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Product Details:
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| Parts Name: | Tapered Rock Drill Rod | Material: | Carbon Steel |
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| Application: | Mining, Blasting,road Construction Hole Drilling | Processing Type: | Forging |
| Other Name: | Tapered Rock Drill Steels | Machine Type: | Drilling Tool |
| Thread Protector: | Plastic, Metal, Rubber | Shank: | H22x108mm |
| Shank2: | H19x108mm | Diameter: | 20-42mm |
| Length: | 400mm To 8000mm | Hole Diameter: | 19mm To 41mm |
| High Light: | tapered drill rod,integral drill rods |
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Shoulder Drive Drilling Tools,Shoulder Drive Tapered Drill Rod for rock lasting Hole Drilling
H thread steel is the most common steel and bits for customer using hand held rock drills. It is available in all 3 standard rock drill shank sizes - Hex.22*82.5, Hex.22*108, Hex.25*108 and is intended for general duty use. Bits are available from 35mm- 76mm.
1. The ordinary connection taper degree is 7º, 11º and 12º, other degrees like 4.8º, 6º and 9º are also available upon request;
2. The ordinary shank is Hex22 × 108mm, Hex25 × 159mm and other styles are also available if upon customers’ request;
3. The rod length must be specified in order;
4. In order to adapt to different rock conditions, the drill rod is selected by users.
Hex22mm / Hex25mm Rock Tapered Drill Rod , Blast Hole Drilling Tapered Rod
Tapered equipment affords drillers the ability to change drilling bits whilst still using the same drilling rod. Different taper sizes have different characteristics when it comes to the “knock-off” index – the smaller angle will prevent the bit from spinning.
• Suitable for small hole range
• Widely used in Dimensional Stone Quarrying Industry
• Widely used in Underground Mining Industry
1) Material: 40SiMnCrNiMo
2) Shank spec.: Hex19*108mm, Hex22*108mm, Hex25*108mm, Hex25*159mm
3) Taper connection: 7, 11, 12 degree
4) Length: 0.5m~6.0m
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Types of drill rods |
Specifications |
Length(mm) |
Shank |
Weight (kg) |
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Tapered drill rods |
Taper Angle: 4, 6, 7, 11, 12 degree |
400mm to 8000mm |
Hex22mm*108mm Hex25mm*159mm Hex19mm*108mm |
1.7 - 24.9 |
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Integral drill steel |
Bit diameter: 26mm, 28mm, 30mm, 32mm, 34mm, 36mm, 38mm, 40mm, 42mm |
400mm to 4800mm |
3 – 15.4 |
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Plug hole rods |
Chisel bit diameter: 17mm, 20mm, 22mm |
150mm to 710mm |
0.6 - 2.9 |
Tapered Drill Rod-11°
In our after sales service system, We establish perfect control system strictly according to ISO-9000 series, in this system, technology date and problem solve solution and preventive measures will be provided in any maintain project, all the spare parts will be used in new OEM products with installation instructions, packing list, manufacturer's instruction, qualification and Warranty certificate.
We provide "one equipment & one case, endless service, namely the after sales service begin from the order confirmation, last for the working life of the equipment.
Contact Person: Ms. Sekura Yu
Tel: +8613811398425
Fax: 86-10-57159802
