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🔧 Drill Smarter, Not Harder — The Only Bit You’ll Ever Need!
The Jerax 1/4"-1-3/8" M2 Step Drill Bit Unibit combines premium M2 High Speed Steel with advanced vacuum heat and nitride surface treatments for superior durability and sharpness. Featuring five clearly marked hole sizes and polished steps, it enables nonstop, precise drilling across a wide range of materials including stainless steel up to 12 gauge. Engineered with CNC precision, this versatile bit delivers fast, clean cuts, making it an essential upgrade for professionals and DIYers seeking efficiency and reliability.
| ASIN | B094VN88HK |
| Best Sellers Rank | #2,056 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #3 in Step Drill Bits |
| Brand | Jerax tools |
| Brand Name | Jerax tools |
| Customer Reviews | 4.6 out of 5 stars 657 Reviews |
| Cutting Angle String | 118 degrees |
| Cutting Diameter | 1.38 inches |
| Finish Type | Nitridation |
| Finish Types | Nitridation |
| Item Dimensions | 1.38 x 1.38 x 3.55 inches |
| Item Highlight | M2 High Speed Steel; Fast, Clean Cuts in Stainless Steel, Copper, Aluminum, Wood, Plastic |
| Item Weight | 1.6 ounces |
| Manufacturer | Jerax tools |
| Material | High Speed Steel (HSS) |
| Material Type | High Speed Steel (HSS) |
| Minimum Bore Diameter | 0.88 inches |
| Model | STG1-3/8 |
| Number of Flutes | 2 |
| Part Number | STG138 |
| Point Style | Split Point |
| Shank Type | Straight |
| Surface Recommendation | Stainless,Wood,Aluminum,Copper,Plastic,Steel |
| Tool Flute Type | Straight |
| Unit Count | 1 Count |
K**Y
Welders give it a thumbs up.
Welders gave me the thumbs up. Quality tool for the cost. Ease of use. No problems. Different sizes make it space saving & cost effective. My understanding is, it's sharp & good cut. Strong materials.
A**R
Functional product
quality product, worked as expected would buy again
J**S
Drilled a hole in stainless steel as advertised!
As advertised, this made short work of drilling a new hole in a stainless steel sink. I was a bit skeptical when ordering however it worked really well and looks like it will continue to be usable for some time. If drilling a lot of holes in stainless this is probably not the ideal tool but for the occasional work it knocked it out of the park. Recommended!
C**R
SINK HOLE MAKER
When drilling stainless steel, you MUST USE OIL and YOU MUST DRILL SLOWLY (starting & stoping not continuous). If you drill continuously instead of cutting the metal, heat will build up and can discolor the metal. Once used properly this bit is vital for the job.
P**3
Step bit
Works great right now after 1 use see how long it lasts
T**R
Perfect for my use
Used make a hole in metal siding in pole barn. The max size for this bit is exactly perfect for one inch pvc conduit.
J**L
La durabilidad
Muy duradera
P**S
Excellent step drill!
Works great! Good buy!
M**X
Jerax tools
Great tool, it works well. Came on time
D**N
Excellent Bit
Bought this bit to make a hole in my stainless steel sink. It worked very well! Would recommend buying it.
Trustpilot
3 weeks ago
2 months ago