High Quality Alloy Steel DHD3.5-90 Button Dth Rock Drilling Hammer Bit
- Product Description
- 1 Applications: Quarry, mining & well drilling
- 2 Bit Diameter: 90mm
- 3 Shank type: DHD/SD/QL/MISSON
- 4 Color: As request
- 5 Face Shape: Flat, Concave, Covex & drop center face
- 6 Carbide button shape: Parabolic, Ballistic, Sharp & Domed
- 7 Material: Tungsten carbide and hard alloy steel
Q: How about your after-sales service?
A:1. Our sales team will response for your question within 24 hours (Holidays Excluded)
2. Technical Support will be available in any time
3. Free replacement will provide once the failure confirmed caused by our product quality
Q: What are your shipping methods?
A: Sample order: We suggest Courier express like DHL/UPS/TNT/FEDEX or by air
Bulk order: We suggest by air or by sea.
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