High Quality 11 Degree Tapered Drill Rod Small Hole Drilling Tools
Suitable model:
The tapered drill rods are used for Penumatic rock drill and
Hydraulic rock drill.Medium hard to hard and abrasive rock
formations.
Advantages:
1, Workmanship: taper rod with carburize treatment.
2, tapered drill rods have a tough life, transferring the
percussion energy from rock drill to drilling bit and then into the
rock. They’re also subjected to high bending stress, not to mention
corrosive water in the flushing hole.
| SPECIFICATIONS FOR H22 TAPER DRILL ROD |
| Item | Specification | Choice | OEM Service |
| Product Name | H22 Taper Drill Rod | H22 Taper Drill Rod | Available |
| Material | 55SiMnMo | 95CrMo | Not Availbale |
| Diameter | 22mm | Not Available | Available |
| Length | 915-6095mm | Not Available | Available |
| Taper Degree | 11 Degree | 7 Degree | Not Availbale |
| Weight | 3kg/meter | Not Available | Not Availbale |
| Uses | Underground Drilling | Underground Tunneling | Available |
| Color | Green | Blue,yellow | Available |
Main Features
1) High quality;
2) High resistance;
3) High footage speed;
4) Very low breakage;
Spherical Button Bit Chart:
| Part Number | Description | Length (mm) | Length (ft/inch) | Ø (mm) | Ø (inch) | Weight (kg) |
| 4148300781 | MF39-T38-915 | 915 | 3 | 39 | 1 1/2 | 10.7 |
| 4148300782 | MF39-T38-1220 | 1220 | 4 | 39 | 1 1/2 | 13.3 |
| 4148300783 | MF39-T38-1525 | 1525 | 5 | 39 | 1 1/2 | 15.8 |
| 4148300784 | MF39-T38-1830 | 1830 | 6 | 39 | 1 1/2 | 18.3 |
| 4148300785 | MF39-T38-3050 | 3050 | 10 | 39 | 1 1/2 | 28.5 |
| 4148300786 | MF39-T38-3660 | 3660 | 12 | 39 | 1 1/2 | 33.6 |
| 4148300787 | MF39-T38-4270 | 4270 | 14 | 39 | 1 1/2 | 38.7 |
| 4148300788 | MF39-T38-4880 | 4880 | 16 | 39 | 1 1/2 | 43.7 |
| 4148300789 | MF39-T38-5530 | 5530 | 18 1/7 | 39 | 1 1/2 | 49.2 |
| 4148300790 | MF39-T38-6095 | 6095 | 20 | 39 | 1 1/2 | 53.9 |
1. Shipping time for an order
We have many stock. As usual, we can delivery the goods as soon as
we get the full payment.
2. Quality Control
Strict inspection and testing for every order before shipping out .
3.How can we trust your company?
We support trade insurance. Protect products quality, shipment on
time and your covered amount.
How to choice the taper degree?
Different rock formations and rock drills require different taper
angles. When drilling with high impact hydraulic rock drills in
medium-hard to hard and abrasive rock formations, a wide taper
angle is normally used. Taper angles of 11 and 12-degrees are
normally used on modern drill rigs.
For low impact rock drills and softer rock formations, a narrow
taper angle of seven degrees is used. A 7-degree angle can also be
used if bit spinning is a problem when using 11 and 12-degree
equipment.
In addition, a 4,46 degree angle is ideal for soft rock when you're
using pneumatic or hydraulic drill rigs - to prevent bits from
spinning or becoming detached.
Generally, the lightduty rock drill uses 7 taper or smaller taper
angle, the heavyduty rock drill mainly uses 12 taper angle.
Packing:
The MIROC® Rock Drilling Tools product line by KSQ Technologies (Beijing) Co.Ltd.
is the result of years of advanced engineering, precision
manufacturing, and dedication to the use of high-quality materials.
Our productions are used by many drilling professionals related to
mining, construction, tunneling, and quarrying projects around the
globe.
