Irwin Step Drill #5-1/4 to 1-3/8 In. 10 SZ - 10235

Irwin Step Drill #5-1/4 to 1-3/8 In. 10 SZ - 10235

The IRWIN® Unibit® Step Drill No. 5, 1/4-Inch to 1-3/8-Inch, is an ideal bit for cutting precise holes in thin materials such as copper, plexiglass, laminates, wood and mild steel. It has a SpeedPoint® tip that starts cutting quickly and a single flute design that produces a perfectly round hole every time. The Irwin step drill bit also has laser-etched diameter indicators inside the flute that provide a permanent and easy-to-read drilling guide. Use this bit to cut holes from 1/4 inch to 1-3/8 inches in diameter in 10 steps. This Irwin drill bit has a 7/16-inch hex shaft that's easy to use with standard drill chucks or hex adapters.

Brand
Irwin Tools
Product identifiers
00038548101057
Exact variant
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Source updated
Fri Oct 09 2026 05:31:25 GMT+0000 (Coordinated Universal Time)
Imported
Thu Oct 08 2026 16:08:04 GMT+0000 (Coordinated Universal Time)

Advertiser-supplied specifications and terms

These are source claims, not independent testing. Shipping rates and discounts may have regional restrictions.

Condition
New
OriginalPrice
91.99
ShippingWeight
0.42
DiscountPercentage
8
ShippingWeightUnit
lb

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