1/8"-1/2" Quick Change M2 Step Drill Bit Unibit Hole Drilling
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- [M2 HSS]: Cuts A LOT MORE CLEAN holes and much EASIER than average step bits. In general, M2 has 50% more Tungsten and 150% more Molybdenum, both of which are key elements in improving durability. Our additional Vacuum heat treatment and Nitride surface hardening treatment make the performance even better.
- [Non-stop]: Our Polished Steps and Size Highlights let you able to see target hole size during drilling. No need to stop in the middle of the drilling and check. Save you time and hassle.
- [Easier | Faster | Cleaner]: With our high-accuracy CNC processing and several optimized design details over the years, our design cuts EASY, FAST and CLEAN, outperforming the average ones on the market. Comes with Quick change 1/4 inch hex shank for quick bit switches and compatible with impact ready power tools
- [Heavy duty]: Cuts holes on Stainless steel, Hardened Metal, Mild steel, Galvanized steel, Aluminum, Copper, Plastic, Wood, or anything that has similar or lower hardness as these materials. Up to 12ga /2.7mm thickness for Stainless steel.
- [Multi Hole Sizes]: No need to buy a kit. This one step bit comes with 13 marked sizes so you can drill 13 different hole sizes, saving you time and efforts to change bits. Marked sizes including: 1/8", 5/32", 3/16", 7/32", 1/4", 9/32", 5/16", 11/32", 3/8", 13/32", 7/16", 15/32", 1/2".
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Select a product to estimate shipping.Made of M2 HSS
Material is the foundation of a tool. Cheap material will not only be unable to finish the job but also cause extra work of trying and replacing. With decades of experience, we use the most approriate material along with proper treatment to make sure it does the job perfectly and at a low cost.
Quick Change Handle
Heavy Duty
Manufacturing conformance, Tolerance and Consistency are the three aspects we care most about. We make sure the products are made to our original design so they do the job as we want them to. We use proper processing so the tolerance is well controlled. And we have a quality control team and system to make sure every batch is the same quality.
Product details




| Main Specification | |
|---|---|
| Surface Recommendation | Wood or Steel or Plastic or Aluminum or Copper or Stainless |
| Manufacturer | Jerax Tools |
| Unit Count | 1 Count |
| Cutting Diameter | 0.5 Inches |
| Point Style | Step Point |
| Shank Type | Hex |
| Tool Flute Type | Straight |
| Brand | Jerax Tools |
| Number of Pieces | 13 |
| Material | High Speed Steel (Hss) |
| Finish Type | Nitridation |
| Product information | |
| Number of Packs | 1 |
| Set Name | 1/8" - 1/2" Set |
| Technical Details | |
| Part Number | QC-SDB-1/2" |
| Model | JTQSD001 |
| Material Type | High Speed Steel (HSS) |
| Number of Flutes | 2 |
| Style | |
| Finish Types | Nitridation |
| Measurements | |
| Item Dimensions | 0.4 x 0.4 x 2.8 inches |
| Others | |
| Item Highlight | Copper or Plastic or Wood or Aluminum or Fast or M2 High Speed Steel or Double Straight Flutes or for Hole Drilling in Stainless Steel |
| Product Type | Step Drill Bits |
| Minimum Bore Diameter | 0.13 inches |










