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    Cobalt Jobbers - Fractional Sizes

    a representational image of the JL-COBALT class
    Cobalt Jobbers contain a percentage of Cobalt in their steel, greatly increasing their wear resistance.
    shank size is the same as the diameter of the drill
    Part #
    Price
    COB.7mm
    • 0.03"
    • 1-3/8"
    $6.74
    COB.031
    • 1/32"
    • 1-3/8"
    $3.84
    COB.031_12_PACK
    • 1/32"
    • 1-3/8"
    12 per package $3.38 /ea
    $40.56
    COB.046
    • 3/64"
    • 1-3/4"
    $2.11
    COB.046_12_PACK
    • 3/64"
    • 1-3/4"
    12 per package $1.90 /ea
    $22.80
    COB.062
    • 1/16"
    • 1-7/8"
    $1.65
    COB.062_12_PACK
    • 1/16"
    • 1-7/8"
    12 per package $1.44 /ea
    $17.28
    COB.062_96_PIECES
    • 1/16"
    • 1-7/8"
    96 per package $1.30 /ea
    $124.80
    COB.062_IMPORT
    • 1/16"
    • 1-7/8"
    $1.25
    COB.078
    • 5/64"
    • 2"
    $1.65
    COB.078_12_PACK
    • 5/64"
    • 2"
    12 per package $1.44 /ea
    $17.28
    COB.078_IMPORT
    • 5/64"
    • 2"
    $1.25
    COB.093
    • 3/32"
    • 2-1/4"
    $1.65
    COB.093_12_PACK
    • 3/32"
    • 2-1/4"
    12 per package $1.44 /ea
    $17.28
    COB.093_IMPORT
    • 3/32"
    • 2-1/4"
    $1.25
    COB.109
    • 7/64"
    • 2-5/8"
    $1.73
    COB.109_12_PACK
    • 7/64"
    • 2-5/8"
    12 per package $1.46 /ea
    $17.52
    COB.109_IMPORT
    • 7/64"
    • 2-5/8"
    $1.36
    COB.125
    • 1/8"
    • 2-3/4"
    $2.14
    COB.125_12pcs
    • 1/8"
    • 2-3/4"
    12 per package $1.72 /ea
    $20.64
    COB.125_24pcs
    • 1/8"
    • 2-3/4"
    24 per package $1.54 /ea
    $36.96
    COB.125_IMPORT
    • 1/8"
    • 2-3/4"
    $1.64
    COB.140
    • 9/64"
    • 2-7/8"
    $2.14
    COB.140_12_PACK
    • 9/64"
    • 2-7/8"
    12 per package $1.85 /ea
    $22.20
    COB.140_IMPORT
    • 9/64"
    • 2-7/8"
    $1.64
    COB.156
    • 5/32"
    • 3-1/8"
    $2.35
    COB.156_12pcs
    • 5/32"
    • 3-1/8"
    12 per package $2.05 /ea
    $24.60
    COB.156_IMPORT
    • 5/32"
    • 3-1/8"
    $1.86
    COB.171
    • 11/64"
    • 3-1/4"
    $2.51
    COB.171_12_pcs
    • 11/64"
    • 3-1/4"
    12 per package $2.18 /ea
    $26.16
    COB.171_IMPORT
    • 11/64"
    • 3-1/4"
    $1.96
    COB.187
    • 3/16"
    • 3-1/2"
    $2.84
    COB.187_12pcs
    • 3/16"
    • 3-1/2"
    12 per package $2.45 /ea
    $29.40
    COB.187_IMPORT
    • 3/16"
    • 3-1/2"
    $2.19
    COB.203
    • 13/64"
    • 3-5/8"
    $3.38
    COB.203_12_PACK
    • 13/64"
    • 3-5/8"
    12 per package $2.95 /ea
    $35.40
    COB.203_IMPORT
    • 13/64"
    • 3-5/8"
    $2.63
    COB.218
    • 7/32"
    • 3-3/4"
    $3.71
    COB.218_12pcs
    • 7/32"
    • 3-3/4"
    12 per package $3.20 /ea
    $38.40
    COB.218_IMPORT
    • 7/32"
    • 3-3/4"
    $2.88
    COB.234
    • 15/64"
    • 3-7/8"
    $3.89
    COB.234_12pcs
    • 15/64"
    • 3-7/8"
    12 per package $3.38 /ea
    $40.56
    COB.234_IMPORT
    • 15/64"
    • 3-7/8"
    $3.11
    COB.234_IMPORT_12_PACK
    • 15/64"
