













🔧 Drill smarter, faster, and cooler—because precision waits for no one.
The Klein Tools KTSB01 Step Drill Bit features a double-fluted design for faster, cooler cutting, 13 precise hole sizes with high-visibility silver step targets, and a robust 3/8-inch hex shank that ensures a secure, spin-free grip. Made from durable high-speed steel, this professional-grade bit delivers precision and longevity trusted by tradespeople since 1857.
| Manufacturer | KLEIN TOOLS |
| Part number | KTSB01 |
| Item Weight | 22.6 g |
| Product Dimensions | 13.46 x 8.64 x 0.51 cm; 22.68 g |
| Item model number | KTSB01 |
| Size | 13-hole sizes |
| Color | Multi |
| Style | Standard |
| Finish | Silver |
| Material | High Speed Steel (HSS) |
| Pattern | Solid |
| Shape | Rectangular |
| Power source type | Hand_powered |
| Item Package Quantity | 1 |
| Number Of Pieces | 13 |
| Measurement System | Inch |
| Included components | KTSB01 |
| Batteries Included? | No |
| Batteries Required? | No |
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