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Stone Tools 1/4-in-9/16-in-1-in Step Drill Bit, Cobalt

Stone Tools ST-382
SKU STT-ST382
Stone Tool's 1/4-in-9/16-in-1-in Step Drill Bit has 8 steps with a 3/8-in shank size. Cobalt finish with self-starting point and double flute design. Add this step drill bit to your cart now at HomElectrical.com!
Stone Tools 1/4-in-9/16-in-1-in Step Drill Bit, Cobalt

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Stone Tool's 1/4-in-9/16-in-1-in Step Drill Bit has 8 steps with a 3/8-in shank size. Cobalt finish with self-starting point and double flute design. Add this step drill bit to your cart now at HomElectrical.com!

  • Finish: Cobalt.
  • Hole Sizes: 1/4-in ... 9/16-in ... 1-in.
  • Number of Steps: 8.
  • Shank Size: 3/8-in.
  • Industrial quality high speed steel.
  • Double flute allows for precise, burr-free holes in addition to freer cutting and cooler running.
  • Self starting point requires no pilot hole.
  • Contains a super alloy that allows the bit to last six times longer.

Similar Drill Bit Products

Stone Tools ST-382 Description

  • Finish: Cobalt.
  • Hole Sizes: 1/4-in ... 9/16-in ... 1-in.
  • Number of Steps: 8.
  • Shank Size: 3/8-in.
  • Industrial quality high speed steel.
  • Double flute allows for precise, burr-free holes in addition to freer cutting and cooler running.
  • Self starting point requires no pilot hole.
  • Contains a super alloy that allows the bit to last six times longer.

Similar Drill Bit Products

Free Shipping Eligible
$48.68Each
In Stock-

Ships between 03/03/2026 - 03/17/2026

Stone Tools
Visit The Stone Tools Store
See more Stone Tools Drill Bits

Product Specifications

Manufacturer Description

1/4" - 9/16" -1"
Prop65
Important PROP 65 InformationWarning: This product can expose you to chemicals, which are known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to www.p65warnings.ca.gov. to CA residents.
Stone Tool's 1/4-in-9/16-in-1-in Step Drill Bit has 8 steps with a 3/8-in shank size. Cobalt finish with self-starting point and double flute design. Add this step drill bit to your cart now at HomElectrical.com!
Stone Tools 1/4-in-9/16-in-1-in Step Drill Bit, Cobalt
Free Shipping Eligible
$48.68Each
In Stock-

Ships between 03/03/2026 - 03/17/2026

Similar Drill Bit Products

Stone Tools ST-382 Description

  • Finish: Cobalt.
  • Hole Sizes: 1/4-in ... 9/16-in ... 1-in.
  • Number of Steps: 8.
  • Shank Size: 3/8-in.
  • Industrial quality high speed steel.
  • Double flute allows for precise, burr-free holes in addition to freer cutting and cooler running.
  • Self starting point requires no pilot hole.
  • Contains a super alloy that allows the bit to last six times longer.

Product Specifications

Stone Tools
Visit The Stone Tools Store

Manufacturer Description

1/4" - 9/16" -1"
Prop65
Important PROP 65 InformationWarning: This product can expose you to chemicals, which are known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to www.p65warnings.ca.gov. to CA residents.

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