Tapered Drill Rods
Tapered drill rods made of hexagonal hollow steels have two sizes of H22 and H25, applicable to small pneumatic or hydraulic drill to shallow hole drilling. The combination of tapered drill rods and tapered button bits has different lengths for various applications. It is widely used in rock drilling, hole enlargement in the fields of quarrying, mining, road excavation and building construction.
Maxdrill’s tapered drill rods have different series of the standard taper degree, 7°, and the internationally common degree, 12°. 7° tapered drill rods are usually used in small rock drills while 11° and 12° rods used in large rock drills. We produce tapered drill rods that are Ф25 in the standard diameter, Ф22 and other diameters based on customers’ needs. Contact us for more information.
Specifications- Size: Hex.22mm, Hex.25mm
- Taper degree: 6°, 7°, 11°, 12°
- Length: 0.4 to 10m
- Package: in plywood or in bundle
- Productivity: 50,000MT/month
| Drill rod | Dimensions L | Dimensions D | Part no | |||
| mm | ft | in | mm | in | ||
| Hex shank 22*108 mm | 600 800 1200 1600 2400 3200 4000 | 2 2 3 5 7 10 13 | - 7 11 - - 6 - | 22 22 22 22 22 22 22 | 7/8 7/8 7/8 7/8 7/8 7/8 7/8 | 10220606 10220806 10221206 10221606 10222406 10223206 10224006 |
| Hex shank 25*108 mm | 800 1600 2400 3200 4000 | - 4 6 8 10 | - - - - - | 25 25 25 25 25 | 1 1 1 1 1 | 10250806 10251606 10252406 10253206 10254006 |
| Drill rod | Dimensions L | Dimensions D | Part no | |||
| mm | ft | in | mm | in | ||
| Hex shank 22*108 mm | 600 800 1200 1600 2400 3200 4000 | 2 2 3 5 7 10 13 | - 7 11 - - 6 - | 22 22 22 22 22 22 22 | 7/8 7/8 7/8 7/8 7/8 7/8 7/8 | 10220607 10220807 10221207 10221607 10222407 10223207 10224007 |
| Hex shank 25*108 mm | 800 1600 2400 3200 4000 | - 4 6 8 10 | - - - - - | 25 25 25 25 25 | 1 1 1 1 1 | 10250807 10251607 10252407 10253207 10254007 |
| Drill rod | Dimensions L | Dimensions D | Part no | |||
| mm | ft | in | mm | in | ||
| Hex shank 22*108 mm | 610 1220 1830 2000 2440 3050 3200 3660 | 2 4 6 6 8 10 10 12 | - - - 7 - - 6 - | 22 22 22 22 22 22 22 22 | 7/8 7/8 7/8 7/8 7/8 7/8 7/8 7/8 | 10220611 10221211 10221811 10222011 10222411 10223011 10223211 10223611 |
| Drill rod | Dimensions L | Dimensions D | Part no | |||
| mm | ft | in | mm | in | ||
| Hex shank22*108 mm | 610 1220 1830 2000 2440 3050 3200 3660 | 2 4 6 6 8 10 10 12 | - - - 7 - - 6 - | 22 22 22 22 22 22 22 22 | 7/8 7/8 7/8 7/8 7/8 7/8 7/8 7/8 | 10220612 10221212 10221812 10222012 10222412 10223012 10223212 10223612 |
