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Countersinks

Find a wide selection of solid carbide countersinks, which are ideal for enlarging the rim of a drill hole when machining a part, with Xometry Supplies. These high-quality countersinks produce a finish comparable to a ground surface and eliminate chatter and tearing.


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  1. STM Premium Size 8 x 3/4
    $96.80
  2. STM Premium Size 7 x 5/8
    $88.80
  3. STM 1/4
    $17.30
  4. STM 1/2
    $35.40
  5. STM 3/8
    $28.60
  6. STM 5/16
    $24.10
  7. STM 1/4
    $22.40
  8. STM 1/2
    $17.60
  9. STM 3/8
    $13.60
  10. STM 1/4
    $9.80
  11. STM 3/16
    $9.30
  12. STM 1
    $54.60
  13. STM 5/16
    SOWA STM 5/16" 60º HSS 6-Flute Countersink SKU: SOWA-​121-206​
    $14.60
  14. STM 1/4
    $7.60
  15. STM 3/8
    $10.50
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