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⚡ Drill Smarter, Not Harder — The Only Step Bit You’ll Ever Need!
The Irwin 10234 Step Drill Bit offers 12 precise hole sizes from 3/16" to 7/8" in 1/16" increments, crafted from heat-treated industrial molybdenum steel for maximum durability. Featuring a SpeedPoint tip for fast, skid-free starts and a 3-flatted hex shank to prevent slipping, it’s engineered for flawless drilling in thin materials like stainless steel, aluminum, brass, and plastic. Backed by a lifetime warranty, this tool streamlines your toolkit and boosts efficiency on every project.





| ASIN | B00004THZ0 |
| Best Sellers Rank | #33,126 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #59 in Step Drill Bits #1,036 in Drill Bits |
| Brand Name | IRWIN |
| Customer Reviews | 4.6 4.6 out of 5 stars (634) |
| Finish Types | Black Oxide |
| Global Trade Identification Number | 00038548101040 |
| Included Components | STEP DRILL #4 3/16-7/8" 12 SZ |
| Item Type Name | STEP DRILL #4 3/16-7/8" 12 SZ |
| Item Weight | 0.27 g |
| Manufacturer | IRWIN |
| Material Type | High Speed Steel (HSS) |
| Minimum Bore Diameter | 0.19 inches |
| Model | 10234 |
| Number of Flutes | 1 |
| Number of Packs | 1 |
| Number of Pieces | 1 |
| Part Number | 10234 |
| Point Style | Taper Point |
| Set Name | Single Item |
| Shank Type | 3-Flat |
| Surface Recommendation | Aluminum,Brass,Copper,Steel,Wood |
| Tool Flute Type | Spiral |
| UPC | 795092534631 038548101040 752277668864 013317062265 640024790879 785533446074 |
| Unit Count | 1 Count |
| Warranty Description | Limited lifetime |
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