













🔧 Drill smarter, last longer — the pro’s choice for precision and power!
The Klein Tools KTSB15 Step Drill Bit features a durable aluminum titanium nitride coating for 10x longer life, a secure 3/8-inch hex shank to prevent slipping, and laser-etched step markings for precise hole sizing from 7/8" to 1-3/8". Its double-fluted design ensures clean cuts and efficient chip removal, making it ideal for steel, wood, plastic, and aluminum applications. Engineered for professionals who demand reliability and accuracy.






| Material | M2 Steel |
| Cutting Diameter | 22.23 Millimeters |
| Finish Type | Silver |
| Shank Type | Hex |
| Brand | KLEIN TOOLS |
| Item dimensions L x W x H | 5.2 x 3.4 x 0.7 inches |
| Tool Flute Type | Straight |
| Point Style | Step Point |
| Surface Recommendation | Steel, Aluminum, Wood, Plastic |
| Number of Flutes | 2 |
| UPC | 092644591150 |
| Unit Count | 1.0 Count |
| Global Trade Identification Number | 00092644591150 |
| Manufacturer | Klein Tools |
| Part Number | KTSB15 |
| Item Weight | 7.4 ounces |
| Product Dimensions | 5.2 x 3.4 x 0.7 inches |
| Item model number | KTSB15 |
| Is Discontinued By Manufacturer | No |
| Size | 3-hole sizes |
| Color | Black |
| Style | Standard |
| Finish | Silver |
| Pattern | Solid |
| Shape | Rectangular |
| Power Source | Hand_powered |
| Item Package Quantity | 1 |
| Measurement System | Inch |
| Included Components | KTSB15 |
| Batteries Included? | No |
| Batteries Required? | No |
| Warranty Description | Normal life of the product |
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