Audited Supplier
Replace If Quality Problems
3 Months
ISO 9001:2000, CNAS
GB
Spray-Paint
Forging
Carbon Steel
DTH Hammer Bit
Flat Face Bit, Convex Face Bit, Concave Face Bit
Forging+Machining+Surface Treatment
Spherical/Ballistic/Parabolic/Sharp/Falt Bottons
as Request
135-165mm
50-65(mm)
Accepted for High Speed Drill Bit
6-8buttons
DHD350r
Hard Formation
Zezon
as Request
As request
China
Product Description
4" COP44 HD45 DHD340 SD4 QL40 HM4 85mm~105mm high air pressure dth bit
Products Description:
| Product Specification | Size | Head Diameter | Part No. | Shank Length | Spline | Weight |
| (inch) | (mm) | (mm) | (Kg) | |||
| DHD25/HD25/COP25 | 2 inch | 76 | 90515322 | 174 | 6 | 3.2 |
| 80 | 90515323 | 174 | 6 | 3.3 | ||
| 85 | 90515324 | 174 | 6 | 3.4 | ||
| 90 | 90515325 | 174 | 6 | 3.5 | ||
| DHD3.5/HD35/COP3.5 | 3 inch | 90 | 90515317 | 180 | 8 | 4.7 |
| 95 | 90515319 | 180 | 8 | 4.8 | ||
| 100 | 90515320 | 180 | 8 | 4.9 | ||
| 108 | 90515321 | 180 | 8 | 5.4 | ||
| DHD340/HD45/COP340 | 4 inch | 108 | 90513713 | 209 | 8 | 7.85 |
| 115 | 90513715 | 209 | 8 | 8.22 | ||
| 127 | 90513716 | 209 | 8 | 8.88 | ||
| 130 | 90515203 | 209 | 8 | 9.15 | ||
| DHD350/HD55/COP350 | 5 inch | 140 | 90515101 | 260 | 8 | 15.8 |
| 146 | 90514483 | 260 | 8 | 16.5 | ||
| 152 | 90514973 | 260 | 8 | 17 | ||
| 165 | 90515423 | 260 | 8 | 18.9 | ||
| 178 | 90514712 | 260 | 8 | 20.4 | ||
| DHD360/HD65/COP360 | 6 inch | 154 | 90515676 | 308.5 | 8 | 22.5 |
| 165 | 90515615 | 308.5 | 8 | 23.6 | ||
| 171 | 90515638 | 308.5 | 8 | 25.2 | ||
| 178 | 90515661 | 308.5 | 8 | 26.1 | ||
| 190 | 90515594 | 308.5 | 8 | 29 | ||
| 203 | 90515709 | 308.5 | 8 | 30.4 | ||
| DHD380/HD85/COP380 | 8 inch | 203 | 90516139 | 350 | 10 | 48.5 |
| 216 | 90516071 | 350 | 10 | 52.1 | ||
| 230 | 90516056 | 350 | 10 | 54.8 | ||
| 235 | 90516151 | 350 | 10 | 55.5 | ||
| 254 | 90516244 | 350 | 10 | 62.4 | ||
| 275 | 90516232 | 350 | 10 | 69 | ||
| 305 | 90516244 | 350 | 10 | 77.6 | ||
| DHD1120 | 12inch | 305 | 52094471 | 490 | 8 | 141.3 |
| 311 | 52094448 | 490 | 8 | 141.6 | ||
| 325 | 52094455 | 490 | 8 | 164.3 | ||
| 350 | 52094422 | 490 | 8 | 169.1 | ||
| 381 | 52334281 | 490 | 8 | 183 | ||
| 400 | 52094414 | 490 | 8 | 194 | ||
| 445 | 52094398 | 490 | 8 | 225.7 | ||
| 500 | 52096021 | 490 | 8 | 331.2 |
1. High and low air pressure down-the -hole drill bits.
2. Low air pressure hole Dia.: 65-220mm.
3. High air pressure hole Dia.: 85-305mm.
4. Face type: concave/ convex/ flat.
5. Bit Shank Series: COP, DHD, QL, SD, Mission, TD, BR etc.
6. Button Shape: Dome/ Spherical, Balistic.
We can design and manufature according to your requirment of diameter, number air holes and carbide button shape
Product Feature:
1.The longer life of the drill: the alloy material, with longer using life which better than the similar products.
2.High Dilling Eficiency: the dril buttons is wear-resistant, so that the drill can always keep sharp thus greatly improving the speed of the drllng.
3.The driling speed is stable:the bit is scraped and cut to break the rock. 4.Good Performance: bit has strong wear resistance, good Diameter protection and can make the cutting teeth be used efficiently.
Product Details:
Production Process:
About US:
As an One-Stop Supply Chain service base of an important Mining and Metallurgy Group in China, Zezon mainly manufacturing and supplying rock drilling tools, grinding steel balls, mill liner, electrolytic cathode and anode plate products at a high Global Standard. Welcome to contact and visit our factory.
Certifications:
FAQ:
1. Q:Are you manufacturery or trade company?
A:We are a professional manufacturer of rock drilling tools .Products including Top Hammer Drill rod, Drill bit,Taper button bit and taper rod,DTH Bit and DTH rod, etc.
2.Q: How can i get the after sale services?
A: Free replacement will provide once the problems casued by our product quality.
3,Q: How is your quality control? (QUALITY MANAGEMENT)
Our quality team's work begins by ensuring a consistently high standard of raw material: checking every batch on
delivery against the technical team's strict criteria for dimensional accuracy and steel chemistry. Once approved
for production, every item is issued a work number that allows us to track it through each subsequent step of the
manufacturing process.
We are dedicated to continuous improvement of all production and delivery processes. No pipe is released to market without a quality report verifying compliance with all destructive and non-destructive testing criteria. We aim
to achieve 100% traceability to ensure our partners and customers can use Zezon products with complete confidence.
delivery against the technical team's strict criteria for dimensional accuracy and steel chemistry. Once approved
for production, every item is issued a work number that allows us to track it through each subsequent step of the
manufacturing process.
We are dedicated to continuous improvement of all production and delivery processes. No pipe is released to market without a quality report verifying compliance with all destructive and non-destructive testing criteria. We aim
to achieve 100% traceability to ensure our partners and customers can use Zezon products with complete confidence.
4.Q: How long is your delivery time?
A: Within five days for the products in stock; regular order delivery in 20 days.
5.Q: Do you provide samples ? is it free or extra ?
A: Not all are free, some can be free.Please consult the salesman for details.
6. Q:Methods of Payment:
A:We offer different payment terms, including T/T, D/A, D/P, L/C and O/A, etc. Please consult the salesman for details.
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