| Hex Size: | 22 mm |
| Shank Length: | 108 mm |
| Flushing Hole: | 6.7 mm |
| Length Range: | 400 mm – 6000 mm |
| Thread Size: | R22 |
| Suitable for: | Granite Quarries, Underground Mining |
| Unique Feature: | Waterproof Coating in through hole |
They are also known as Hexagonal Hollow Drill Steel Rods with Taper End and Conical Drill Steel.
