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Bosch Cobalt Drill Bits

HomeBosch Twist Drill Bits Black Oxide & Cobalt › Bosch Cobalt Drill Bits
Bosch Cobalt Drill Bit 1/64
Bosch Cobalt Drill Bit 1/64" x 3/4" x 1/64" CO4128Regular Price: $2.00
On Sale For: $1.50 
Bosch Cobalt Drill Bit 1/32
Bosch Cobalt Drill Bit 1/32" x 1-3/8" x 1/32" CO4129Regular Price: $1.82
On Sale For: $1.37 
Bosch Cobalt Drill Bit 3/64
Bosch Cobalt Drill Bit 3/64" x 1/4" x 3/64" CO4130Regular Price: $1.60
On Sale For: $1.20 
Bosch Cobalt Drill Bit 1/16
Bosch Cobalt Drill Bit 1/16" x 1-7/8" CO4131Regular Price: $1.56
On Sale For: $1.17 
Bosch Cobalt Drill Bit 5/64
Bosch Cobalt Drill Bit 5/64" x 2" x 5/64" CO4132Regular Price: $1.56
On Sale For: $1.17 
Bosch Cobalt Drill Bit 3/32
Bosch Cobalt Drill Bit 3/32" x 2-1/4" x 3/32" CO4133Regular Price: $1.56
On Sale For: $1.17 
Bosch Cobalt Drill Bit 7/64
Bosch Cobalt Drill Bit 7/64" x 2-5/8"x 7/64" CO4134Regular Price: $1.64
On Sale For: $1.23 
Bosch Cobalt Drill Bit 1/8
Bosch Cobalt Drill Bit 1/8" x 2-3/4" x 1/8" CO4135Regular Price: $1.98
On Sale For: $1.49 
Bosch Cobalt Drill Bit 9/64
Bosch Cobalt Drill Bit 9/64" x 2-7/8" x 9/64" CO4136Regular Price: $2.13
On Sale For: $1.60 
Bosch Cobalt Drill Bit 5/32
Bosch Cobalt Drill Bit 5/32" x 3-1/8" x 5/32" CO4137Regular Price: $2.24
On Sale For: $1.68 
Bosch Cobalt Drill Bit 11/64
Bosch Cobalt Drill Bit 11/64" x 3-1/4" x 11/64" CO4138Regular Price: $2.36
On Sale For: $1.77 
Bosch Cobalt Drill Bit 3/16
Bosch Cobalt Drill Bit 3/16" x 3-1/2" x 3/16" CO4139Regular Price: $2.71
On Sale For: $2.03 
Bosch Cobalt Drill Bit 13/64
Bosch Cobalt Drill Bit 13/64" x 3-5/8" x 13/64" CO4140Regular Price: $3.49
On Sale For: $2.62 
Bosch Cobalt Drill Bit 7/32
Bosch Cobalt Drill Bit 7/32" x 3-3/4" x 7/32" CO4141Regular Price: $3.71
On Sale For: $2.78 
Bosch Cobalt Drill Bit 15/64
Bosch Cobalt Drill Bit 15/64" x 3-7/8" x 15/64" CO4142Regular Price: $4.04
On Sale For: $3.03 
Bosch Cobalt Drill Bit 1/4
Bosch Cobalt Drill Bit 1/4" x 4" x 1/4" CO4143Regular Price: $4.49
On Sale For: $3.37 
Bosch Cobalt Drill Bit 17/64
Bosch Cobalt Drill Bit 17/64" x 4-1/8" x 17/64" CO4144Regular Price: $4.80
On Sale For: $3.60 
Bosch Cobalt Drill Bit 9/32
Bosch Cobalt Drill Bit 9/32" x 4-1/4" x 9/32" CO4145Regular Price: $5.20
On Sale For: $3.90 
Bosch Cobalt Drill Bit 19/64
Bosch Cobalt Drill Bit 19/64" x 4-3/8" x 19/64" CO4146Regular Price: $6.09
On Sale For: $4.57 
Bosch Cobalt Drill Bit 5/16
Bosch Cobalt Drill Bit 5/16" x 4-1/2" x 5/16" CO4147Regular Price: $6.51
On Sale For: $4.88 
Bosch Cobalt Drill Bit 21/64
Bosch Cobalt Drill Bit 21/64" x 4-5/8" x 21/64" CO4148Regular Price: $7.07
On Sale For: $5.30 
Bosch Cobalt Drill Bit 11/32
Bosch Cobalt Drill Bit 11/32" x 4-3/4" x 11/32" CO4149Regular Price: $8.29
On Sale For: $6.22 
Bosch Cobalt Drill Bit 23/64
Bosch Cobalt Drill Bit 23/64" x 4-7/8" x 23/64" CO4150Regular Price: $9.42
On Sale For: $7.07 
Bosch Cobalt Drill Bit 3/8
Bosch Cobalt Drill Bit 3/8" x 5" x 3/8" CO4151Regular Price: $9.89
On Sale For: $7.42 
Bosch Cobalt Drill Bit 25/64
Bosch Cobalt Drill Bit 25/64" x 4-7/8" x 25/64" CO4152Regular Price: $10.33
On Sale For: $7.75 
Bosch Cobalt Drill Bit 13/32
Bosch Cobalt Drill Bit 13/32" x 5-1/4" x 13/32" CO4153Regular Price: $10.98
On Sale For: $8.24 
Bosch Cobalt Drill Bit 27/64
Bosch Cobalt Drill Bit 27/64" x 5-3/8" x 27/64" CO4154Regular Price: $11.67
On Sale For: $8.75 
Bosch Cobalt Drill Bit 7/16
Bosch Cobalt Drill Bit 7/16" x 5-1/2" x 7/16" CO4155Regular Price: $12.13
On Sale For: $9.10 
Bosch Cobalt Drill Bit 29/64
Bosch Cobalt Drill Bit 29/64" x 5-5/8" x 29/64" CO4156Regular Price: $14.58
On Sale For: $10.94 
Bosch Cobalt Drill Bit 15/32
Bosch Cobalt Drill Bit 15/32" x 5-3/4" x 15/32" CO4157Regular Price: $14.84
On Sale For: $11.13 
Bosch Cobalt Drill Bit 31/64
Bosch Cobalt Drill Bit 31/64" x 5-7/8" x 31" CO4158Regular Price: $15.24
On Sale For: $11.43 
Bosch Cobalt Drill Bit 1/2
Bosch Cobalt Drill Bit 1/2" x 6" x 1/2" CO4159Regular Price: $15.71
On Sale For: $11.78 

Bosch cobalt drill bits are specially designed for drilling in hard steel. Thick web helix delivers fast material removal combined with increased durability for maximum efficiency and performance. Each bit is manufactured to exacting specifications and features a split point that starts on contact with no walking or skating, eliminating the need for a center punch.