    • 3-7/8"
    12 per package $2.63 /ea
    $31.56
    COB.250
    • 1/4"
    • 4"
    $4.21
    COB.250_108pcs
    • 1/4"
    • 4"
    108 per package $3.26 /ea
    $352.08
    COB.250_12pcs
    • 1/4"
    • 4"
    12 per package $3.62 /ea
    $43.44
    COB.250_IMPORT
    • 1/4"
    • 4"
    $3.28
    COB.250_IMPORT_108
    • 1/4"
    • 4"
    108 per package $2.62 /ea
    $282.96
    COB.250_IMPORT_12_PACK
    • 1/4"
    • 4"
    12 per package $2.78 /ea
    $33.36
    COB.265
    • 17/64"
    • 4-1/8"
    $5.61
    COB.265_IMPORT
    • 17/64"
    • 4-1/8"
    $3.71
    COB.281
    • 9/32"
    • 4-1/4"
    $5.85
    COB.281_6pcs
    • 9/32"
    • 4-1/4"
    6 per package $4.31 /ea
    $25.86
    COB.281_IMPORT
    • 9/32"
    • 4-1/4"
    $3.95
    COB.296
    • 19/64"
    • 4-3/8"
    $4.73
    COB.296_IMPORT
    • 19/64"
    • 4-3/8"
    $4.10
    COB.312
    • 5/16"
    • 4-1/2"
    $7.29
    COB.312_6pcs
    • 5/16"
    • 4-1/2"
    6 per package $5.60 /ea
    $33.60
    COB.312_IMPORT
    • 5/16"
    • 4-1/2"
    $5.05
    COB.328
    • 21/64"
    • 4-5/8"
    $8.83
    COB.328_IMPORT
    • 21/64"
    • 4-5/8"
    $5.61
    COB.343
    • 11/32"
    • 4-3/4"
    $9.17
    COB.343_IMPORT
    • 11/32"
    • 4-3/4"
    $6.13
    COB.359
    • 23/64"
    • 4-7/8"
    $10.44
    COB.359_IMPORT
    • 23/64"
    • 4-7/8"
    $7.04
    COB.375
    • 3/8"
    • 5"
    $10.93
    COB.375_6_PACK
    • 3/8"
    • 5"
    6 per package $7.83 /ea
    $46.98
    COB.375_IMPORT
    • 3/8"
    • 5"
    $7.04
    25-64 WITH_3-8_SHANK
    • 25/64"
    • 5-1/8"
    low stock
    call to order
    COB.390
    • 25/64"
    • 5-1/8"
    $11.45
    COB.390_IMPORT
    • 25/64"
    • 5-1/8"
    $7.97
    13-32 WITH_3-8_SHANK
    • 13/32"
    • 5-1/4"
    $12.19
    COB.406
    • 13/32"
    • 5-1/4"
    $12.19
    COB.406_IMPORT
    • 13/32"
    • 5-1/4"
    $8.34
    27-64 WITH_3-8_SHANK
    • 27/64"
    • 5-3/8"
    $12.90
    COB.421
    • 27/64"
    • 5-3/8"
    $12.90
    COB.421_IMPORT
    • 27/64"
    • 5-3/8"
    $9.20
    7-16 WITH_3-8_SHANK
    • 7/16"
    • 5-1/2"
    $13.72
    COB.437
    • 7/16"
    • 5-1/2"
    $13.72
    COB.437_6_PACK
    • 7/16"
    • 5-1/2"
    6 per package $10.43 /ea
    $62.58
    COB.437_IMPORT
    • 7/16"
    • 5-1/2"
    $8.81
    29-64 WITH_3-8_SHANK
    • 29/64"
    • 5-5/8"
    $16.07
    COB.453
    • 29/64"
    • 5-5/8"
    $16.07
    COB.453_IMPORT
    • 29/64"
    • 5-5/8"
    $11.33
    15-32 WITH 3-8_SHANK
    • 15/32"
    • 5-3/4"
    $16.84
    COB.468
    • 15/32"
    • 5-3/4"
    $16.84
    COB.468_IMPORT
    • 15/32"
    • 5-3/4"
    $11.52
    31-64 WITH 3-8_SHANK
    • 31/64"
    • 5-7/8"
    $17.25
    COB.484
    • 31/64"
    • 5-7/8"
    $17.25
    COB.484_IMPORT
    • 31/64"
    • 5-7/8"
    $11.85
    1-2 WITH 3-8_SHANK
    • 1/2"
    • 6"
    $17.88
    COB.500
    • 1/2"
    • 6"
    $17.88
    COB.500_6_PACK
    • 1/2"
    • 6"
    6 per package $12.85 /ea
    $77.10
    COB.500_IMPORT
    • 1/2"
    • 6"
    $10.81
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