













🔧 Drill smarter, last longer — the pro’s choice for precision and power!
The Klein Tools KTSB15 Step Drill Bit #15 features a durable aluminum titanium nitride coating for 10x longer life, double-fluted design for cleaner cuts, and a robust 3/8-inch hex shank that ensures a secure grip. Designed for professionals demanding precision and reliability, this step drill bit offers easy-to-read markings for fast, accurate hole sizing and is backed by over 160 years of Klein’s trusted craftsmanship.






| Manufacturer | KLEIN TOOLS |
| Part number | KTSB15 |
| Item Weight | 159 g |
| Product Dimensions | 13.21 x 8.64 x 1.78 cm; 158.76 g |
| Item model number | KTSB15 |
| Size | 3-hole sizes |
| Color | Black |
| Style | Standard |
| Finish | Silver |
| Material | M2 Steel |
| Pattern | Solid |
| Shape | Rectangular |
| Power source type | Hand_powered |
| Item Package Quantity | 1 |
| Number Of Pieces | 3 |
| Measurement System | Inch |
| Included components | KTSB15 |
| Batteries Included? | No |
| Batteries Required? | No |
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