Metal Drill Bits
13/32 In. x 5-1/4 In. Fractional Jobber Black Oxide Drill Bit
13/32 In. x 5-1/4 In. Fractional Jobber Black Oxide Drill Bit
13/32 In. x 5-1/4 In. Fractional Jobber Black Oxide Drill Bit
13/32 In. x 5-1/4 In. Fractional Jobber Black Oxide Drill Bit

Fractional Jobber Length Black Oxide Drill Bits

For rotary drills/drivers

DRILLING WITH HIGH PRECISION

  • Speed helix design for three times faster drilling than standard bits
  • Last 50% longer than high-speed steel
  • Easier drilling, reduced heat and extended drill bit life
  • Available in jobber length, stubby length, extended length (aircraft), 1/2 In. reduced shank (Silver and Deming)

Materials

Steel
Cast iron

Select options

Diameter (D) Inch
Working length (L1) Inch
Total length (L2) Inch
Choose a pack size
Select options

Diameter (D) Inch 29 options

Working length (L1) Inch 30 options

Total length (L2) Inch 29 options

Choose a pack size 4 options

Available product options (55)
Fractional Jobber Length Black Oxide Drill Bits
For rotary drills/drivers

Fits tools of most brands

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Cylindrical shank compatible with three-jaw drill chucks.

DRILLING WITH HIGH PRECISION

Bosch black oxide bits offer superior durability, speed and selection for most general purpose applications. Best for cutting holes into metal and work equally well in wood and plastic drilling.

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Product Options

Available product options: 55

Model number Diameter (D) Inch Working length (L1) Inch Total length (L2) Inch Pack quantity
BL2131 1/16 1/2 1 7/8 2
BL2132 5/64 1 2 2
BL2133 3/32 1 1/4 2 1/4 2
BL2134 7/64 1 5/8 2 5/8 2
BL2135 1/8 1 3/4 2 3/4 2
BL2136 9/64 1 7/8 2 7/8 1
BL2137 5/32 2 1/8 3 1/8 1
BL2138 11/64 2 1/4 3 1/4 1
BL2139 3/16 2 1/2 3 1/2 1
BL2140 13/64 2 5/8 3 5/8 1
BL2141 7/32 2 3/4 3 3/4 1
BL2142 15/64 2 7/8 3 7/8 1
BL2143 1/4 3 4 1
BL2144 17/64 3 1/8 4 1/8 1
BL2145 9/32 3 1/4 4 1/4 1
BL2146 19/64 3 3/8 4 3/8 1
BL2147 5/16 3 1/2 4 1/2 1
BL2148 21/64 3 5/8 4 5/8 1
BL2149 11/32 3 3/4 4 3/4 1
BL2150 23/64 3 7/8 4 7/8 1
BL2151 3/8 4 5 1
BL2155 7/16 4 1/2 5 1/2 1
BL2156 29/64 4 5/8 5 5/8 1
BL2157 15/32 4 3/4 5 3/4 1
BL2158 31/64 4 7/8 5 7/8 1
BL2159 1/2 5 6 1
BL4131 1/16 15/16 1 7/8 12
BL4132 5/64 1 2 12
BL4133 3/32 1 1/4 2 1/4 12
BL4134 7/64 1 5/8 2 5/8 12
BL4135 1/8 1 3/4 2 3/4 12
BL4136 9/64 1 7/8 2 7/8 12
BL4137 5/32 2 1/8 3 1/8 12
BL4138 11/64 2 1/4 3 1/4 12
BL4139 3/16 2 1/2 3 1/2 12
BL4140 13/64 2 5/8 3 5/8 12
BL4141 7/32 2 3/4 3 3/4 1
BL4142 15/64 2 7/8 3 7/8 12
BL4143 1/4 3 4 12
BL4144 17/64 3 1/8 4 1/8 6
BL4145 9/32 3 1/4 4 1/4 6
BL4146 19/64 3 3/8 4 3/8 6
BL4147 5/16 3 1/2 4 1/2 6
BL4148 21/64 3 5/8 4 5/8 6
BL4149 11/32 3 3/4 4 3/4 6
BL4150 23/64 3 7/8 4 7/8 6
BL4151 3/8 4 5 6
BL4152 25/64 4 1/8 5 1/8 6
BL4153 13/32 4 1/4 5 1/4 6
BL4154 27/64 4 3/8 5 3/8 6
BL4155 7/16 4 1/2 5 1/2 6
BL4156 29/64 4 5/8 5 5/8 6
BL4157 15/32 4 3/4 5 3/4 6
BL4158 31/64 4 7/8 5 7/8 6
BL4159 1/2 5 6 6

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