|Compatible with:||Tapered Button or Cross bits|
|Hex Size:||22 mm|
|Shank Length:||108 mm|
|Length Range:||400 mm – 6000 mm|
|Taper Angles:||7 and 12|
|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.