API Standard Symmetrix Overburden Drilling System
Specifications unit:mm
| Product type | Casing OD | Casing wall max. | Ring bit ID | Ring bit OD | Pilot bit OD | Hammer |
| HSOD114 | 114.3 | 6/10 | 91/78 | 128/124 | 100/92.5 | HD35 |
| HSOD127 | 126.7 | 7 | 99 | 140 | 110 | HD35 |
| HSOD140 | 139.7 | 7/10 | 116/94 | 154/150 | 124/117.5 | HD45,HQL4 |
| HSOD168 | 168.3 | 8/12.7 | 142/121 | 182/178 | 150/140 | HD55,HQL5 |
| HSOD178 | 178.3 | 10 | 145 | 195 | 156 | HD55,HQL5 |
| HSOD194 | 193.7 | 6/12.7 | 167/148 | 212/203 | 180/167 | HD65,HQL6 |
| HSOD219 | 219.1 | 7/12.7 | 186/167 | 234 | 203/191 | HD65,HQL6 |
| HSOD273 | 273 | 8/12.7 | 232/219 | 292 | 255/246 | HD85,HQL8 |
| HSOD325 | 323.9 | 8/12.7 | 281/270 | 342/342 | 306/297 | HD85,HSD8 |
| HSOD406 | 406.4 | 12.7 | 328 | 419 | 374 | HSD10,HN125 |
| HSOD508 | 508 | 15 | 412 | 526 | 470 | HD475,SD15 |
| HSOD609 | 609.6 | 15 | 513 | 637 | 570 | HD525,SD18 |
Production process
01.Raw materials cutting
02.Forging
03.Numerical control operation
04.Through rough finish
Turning/spines mining
05.Heat treatment (8hours)
06.Button bits fitting
07.Fine finishing
08.Quality test;
09.Finished products
10.Packing and transportation
Inquiry note
To provide you with efficient service, the inquiry note can be help. more details can be negotiated, welcome.
In order to quote you the best price, please tell us the details as following:
01.Grade and specification or drawings;
02.Quantity and quality level;
03.Operation environment;
04.Other special requirement.
Packing & shipping payment
Packing details can be customized as per your requirement
Timely shipment can be made upon our negotiation
The information you may like to know before order:
1. Methods of Payment:
T/T (Telegraphic Transfer) or Western Union or L/C at sight,onetouch.cn,Escrow,Paypal
2. Handling time for an order
Based on order quantity, normally it takes 25 days for production.
Only 2 or 3 days if we have stock on your request size.
3. Shipping way
Sample order: we suggest Courier express like DHL/UPS/TNT/FEDEX or by air
Bulk order: we suggest by air or by sea.
4. Quality Control
We have our own experienced QC.
There will be strict inspection and testing for every order before shipping out.
5. After Services:
1. Our sales team will response for your question within 24 hours (Holidays Excluded)
2. Technical Support will be available in any time
3. Free replacement will provide once the failure confirmed caused by our product quality
Company Information
About Us:
1. Our factory has been specialized in manufacturing drilling tools and spare parts since 1980.
2. We have advanced technology and equipment.
3. Our technician has more than 36 year's professional working experience.
4. Rock drilling tools are exported throughout the world. Main market: Brazil,Chile, Colombia, Uruguay, Australia,Ukraine,Russia, ,Norway, Turkey, USA,Canada, Iran, Malaysia, Thailand, India, etc.
Certificate:
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