|Product model||DHD360 COP64 QL60|
|Application||Mining, quarry, water well, geothermal well,piling, foundation, slope reinforcement|
|Thread||API 3 1/2"Reg Pin|
|Shank||DHD360 COP64 QL60 without foot valve|
|Hole size||152~203mm (standard)>203mm (oversize)|
|Air pressure||Max 30bar|
|Rec. rotary speed||25~55 rpm|
|1||TOP SUB (can add carbides)|
|2||TOP SUB RING|
|10||BUSH DRIVE SUB|
|12||BIT RETAINING RING|
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.
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.