Customized Size Down The Hole Hammer Bits With Excellent Wear Resistance

Basic Information
Place of Origin: Hunan, China (Mainland)
Brand Name: New Diamond
Certification: ISO9001:2008
Model Number: SD4A
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): 260mm
Number Of Vents: 2 Head Shape: Flat Face Bit/Concave Face/Convex Face
Material: Alloy Steel Spline Key Number: 8

Product Description

SD4A High wear-resistant type DTH hammer bits



Made of high-quality steel and carbide as raw materials. After special heat treatment, the ball-toothed drill bit can meet the requirements of rock formation with strong hardness and minimize the loss during energy transmission. Uniform tooth force is not easy to drop teeth and tooth removal, so that the impact energy can be concentrated on the rock to achieve efficient tunneling.



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.




SD4A Head shape



Number of vents NO X button diamter weight (KG)
Toothed Gauge Front
SD4A Concave Face 105 2 Round button 8XØ14 6XØ14 -
Concave 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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Customized Size Down The Hole Hammer Bits With Excellent Wear Resistance

Contact Details

WhatsApp : +8618692219720