QL40 DTH Hammer Bits Alloy Steel Material 280mm No Head Length With Tail Pipe

Basic Information
Place of Origin: Hunan, China (Mainland)
Brand Name: New Diamond
Certification: ISO9001:2008
Model Number: QL40
Minimum Order Quantity: Negotiable
Price: Negotiable
Packaging Details: Carton packaging and wooden box packing
Delivery Time: 5-8 work days
Payment Terms: Western Union, T/T, L/C
Supply Ability: According to order quantity
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Detail Information
Diameter (mm): 105-127mm No Head Length(mm): 280mm
Number Of Vents: 2 Head Shape: Flat Face Bit/Concave Face/Convex Face
Material: Alloy Steel Spline Key Number: 10

Product Description

QL40 DTH hammer bits with tail pipe



1. has higher drilling speed.

2. can provide hardening treatment in order to prolong the service life and reduce the cost of use.

3. single impact power is large, and the power consumption of broken rock is low.

4.piston and bit weight to have the best momentum transfer.

5. the modern theory is adopted in the structural design, which makes the stress wave duration longer, the stress amplitude is lower, and the piston life is long.



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.




QL Head shape Diameter (mm) Number of vents NO X button diamter weight (KG)
Toothed Gauge Front
QL40 Flat Face Bit 105 2 Round Button 8XØ14 6XØ13 -
Concave Face 115 2 Round Button 8XØ14 6XØ14 -
Convex Face 127 2 Round Button 8XØ14 7XØ14 -
We can design and manufacture according to customers requirement of the bit diameter,the NO.of air holes,carbide buttons and the face shape.


Feature Advantage

1. Price commitment: in order to ensure the high reliability of products, raw material selection are usinggrapefruit brand products; under the same competitive conditions, and not to reduce product technicalperformance 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, reliableproduct quality" principle.


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QL40 DTH Hammer Bits Alloy Steel Material 280mm No Head Length With Tail Pipe

Contact Details

WhatsApp : +8618692219720