $2.29

Irwin 63109 9/64" Cobalt Drill Bit

Use these when high speed steel drill bits just won't cut it!
Heavy duty spiral flute design produces faster chip ejection
Shorter cutting lips reduce torque for drilling in high tensile strength materials

$2.85
10+ / $2.57
25+ / $2.42

Irwin 63110 5/32" Cobalt Drill Bit

Use these when high speed steel drill bits just won't cut it!
Constructed of M-42 8 percent cobalt high speed steel for super abrasive resistance in tough metals
135-degree split point reduces feed pressure for easier penetration without work hardening

$2.99
10+ / $2.69
25+ / $2.54

Irwin 63111 11/64" Cobalt Drill Bit

Use these when high speed steel drill bits just won't cut it!
Constructed of M-42 8 percent cobalt high speed steel for super abrasive resistance in tough metals
135-degree split point reduces feed pressure for easier penetration without work hardening

$2.99
10+ / $2.84
25+ / $2.68

Irwin 63112 3/16" Cobalt Drill Bit

Use these when high speed steel drill bits just won't cut it!
Constructed of M-42 8 percent cobalt high speed steel for super abrasive resistance in tough metals
135-degree split point reduces feed pressure for easier penetration without work hardening

$2.99
10+ / $2.79
25+ / $2.39

Irwin 63113 13/64" Cobalt Drill Bit

Use these when high speed steel drill bits just won't cut it!
Constructed of M-42 8 percent cobalt high speed steel for super abrasive resistance in tough metals
135-degree split point reduces feed pressure for easier penetration without work hardening

$2.99
10+ / $2.79
25+ / $2.49

Irwin 63114 7/32" Cobalt Drill Bit

Use these when high speed steel drill bits just won't cut it!
Constructed of M-42 8 percent cobalt high speed steel for super abrasive resistance in tough metals
135-degree split point reduces feed pressure for easier penetration without work hardening

$2.99
10+ / $2.79
25+ / $2.59

Irwin 63115 15/64" Cobalt Drill Bit

Use these when high speed steel drill bits just won't cut it!
Constructed of M-42 8 percent cobalt high speed steel for super abrasive resistance in tough metals
135-degree split point reduces feed pressure for easier penetration without work hardening

$2.99
10+ / $2.79
25+ / $2.59

Irwin 63116 1/4" Cobalt Drill Bit

Constructed of M-42 8 percent cobalt high speed steel for super abrasive resistance in tough metals
Heavy duty spiral flute design produces faster chip ejection
Shorter cutting lips reduce torque for drilling in high tensile strength materials

$3.95
10+ / $3.65
25+ / $3.15

Irwin 63117 17/64" Cobalt Drill Bit

Use these when high speed steel drill bits just won't cut it!
Constructed of M-42 8 percent cobalt high speed steel for super abrasive resistance in tough metals
135-degree split point reduces feed pressure for easier penetration without work hardening

$3.99
10+ / $3.75
25+ / $3.25

Irwin 63118 9/32" Cobalt Drill Bit

Use these when high speed steel drill bits just won't cut it!
Constructed of M-42 8 percent cobalt high speed steel for super abrasive resistance in tough metals
135-degree split point reduces feed pressure for easier penetration without work hardening

$3.99
10+ / $3.79
25+ / $3.59

Irwin 63119 19/64" Cobalt Drill Bit

Use these when high speed steel drill bits just won't cut it!
Constructed of M-42 8 percent cobalt high speed steel for super abrasive resistance in tough metals
135-degree split point reduces feed pressure for easier penetration without work hardening

$4.95
10+ / $4.65
25+ / $3.99

Irwin 63120 5/16" Cobalt Drill Bit

Use these when high speed steel drill bits just won't cut it!
Constructed of M-42 8 percent cobalt high speed steel for super abrasive resistance in tough metals
135-degree split point reduces feed pressure for easier penetration without work hardening

$4.95
10+ / $4.65
25+ / $3.99

Irwin 63122 11/32" Cobalt Drill Bit

Use these when high speed steel drill bits just won't cut it!
Constructed of M-42 8 percent cobalt high speed steel for super abrasive resistance in tough metals
135-degree split point reduces feed pressure for easier penetration without work hardening

$5.99
10+ / $5.59
25+ / $4.99

Irwin 63123 23/64" Cobalt Drill Bit

Use these when high speed steel drill bits just won't cut it!
Constructed of M-42 8 percent cobalt high speed steel for super abrasive resistance in tough metals
135-degree split point reduces feed pressure for easier penetration without work hardening

$7.99
10+ / $6.99
25+ / $5.99

Irwin 63124 3/8" Cobalt Drill Bit

Use these when high speed steel drill bits just won't cut it!
Constructed of M-42 8 percent cobalt high speed steel for super abrasive resistance in tough metals
135-degree split point reduces feed pressure for easier penetration without work hardening

$7.99
10+ / $6.99
25+ / $5.99

Irwin 63125 25/64" Cobalt Drill Bit

Use these when high speed steel drill bits just won't cut it!
Constructed of M-42 8 percent cobalt high speed steel for super abrasive resistance in tough metals
135-degree split point reduces feed pressure for easier penetration without work hardening

$7.99
10+ / $6.99
25+ / $5.99

Irwin 63126 13/32" Cobalt Drill Bit

Use these when high speed steel drill bits just won't cut it!
Constructed of M-42 8 percent cobalt high speed steel for super abrasive resistance in tough metals
Heavy duty spiral flute design produces faster chip ejection

$7.99
10+ / $6.99
25+ / $6.39

Irwin 63128 7/16" Cobalt Drill Bit

Use these when high speed steel drill bits just won't cut it!
Constructed of M-42 8 percent cobalt high speed steel for super abrasive resistance in tough metals
Heavy duty spiral flute design produces faster chip ejection

$8.99
10+ / $7.99
25+ / $6.99

Irwin 63130 15/32" Cobalt Drill Bit

Use these when high speed steel drill bits just won't cut it!
Constructed of M-42 8 percent cobalt high speed steel for super abrasive resistance in tough metals
135-degree split point reduces feed pressure for easier penetration without work hardening

$9.99
10+ / $8.99
25+ / $7.99

Irwin 63132 1/2" Cobalt Drill Bit

Use these when high speed steel drill bits just won't cut it!
Constructed of M-42 8 percent cobalt high speed steel for super abrasive resistance in tough metals
135-degree split point reduces feed pressure for easier penetration without work hardening

$9.99
10+ / $8.99
25+ / $7.99

View discontinued Solid Cobalt Drill Bits

Irwin 63121 21/64" Cobalt Drill Bit

No longer available...

Questions about Solid Cobalt Drill Bits? E-mail us.

For the past 30 years, Tools-Plus has committed itself to carrying the best selection of Solid Cobalt Drill Bits, as well as other hand tools, power tools, woodworking machinery, and accessories from the largest selection of the top manufacturers.

Top Sellers in This Category

Irwin 63128 7/16" Cobalt Drill Bit

$8.99
10+ / $7.99
25+ / $6.99

Irwin 63132 1/2" Cobalt Drill Bit

$9.99
10+ / $8.99
25+ / $7.99

Irwin 63104 1/16" Cobalt Drill Bit

$2.05
10+ / $1.85
25+ / $1.74

Irwin 63112 3/16" Cobalt Drill Bit

$2.99
10+ / $2.79
25+ / $2.39

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Solid Cobalt Drill Bits

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