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Irwin 4 PC. General Purpose Unibit Step Drill Set

Irwin 10225
SKU IRW-10225
Irwin 4 PC. General Purpose Unibit Step Drill Set

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The single-fluted cutting edge of this step drill set assures true round holes, and allows greater control with less vibration. Its titanium Nitride finish causes less friction which increases speed and increases product life by 6X. The new SpeedPoint tip provides 6X faster initial penetration time than before, and eliminates the need for center punching.

  • Type: Step Drill Set.
  • Includes: HSS Sizes 1, 2, 4, 21.

Similar Drill Bit Products

Irwin 10225 Description

The single-fluted cutting edge of this step drill set assures true round holes, and allows greater control with less vibration. Its titanium Nitride finish causes less friction which increases speed and increases product life by 6X. The new SpeedPoint tip provides 6X faster initial penetration time than before, and eliminates the need for center punching.

  • Type: Step Drill Set.
  • Includes: HSS Sizes 1, 2, 4, 21.

Similar Drill Bit Products

$178.47Set
In Stock-

Ships between 03/18/2026 - 03/20/2026

ReturnThis item is non-returnable
Country of Origin

Made in the U.S.A.
This item is proudly made in the United States of America.

Irwin
Visit The Irwin Store
See more Irwin Vise-Grip Step Drills

Product Specifications

Part Number10225, 585-10225
Country of OriginUSA
Weight1.07-lb
UPC038548102252

Shop Top 100 Tools & Hardware Products.

View other Drill Bit Best Sellers.

Manufacturer Description

225 4 PC. GENERAL PURPOSE SET

  • New SpeedPoint tip provides 6X faster initial penetration time than before and eliminates the need for center punching. Single-fluted cutting edge assures true round holes and allows greater control with less vibration. Titanium Nitride finish causes les
  • Includes: HSS Sizes 1 2 4 21
  • Quantity: 4 per set
  • Type: Step Drill Set
  • Weight: 1.20 lb
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.
Irwin 4 PC. General Purpose Unibit Step Drill Set
$178.47Set
In Stock-

Ships between 03/18/2026 - 03/20/2026

ReturnThis item is non-returnable
Country of Origin

Made in the U.S.A.
This item is proudly made in the United States of America.

Similar Drill Bit Products

Irwin 10225 Description

The single-fluted cutting edge of this step drill set assures true round holes, and allows greater control with less vibration. Its titanium Nitride finish causes less friction which increases speed and increases product life by 6X. The new SpeedPoint tip provides 6X faster initial penetration time than before, and eliminates the need for center punching.

  • Type: Step Drill Set.
  • Includes: HSS Sizes 1, 2, 4, 21.

Product Specifications

Irwin
Visit The Irwin Store
Part Number10225, 585-10225
Country of OriginUSA
Weight1.07-lb
UPC038548102252

Shop Top 100 Tools & Hardware Products.

View other Drill Bit Best Sellers.

Manufacturer Description

225 4 PC. GENERAL PURPOSE SET

  • New SpeedPoint tip provides 6X faster initial penetration time than before and eliminates the need for center punching. Single-fluted cutting edge assures true round holes and allows greater control with less vibration. Titanium Nitride finish causes les
  • Includes: HSS Sizes 1 2 4 21
  • Quantity: 4 per set
  • Type: Step Drill Set
  • Weight: 1.20 lb
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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