Drillco

Drillco 440N511 K, Nitro Drill Heavy Duty

Drillco 440N511 K, Nitro Drill Heavy Duty

Part Number: DBK

Current Stock: 21

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Manufactured from a premium grade of M-7N molybdenum high speed steel. The Nitro Heavy Duty 135 degree Split Point drill with a Nitride surface treatment that give a hard protective layer to the drill (increases hardness without increasing brittleness) which is measurably harder than high speed steel. Body and clearance are gold and black surface treated for maximum lubricity. Recommended for use in stainless steel and other hard metal drilling.

  • Sizes: Letter
  • Material: High Speed Steel
  • Finish/Coating: Black & Gold
  • Weight: 0.06 LBS

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  • Weight: 0.06 LBS

We're currently collecting product reviews for this item. In the meantime, here are some company reviews from our past customers sharing their overall shopping experience.

4.7
2873 Reviews
  • 5
    2316 (81%)
  • 4
    426 (15%)
  • 3
    98 (3%)
  • 2
    12 (0%)
  • 1
    21 (1%)
95% of customers rate this company 4- or 5-stars
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Keith M. Verified Customer   
04-23-25 - canada

Great experience

Recommend this Company
5 / 5
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GORD H. Verified Customer   
04-23-25 - canada

Would be nice if 15% discount applied to items you don't have in stock. Thks have a great day

Recommend this Company
5 / 5
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Yves C. Verified Customer   
04-23-25 - canada

up to milwaukee

Recommend this Company
5 / 5
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Matthew L. Verified Customer   
04-22-25 - canada

A few things were sold out, but otherwise a great site!

Recommend this Company
4 / 5
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Yves C. Verified Customer   
04-22-25 - canada

Up to milwaukee

Recommend this Company
5 / 5
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Drillco 440N511 K, Nitro Drill Heavy Duty

$7.05
or 4 payments of $1.76 with
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