Hunan New Diamond Construction Machinery Co., Ltd.
|Place of Origin:||Hunan, China (Mainland)|
|Brand Name:||New Diamond|
|Model Number:||NQL series|
|Minimum Order Quantity:||Negotiable|
|Packaging Details:||Carton packaging and wooden box packing|
|Delivery Time:||5-8 work days|
|Payment Terms:||L/C, T/T, Western Union|
|Supply Ability:||According to order quantity|
|Machine Type:||Drilling Equipment||Usege:||Mining&Construction&Water Well Drilling|
rock mining tools
NQL series Borewell Drilling Hammers without foot valve for Rock chisel
With professional manufacturing experience in DTH hammer production, our factory can supply you with high pressure and medium to low pressure DTH hammers. It strictly matches with API standard and other Chinese industry standards.It is durable for being produced with advanced craftwork and good material.
A, using the raw material of super coarse grain hard alloy, the alloy has been sintered under pressure to improve the hardness and toughness of the bit.
B, unique design, improve drilling speed, use significantly improve life.
C, select advanced steel to ensure that the overall performance of the bit is consistent.
D, after sale guarantee, to replace the bad goods package.
Widely used in mines, quarries, earthworks and other engineering drilling blasting hole, guardrail hole, mountain reinforcement, anchorage and other engineering holes, geothermal exploration hole, Well bore and other fields.
NQL Series High Air Pressure DTH Hammers Without Foot Valve
|External Diameter||Ø99mm||Ø126 mm||Ø165mm||Ø180/Ø185mm||Ø203mm|
|Connection Thread||API2 3”/8REG||
|API3 1”/2REG||API4 1”/2REG||API4 1”/2REG|
|Impact Rate at 17 Bar||30HZ||28HZ||25HZ||22HZ||22HZ|
|Recommended Rotation Speed||20-30r/min||20-35r/min||20-30r/min||15-25r/min||15-25r/min|
1. Price commitment: in order to ensure the high reliability of products, raw material selection are using grapefruit brand products; under the same competitive conditions, and not to reduce product technical performance on the basis of sincerity at a favorable price to customers.
2. Quality commitment: product manufacturing and testing have quality records and inspection data; the performance of the product can withstand customer inspection.
3. Customer service: in order to create new diamond brand, enhance the visibility of enterprises,establish corporate image, we serve customers with the principle of "preferential prices, good service, reliable product quality" principle.
The appearance of the picture is different from that of the actual product, and the actual product is the standard.
|NQL Series High Air Pressure DTH Hammers Without Foot Valve|
|“O” Ring Of Top Sub||0.01||0.015||0.015||0.015||0.01|
|“O” Ring Of Stop Ring||0.005||0.01||0.01||0.01||0.01|
Contact Person: Rick.liao