







🔧 Drill Smarter, Not Harder — The Ultimate Step Bit Upgrade
This 3/16-7/8 inch M2 HSS spiral step drill bit features 12 marked sizes for versatile hole drilling across stainless steel, metal, wood, and plastic. Enhanced with vacuum heat treatment and nitride surface hardening, it offers superior durability and cleaner cuts. Designed with polished steps and CNC precision, it saves time by allowing continuous drilling without stopping to check sizes.







| Material | High Speed Steel (HSS) |
| Shank Diameter | 0.38 Inches |
| Cutting Diameter | 0.88 Inches |
| Finish Type | Nitridation |
| Shank Type | Straight |
| Cutting Angle String | 118 Degrees |
| Brand | Jerax tools |
| Item dimensions L x W x H | 0.98 x 0.98 x 3.55 inches |
| Tool Flute Type | Spiral |
| Point Style | Step Point |
| Surface Recommendation | Stainless,Wood,Plastic,Metal,Steel |
| Number of Flutes | 2 |
| Unit Count | 1 Count |
| Manufacturer | Jerax tools |
| Part Number | SPG7/8 |
| Item Weight | 3.2 ounces |
| Product Dimensions | 0.98 x 0.98 x 3.55 inches |
| Item model number | SPG7/8 |
| Size | 7/8"(Spiral) |
| Finish | Nitridation |
| Item Package Quantity | 1 |
| Measurement System | Imperial, Metric |
| Batteries Included? | No |
| Batteries Required? | No |
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