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AndyMark's Summer Hours:  Monday - Thursday, 8:00 am - 5:00 pm ET. Closed Fridays through July 31, 2026.
20% OFF! Use code SAVE20 to save 20% on select products!
AndyMark's Summer Hours:  Monday - Thursday, 8:00 am - 5:00 pm ET. Closed Fridays through July 31, 2026.
20% OFF! Use code SAVE20 to save 20% on select products!
Drill Bits - am-DrillBits_1 - Image-1 - migrated

Drill Bits

by AndyMark
Save up to 68% Save 0%
$2.50 USD - $8.70 USD
$2.50 USD - $8.70 USD
$2.50 USD
$0.90 USD - $8.70 USD
$0.90 USD - $8.70 USD
$0.90 USD
These drill bits are made from high-speed steel and finished with black oxide featuring a 118m degree conventional point.
Size: O (0.316 in.)
SKU am-3978
  • Description
  • Specifications

  • One stop spot for all Drill Bits we provide, starting with drill bits sized to work with the taps we offer. These bits are all made from high-speed steel and finished with black oxide and feature a 118m degree conventional point.

    Bits and Taps
    Tap Size Part # Drill Size Part #
    1/4-20 am-4515 #7 am-4613
    10-32 am-4516 #21 am-4524
    8-32 am-4517 #29 am-4525
    6-32 am-4518 #36 am-4526
    M3 am-4519 2.5 mm am-4527
    M4 am-4520 3.3 mm am-4528
    M5 am-4521 4.2 mm am-4529
    M6 am-4522 5 mm am-4530
    • Finish: Black Oxide
    • Material: High Speed Steel
    • Number of Flutes: 2
    • Point Type: 118° Conventional Point
    • Size: 7/64 in. (0.1094 in.), #7 (0.201 in.), #21 (0.159 in.), #29 (0.136 in.), #36 (0.1065 in.), 2.50 mm, 3.30 mm, 4.20 mm, 5.00 mm, 6.76 mm (0.266 in.)
    • Style: Jobber

Not Returnable

This product is not eligible for returns. All sales are final.

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