Complaint
DTH Drill Bits:
DTH Drill Bits are produced from premium quality nickel-alloy steel for increased durability and wear characteristics. Specific heat treatment standards and special "stress relief" processes ensure consistent performance.
DTH hammer bits are designed for maximum performance and hole cleaning ability and high penetration rate.
We can design and manufacture according to customer's requirement of the Bit Diameter,No.air holes,carbide button shape and the face shape.
Characteristics 1.
Faetures of High Air Pressure DTH Drill Bits
1.Five basic dth drill bit designs: Flat front, Convex, Speed, Concave. All shapes for all types of rock of hard, soft or abrasive.
2.Deliver maximum energy to dth drilling bit, fast drilling speed and low air consumption due to inner structure of HD series DTH hammer designed according to newest rock drilling theory.
3.Smooth performance and long service life of DTH drill bits due to high quality alloy steel materials and advanced processing technology adapted.
4.Low problem rate and easy to maintenance due to simple , reliable and easy assemble and disassemble inner structure of DTH drill bits.
5.Easy to depart the dth bit from hammer due to multi-head thread connecting chuck and cylinder of hammer.
Specification
| Diameter | Face Type | Buttons x Dia (Inch) | Flushing Holes | Weight Approx. | ||||
| Mm | inch | Outer | Inner | Front | Kgs. | Lbs. | ||
| 394 | 15 1/2 | Concave | 15 x 3/4" | 12 x 3/4" | 35 x 3/4" | 3 | 202.9 | 447 |
| 394 | 15 1/2 | Flat | 15 x 3/4" | 12 x 3/4" | 35 x 3/4" | 3 | 202.9 | 447 |
| 400 | 15.75 | Concave | 15 x 3/4" | 12 x 3/4" | 35 x 3/4" | 3 | 205.2 | 452 |
| 400 | 15.75 | Flat | 15 x 3/4" | 12 x 3/4" | 35 x 3/4" | 3 | 205.2 | 452 |
| 406 | 16 | Concave | 15 x 3/4" | 12 x 3/4" | 35 x 3/4" | 3 | 208.8 | 460 |
| 406 | 16 | Flat | 15 x 3/4" | 12 x 3/4" | 35 x 3/4" | 3 | 208.8 | 460 |
| 419 | 16 1/2 | Concave | 15 x 3/4" | 12 x 3/4" | 35 x 3/4" | 3 | 212.9 | 469 |
| 419 | 16 1/2 | Flat | 15 x 3/4" | 12 x 3/4" | 35 x 3/4" | 3 | 212.9 | 469 |
| 432 | 17 | Concave | 18 x 3/4" | 12 x 3/4" | 51x 3/4" | 3 | 217.5 | 479 |
| 432 | 17 | Flat | 18 x 3/4" | 12 x 3/4" | 51x 3/4" | 3 | 217.5 | 479 |
| 438 | 17.25 | Concave | 18 x 3/4" | 12 x 3/4" | 51x 3/4" | 3 | 222 | 489 |
| 444 | 17 1/2 | Concave | 18 x 3/4" | 12 x 3/4" | 51x 3/4" | 3 | 224.7 | 495 |
| 444 | 17 1/2 | Flat | 18 x 3/4" | 12 x 3/4" | 51x 3/4" | 3 | 224.7 | 495 |
| 457 | 18 | Concave | 18 x 3/4" | 12 x 3/4" | 54 x 3/4" | 3 | 236.1 | 520 |
| 457 | 18 | Flat | 18 x 3/4" | 12 x 3/4" | 54 x 3/4" | 3 | 236.1 | 520 |
Service
In our after sales service system, We establish perfect control system strictly according to ISO-9000 series, in this system, technology date and problem solve solution and preventive measures will be provided in any maintain project, all the spare parts will be used in new OEM products with installation instructions, packing list, manufacturer's instruction, qualification and Warranty certificate.
We provide "one equipment & one case, endless service, namely the after sales service begin from the order confirmation, last for the working life of the equipment.
Q1: Are you trading company or manufacturer ?
A: We are manufacturer (factory).
Q2: How long is your delivery time?
A: Generally it is 5-15 working days if the goods are in stock. Or it is 20-30 working days if the goods are not in stock, it is according to the quantity.
Q3. What is your terms of delivery?
A: FOB, CFR, CIF,EXW, DAP etc.
Q4: Do you provide samples ? Is it free or extra ?
A: No, it should be paid because of high value.
Q5. Can you produce according to the samples?
A: Yes, we can produce by your samples or technical drawings. We can build the molds and fixtures.
