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SKU: BL4147  |  Barcode: 000346328820

Bosch BL4147 5/16" x 4-1/2" Black Oxide Fractional Jobber Twist Drill Bits (6 Pack)

$21.26

Description

Bosch BL4147 Description

Bosch black oxide fractional jobber drill bits are designed for general-purpose drilling in metal, wood, plastic, and composite materials. The split point starts on contact to help prevent walking, while the speed helix design delivers faster drilling, reduced heat, and longer bit life.

Bosch BL4147 Includes

  • (6) 5/16 in. x 4-1/2 in. Black Oxide Fractional Jobber Twist Drill Bits

Bosch BL4147 Features

  • Speed helix design drills up to 3 times faster than standard bits
  • Split point tip starts on contact to help prevent walking and skating
  • Black oxide bits last up to 50% longer than high-speed steel
  • Reduced heat buildup helps extend drill bit life
  • Suitable for steel, copper, aluminum, brass, oak, maple, MDF, pine, PVC, polycarbonate, acrylic, ABS, nylon, and composite materials

Bosch BL4147 Specifications

Bit Diameter 5/16 in.
Bit Material Black Oxide
Bit Type Twist
Length 4.5 in.
Minimum Chuck Size Required 3/8 in.
Package Quantity 6
Surface Coating Black Oxide
Toolup Part # : 28444
WARNING: This product can expose you to chemicals, which are known to the State of California to cause cancer and birth defects or other reproductive harm. www.p65warnings.ca.gov

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Bosch BL4147 5/16" x 4-1/2" Black Oxide Fractional Jobber Twist Drill Bits (6 Pack)
Bosch

Bosch BL4147 5/16" x 4-1/2" Black Oxide Fractional Jobber Twist Drill Bits (6 Pack)

$21.26

Bosch BL4147 Description

Bosch black oxide fractional jobber drill bits are designed for general-purpose drilling in metal, wood, plastic, and composite materials. The split point starts on contact to help prevent walking, while the speed helix design delivers faster drilling, reduced heat, and longer bit life.

Bosch BL4147 Includes

  • (6) 5/16 in. x 4-1/2 in. Black Oxide Fractional Jobber Twist Drill Bits

Bosch BL4147 Features

  • Speed helix design drills up to 3 times faster than standard bits
  • Split point tip starts on contact to help prevent walking and skating
  • Black oxide bits last up to 50% longer than high-speed steel
  • Reduced heat buildup helps extend drill bit life
  • Suitable for steel, copper, aluminum, brass, oak, maple, MDF, pine, PVC, polycarbonate, acrylic, ABS, nylon, and composite materials

Bosch BL4147 Specifications

Bit Diameter 5/16 in.
Bit Material Black Oxide
Bit Type Twist
Length 4.5 in.
Minimum Chuck Size Required 3/8 in.
Package Quantity 6
Surface Coating Black Oxide
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