We provide good power in high-quality and progress,merchandising,revenue and internet marketing and operation for Reverse Circulation Drill Pipe, Dth Drilling Bit, Reverse Circulation Water Well Drilling, We take quality as the foundation of our success. Thus, we focus on the manufacture of the best quality products. A strict quality management system has been created to ensure the quality of the products.
OEM Supply Down The Hammer Hole Drilling - 6″ DTH Hammer valveless DHD360 COP64 QL60 Shank – Spark Detail:
Specification
| Brand Name |
SPARK |
| Product model |
DHD360 COP64 QL60 |
| Application |
Mining, quarry, water well, geothermal well,piling, foundation, slope reinforcement |
| Thread |
API 3 1/2″Reg Pin |
| Outer diameter |
148mm |
| Shank |
DHD360 COP64 QL60 without foot valve |
| Hole size |
152~203mm (standard)>203mm (oversize) |
| Air pressure |
Max 30bar |
| Air consumpation |
20m³/min(18Bar) |
| Rec. rotary speed |
25~55 rpm |
| Weight |
96kg~100kg |
Item Description
| ITEM DESCRIPTION |
 |
NO |
PART LIST |
| 1 |
TOP SUB (can add carbides) |
| 2 |
TOP SUB RING |
| 3 |
CHECK VALVE |
| 4 |
SPRING |
| 5 |
SHOCK RING |
| 6 |
AIR DISTRIBUTOR |
| 7 |
INNER CYLINDER |
| 8 |
PISTON |
| 9 |
OUTER CYLINDER |
| 10 |
BUSH DRIVE SUB |
| 11 |
O RING |
| 12 |
BIT RETAINING RING |
| 13 |
CHUCK SLEEVE |
For the valveless hammer, we also have other size for your choice: 3.5″, 4″, 5″,6″, 8″, 10″,12″. If you need more information, please contact our sales for details.
We Also Have Other Series Hammers With Foot Valve, The Advantage Are As Follows
1. The hammers adopts high frequency design, the impact frequency is close to the valveless hammer.
2. All the parts are made of high quality special steel, and the surface is hardened, and the surface finish is improved, which can ensure good wear resistance and long lifetime.
3. Simple struture, high realiablity, easy to disassemble and maintain.
4. The impact power is higher than valveless type. It is very suitable for water well drilling. The cuttings will not reverse into the hammer.
Product package: We wrap the hammers in a plastic bag, then put it in plywood case, and then strap the case.

Product detail pictures:
Related Product Guide:
Our aim is usually to give superior quality items at aggressive rates, and top-notch company to clients around the earth. We have been ISO9001, CE, and GS certified and strictly adhere to their good quality specifications for OEM Supply Down The Hammer Hole Drilling - 6″ DTH Hammer valveless DHD360 COP64 QL60 Shank – Spark , The product will supply to all over the world, such as: Greece, Madras, Georgia, We follow up the career and aspiration of our elder generation, and we are eager to open up a new prospect in this field, We insist on Integrity, Profession, Win-win Cooperation, because we have a strong backup, that are excellent partners with advanced manufacturing lines, abundant technical strength, standard inspection system and good production capacity.