Hard Rock Taper Conical Drill Bit 7/11/12 Degree
Guizhou Sinodrills Equipment Co., Ltd.
Guizhou, China
Last Login Date:
Jul 21, 2025
Business Type:
Manufacturer/Factory
Main Products:
Top Hammer Drilling Tools, DTH Drilling Tools, Self-Drilling Anchor System, Drag Bits
Product Description
Company Info
Basic Info.
Product Description
| Products Name | Top hammer hard rock bit button taper conical drill bit 7/11/12 degree |
| Description | With carbide buttons hot pressed on the bit skirts, |
Diameter | 26mm to 60mm |
| Taper Degree | 4°46', 6°, 7°, 11°, 12°; |
| Carbide Type | Chisel type, Cross type, Button type. |
| Shank Size | Hex. 19mm, Hex, 22mm and Hex. 25mm |
| Button type: | Hemispherical, Parabolic, Ballistic, Conical |
Taper Button Bits 11 degree Parameter:
| For 22 mm (7/8") rod. 11° taper. Short Skirt. | ||||||||
| Diameter | Buttons | Flushing hole | Length | Part Number | Weight | |||
| mm | inch | Gauge | Front | Side | Front | mm | Kg | |
| 32 | 1 1/4 | 3x8 | 2x7 | 1 | 1 | 50 | TB32H22S11C321 | 0.22 |
| 32 | 1 1/4 | 4x7 | 2x7 | 1 | 1 | 50 | TB32H22S11C421 | 0.29 |
| 32 | 1 1/4 | 5x7 | 2x7 | 1 | 1 | 50 | TB32H22S11C521 | 0.35 |
| 32 | 1 1/4 | 6x7 | 2x7 | 1 | 1 | 50 | TB32H22S11C621 | 0.35 |
| 32 | 1 1/4 | 6x7 | 2x7 | 1 | 2 | 50 | TB32H22S11C622 | 0.35 |
| 34 | 1 11/32 | 3x8 | 2x7 | 1 | 1 | 50 | TB34H22S11C321 | 0.39 |
| 34 | 1 11/32 | 4x8 | 2x7 | 1 | 2 | 50 | TB34H22S11C422 | 0.39 |
| 34 | 1 11/32 | 5x7 | 2x7 | 1 | 1 | 50 | TB34H22S11C521 | 0.40 |
| 35 | 1 3/8 | 6x7 | 2x7 | 1 | 2 | 50 | TB35H22S11C622 | 0.41 |
| 36 | 1 27/64 | 3x9 | 1x8 | 1 | 1 | 50 | TB36H22S11C311 | 0.42 |
| 36 | 1 27/64 | 3x9 | 2x7 | 1 | 1 | 50 | TB36H22S11C321 | 0.42 |
| 36 | 1 27/64 | 4x8 | 2x7 | 1 | 1 | 50 | TB36H22S11C421 | 0.42 |
| 36 | 1 27/64 | 4x8 | 2x7 | 1 | 2 | 50 | TB36H22S11C422 | 0.45 |
| 36 | 1 27/64 | 5x8 | 2x7 | 1 | 1 | 50 | TB36H22S11C521 | 0.45 |
| 36 | 1 27/64 | 5x8 | 2x7 | 1 | 2 | 50 | TB36H22S11C522 | 0.45 |
| 38 | 1 1/2 | 3x9 | 1x9 | 1 | 1 | 50 | TB38H22S11C311 | 0.45 |
| 38 | 1 1/2 | 3x9 | 2x7 | 1 | 1 | 50 | TB38H22S11C321 | 0.45 |
| 38 | 1 1/2 | 5x9 | 2x7 | 1 | 1 | 50 | TB38H22S11C521 | 0.45 |
| 38 | 1 1/2 | 5x9 | 2x7 | 1 | 2 | 50 | TB38H22S11C522 | 0.45 |
| 40 | 1 37/64 | 3x9 | 1x9 | 1 | 1 | 50 | TB40H22S11C311 | 0.48 |
| 40 | 1 37/64 | 3x9 | 2x8 | 1 | 1 | 50 | TB40H22S11C321 | 0.48 |
| 40 | 1 37/64 | 5x9 | 2x8 | 1 | 1 | 50 | TB40H22S11C521 | 0.48 |
| 40 | 1 37/64 | 5x9 | 2x8 | 1 | 2 | 50 | TB40H22S11C522 | 0.48 |
| 41 | 15/8 | 5x9 | 2x8 | 1 | 2 | 50 | TB41H22S11C522 | 0.48 |
FAQ:
Q1: Are you a manufacturer?
Yes, we own 3 plants to manufacture various drilling products about 17 years .
We are a one-stop supplier of full range of rock drilling products.
Q2: Are your products high quality ?
Yes .Our customers made the test reports proved that.If you need more information,please contact us.
Q3: What kind of payment terms do you offer and what is your best payment terms?
We offer different payment terms, including T/T, D/A, D/P, L/C and O/A, etc.
Our best payment terms is 120 days after shipping date for our distributors and sole distributors.
Q4:Do you offer warranty on your products?
Yes, for different products we offer different warranty that cover all manufacturing defects in materials and workmanship.
The longest period of warranty is 2 years after shipping date.
Q5: Do you offer OEM service?
Yes, we can offer OEM service if you have regular requirement.
Q6: What qualifications do you have?
Till 2020, we have following qualifications:
1) ISO 9001:2008 management system;
2) 3AA2 credit rating by Dun & Bradstreet;
3) Honoring Contract and Keeping Promise Enterprise by AIC.
4) EC examination certificate for self-drilling anchor bars.
5) 2 invention patents & 6 utility patents.
Q7: Where did you export ?
Till 2020 we have exported to 103 countries.
sinodrills.en.made-in-china.com
Hard Rock Taper Conical Drill Bit 7/11/12 Degree
