Description
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Rock drill rod H22 11 degree 4ft taper rod for mining tunneling
Suitable model:
The tapered drill rods are used for Penumatic rock drill and Hydraulic rock drill. Such as YT24, YT27, YT28, YT29.
Medium hard to hard and abrasive rock formations.
Tapered drill rods specifications:
The relationship between taper angle and taper end diameter | |||
Taper degree | Short/Long | Taper end | |
 | 4°46′ | Short skirt | 19.1mm |
7° | Short skirt | 16.0mm | |
11° | Short skirt | 18.0mm | |
12° | Short skirt | 16.8mm | |
| 12° | Long skirt | 14.9mm | |
H22x108mm shank, 4°46′ 7°11°12° taper degree | |||
Length(L) | Part Number | Weight | |
mm | Foot/inch | Kg | |
400 | 1’33/4” | TRH22L0400 | 1.7 |
800 | 2’71/2” | TRH22L0800 | 2.9 |
1830 | 6′ | TRH22L1830 | 6.0 |
| 2000 | 6’63/4” | TRH22L2000 | 6.5 |
2435 | 8′ | TRH22L2435 | 7.8 |
| 3050 | 10′ | TRH22L3050 | 9.9 |
| 3200 | 10’6” | TRH22L3200 | 10.1 |
4000 | 13’13/8” | TRH22L4000 | 12.7 |
4800 | 15’87/8” | TRH22L4800 | 15.1 |
| 5600 | 18’45/18” | TRH22L5600 | 17.5. |
6400 | 21′ | TRH22L6400 | 20.0 |
| 7200 | 23’71/4” | TRH22L7200 | 22.4 |
8000 | 26’23/4” | TRH22L8000 | 24.9 |
Tapered Drill Rod Advantages:
1.High fatigue strenge and toughness for efficient and economic drilling operation.
2. Fully-carburzied tapered drill rods for superior wear resisent and service life.
More product:
Company profile:
FAQ
Q: Are you trading company or manufacturer ?
A: We are a real manufacturer, welcome to visit our factory anytime.
Q: How long is your delivery time?
A: Generally it is 2-5 working days if the goods are in stock. or it is 15-20 working days if the goods are not in stock, also it is according to quantity.
Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample for free charge but do not pay the cost of freight.
Q: What kind of payment terms do you offer and what is your best payment terms?
We offer different payment terms, including T/T, D/A, D/P, L/C and O/A, etc.
Our best payment terms is 120 days after shipping date for our distributors and sole distributors.
If you need any rock drilling tools, please contact our company:
Elsa
Email:bruce@kingkongdrillsltd.com
Elsa@kingkongdrillsltd.com
Whatsapp/wechat:+86 17638571343
www.kingkongdrillsltd.com
www.kingkongdrillslimited.com
www.chinadrillingtools.cn
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