Small hole tapered ground drill bit is the most popular tapered drill bits with a wide selection of head diameters from 26mm to 48mm. With carbide buttons hot pressed on the bit skirts, tapered button bits have a good drilling performance and are excellent in longevity.
We manufacture various tapered button bits in different degrees as below:
Bit diameter: 32mm ~ 41mm;
Tapered degree: 4°46’, 6°, 7°, 11°, 12°;
Shank sizes: Hex. 19mm, Hex, 22mm and Hex. 25mm;
Buttons configuration: 4 buttons, 5 buttons, 6 buttons, 7 buttons, 8 buttons
|
Diameter |
Buttons*De |
Flushing hole |
Skirt Length |
|||
|
mm |
Gauge |
Front |
Side |
Front |
mm |
|
|
32 |
3x8mm |
2x7mm |
1 |
1 |
50,55,60 |
|
|
32 |
4x7mm |
2x7mm |
1 |
1 |
50,55,60 |
|
|
32 |
5x7mm |
2x7mm |
1 |
1 |
50,55,60 |
|
|
32 |
6x7mm |
2x7mm |
1 |
1 |
50,55,60 |
|
|
32 |
6x7mm |
2x7mm |
1 |
2 |
50,55,60 |
|
|
34 |
3x8mm |
2x7mm |
1 |
1 |
50,55,60 |
|
|
34 |
4x8mm |
2x7mm |
1 |
2 |
50,55,60 |
|
|
34 |
5x7mm |
2x7mm |
1 |
1 |
50,55,60 |
|
|
35 |
6x7mm |
2x7mm |
1 |
2 |
50,55,60 |
|
|
36 |
3x9mm |
1x8mm |
1 |
1 |
50,55,60 |
|
|
36 |
3x9mm |
2x7mm |
1 |
1 |
50,55,60 |
|
|
36 |
4x8mm |
2x7mm |
1 |
1 |
50,55,60 |
|
|
36 |
4x8mm |
2x7mm |
1 |
2 |
50,55,60 |
|
|
36 |
5x8mm |
2x7mm |
1 |
1 |
50,55,60 |
|
|
36 |
5x8mm |
2x7mm |
1 |
2 |
50,55,60 |
|
|
38 |
3x9mm |
1x9mm |
1 |
1 |
50,55,60 |
|
|
38 |
3x9mm |
2x7mm |
1 |
1 |
50,55,60 |
|
|
38 |
5x9mm |
2x7mm |
1 |
1 |
50,55,60 |
|
|
38 |
5x9mm |
2x7mm |
1 |
2 |
50,55,60 |
|
|
40 |
3x9mm |
1x9mm |
1 |
1 |
50,55,60 |
|
|
40 |
3x9mm |
2x7mm |
1 |
1 |
50,55,60 |
|
|
40 |
5x9mm |
2x7mm |
1 |
1 |
50,55,60 |
|
|
40 |
5x9mm |
2x8mm |
1 |
2 |
50,55,60 |
|
|
41 |
5x9mm |
2x8mm |
1 |
2 |
50,55,60 |
|
| 36mm, 11degree,skirt 50mm,Guage 5*8mm,front 2*7mm,front 2 hole , guage 1 hole , 35°,core bit | |
| Materials and produce process details: Materials- we use 45CrNiMoVA and YK05 Tungsten carbide to produce our taper drill bit, both are famous materials for drill bit produce in the world. Advanced technology---We produce our taper button drill bit with hot-pressing technology which is the best-advanced technology of producing taper button bit up to date. |
|
| Button bits should be reground when penetration rates drop or if the cemented carbide shows signs of damage Fixed grinding routines often result in good working practices. Bits for instance, can be examined and then reground after a specific number of holes, or at the end of the shift. Premature grinding is not necessarily uneconomical since less carbide needs to be ground off. It is better to regrind rather than reducing productivity due to damage. Correct grinding adds considerably to drill bit service life. But equally important, it also enhances the performance of the entire drilling operation, especially hole straightness. |
HOPH DRILL is one of the biggest enterprises in China specializing in research and manufacture of rock drilling products and pneumatic tools. It has a complete set of equipment for producing rock drilling products and pneumatic tools. With its abundant experience in research and production, using the highest quality raw materials, through advanced technology and rigorous testing methods, our company has produced products with excellent performance and quality.
Our company mainly researches, designs and manufactures the following products: Our friction drill rods (which are the most advanced products in the field in China), all kinds of the drill bit, drilling rod, shank adapter, coupling sleeves, various kinds of drill spare parts for drilling rigs, etc. The performance of these products is domestic leading and world first-class. The products have gained certificates including ISO 9001, API, SGS, CE, etc. “HOPH” drilling tools own a good market all over China for the good quality and high performance. Meanwhile, the company is still actively exploring the overseas market. “HOPH DRILLING” products have been exported to more than 100 countries around the world.
HOPH's factory* The largest carburizing furnace. (in southwest China.)
* Well-equipped. * Core parameters for heat treatment. |
HOPH's laboratory* Rely on Guizhou University ''National & Local Joint Engineering Laboratory for High-Performance Metal Structure Materials and Advanced Manufacturing Technology'' and '' Guizhou province key laboratory of material structure and intensity.''
* R&D drilling steel and anti-fatigue key manufacturing technology. * Closely tracking existing products actual test feedback improves manufacture technique. |
A: We are manufacturer based in Guiyang city(Guizhou Province,China).
A: Only 2 or 3 days if we have stock on your request size, 25~28 days for customized products.
A: prices can be discounted with bigger order quantities.
A: Express DHL/TNT/FEDEX/UPS/EMS or By Air.
Bulk order: we suggest by air or by sea.
A: We have our own experienced QC.
There will be strict inspection and testing for every order before shipping out.
a. Our sales team will response for your question within 24 hours (Holidays Excluded).
b. Technical Support will be available in any time.
c. Free replacement will provide once the failure confirmed caused by our product quality.
| Contact Person : | Lena |
|---|
