1/4"-1-3/8" M2 Step Drill Bit Unibit for Hole Drilling 5 Sizes
15 sold in last 24 hours
- [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.
- [Heavy duty]: Cuts holes on Stainless steel (need appropriate pressure), 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 5 marked sizes so you can drill 5 different hole sizes, saving you time and efforts to change bits. Marked sizes including: 7/8", 1-1/8", 1-7/32", 1-1/4", 1-3/8".
Tags |
Estimated shipping
Select a product to estimate shipping.Made of high grade M2 High Speed Steel and can cut 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.
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.
With our high-accuracy CNC processing and optimized spiral design over the years, our spiral flutes design cuts EASY, FAST and CLEAN, outperforming the average ones on the market. Additional Vacuum heat treatment and Nitride surface hardening treatment make the performance better and long-lasting.
Visit Jerax tools Store to know more!
Product details







| Main Specification | |
|---|---|
| Overfladeindstilling | Træ or Stål or Plastic or Aluminium or Kobber or Stainless |
| Fremstiller | Jerax Tools |
| Enhedstælling | 1 Antal |
| Cutting Diameter | 1.38 Inches |
| Punktstil | Split Point |
| Shank Type | Straight |
| Tool Flute Type | Straight |
| Mærke | Jerax Tools |
| Cutting Angle String | 118 Degrees |
| Antal stykker | 1 |
| Materiale | High Speed Steel (Hss) |
| Afslut type | Nitridation |
| Vægt | 1,6 ounces |
| Technical Details | |
| Delnummer | STG138 |
| Model | STG1-3/8 |
| Materialetype | High Speed Steel (HSS) |
| Number of Flutes | 2 |
| Style | |
| Afslut typer | Nitridation |
| Measurements | |
| Varens dimensioner | 1.38 x 1.38 x 3.55 inches |
| Others | |
| Varens højdepunkt | Kobber or Plastic or Træ or Aluminum or Fast or M2 High Speed Steel or Clean Cuts in Stainless Steel |
| Produkttype | Step Drill Bits |
| Minimum Bore Diameter | 0.88 inches |













