







🔧 Drill Smarter, Not Harder — Own Every Hole Like a Pro!
The ZELCAN Step Drill Bits Set features 5 titanium-coated high-speed steel bits with four spiral flutes, offering 50 incremental sizes from 1/8" to 1-3/8". Designed for metal, wood, and plastic, it delivers fast, smooth drilling with heat resistance and chip evacuation. The quick-release 1/4" hex shank and included storage case ensure convenience and durability for professional-grade performance.







| Manufacturer | CO-Z |
| Part number | SDB-2023-05 |
| Item Weight | 449 g |
| Product Dimensions | 12.5 x 5 x 16 cm; 449 g |
| Item model number | SDB-4M35-3178 |
| Size | 50 Sizes, 1/8" to 1-3/8" |
| Style | 5PCS HSS Four Spiral Flute NEW STYLE |
| Finish | Titanium Nitride |
| Material | High Speed Steel |
| Item Package Quantity | 1 |
| Number Of Pieces | 5 |
| Included components | step drill bit |
| Batteries Included? | No |
| Batteries Required? | No |
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