5/16" Drill Bit | Cobalt | Stepped Point | 3-Flat Shank | GSC5/16 (12 / Pkg.)
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5/16" Drill Bit | Cobalt | Stepped Point | 3-Flat Shank | GSC5/16 (12 / Pkg.)

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5/16" Drill Bit | Cobalt | Stepped Point | 3-Flat Shank | GSC5/16 (12 / Pkg.)

Drill AmericaSKU: GSC5/16
Price:
$106.72per 12( $8.89 each)
Pieces 12
Measurement type Inch
Diameter 5/16"
Length 4-1/2
Material Cobalt
Finish Gold
Flute length 3-3/16
Point type Stepped Point
Shank 3-Flat
Size 5/16
Weight 1.0 lb

WARNING: This product can expose you to chemicals including lead and lead compounds, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to https://www.P65Warnings.ca.gov.

Description

Specs

  • Quantity: 12-pack
  • Diameter: 5/16" (0.3125")
  • Tip geometry: Stepped Point
  • Shank: 3-Flat
  • Material: Cobalt (HSS-Co)

Features

  • Stepped point design aids precise entry and minimizes walking when drilling into hard metals
  • 3-flat shank provides improved grip and reduces slippage in standard drill chucks
  • Cobalt alloy offers higher heat resistance and longer tool life compared to standard HSS bits
  • Ideal for metalworking tasks requiring durable, repeatable 5/16" bore diameter
  • Pack of 12 ensures ready supply for projects, repairs, and shop runs

Physical

  • Shank: 3-Flat
  • Diameter: 5/16" (0.3125")
  • Bit type: Stepped Point cobalt drill bit
  • Pack quantity: 12

Can We Help?

If you’re not sure that this product is right for you, give us a call!
800-222-0324

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