- Tool Parts[6]
- Tungsten Bars[6]
- Other Metals & Metal Products[6]
- Drill Bit[6]
- Moulds[6]
- Contact Person : Mr. deng vincent
- Company Name : Zhuzhou San Qiang Industrial Co., Ltd.
- Tel : 086-0731-27629621
- Fax : 086-0731-27679605
- Address : Hunan,Zhuzhou,Luliang Road,Lukou town
- Country/Region : China
- Zip : 412100
T21 for embedding rotary drill bits for core drill harder rock formations
Description and dimensions of type T21 drill bits
Type | Dimension(mm) | Approximate unit weight (g) | |||||
B | H | S | |||||
basic dimensions | allowed tolerances | basic dimensions | allowed tolerances | basic dimensions | allowed tolerances | ||
T2105 | 5 | 0.3 | 7 | 0.35 | 3 | 0.3 | 1.4 |
T2105A | 5 | 0.3 | 8 | 0.35 | 5 | 0.3 | 2.55 |
T2105B | 5 | 0.3 | 10 | 0.35 | 5 | 0.3 | 3.29 |
T2105C | 5 | 0.3 | 13 | 0.45 | 5 | 0.3 | 4.4 |
T2107 | 7.5 | 0.35 | 10 | 0.35 | 3 | 0.3 | 3.13 |
T2107A | 7 | 0.35 | 20 | 0.55 | 7 | 0.35 | 13.6 |
T2108 | 8.5 | 0.35 | 8 | 0.35 | 3 | 0.3 | 2.73 |
T2110 | 10 | 0.35 | 14 | 0.45 | 4 | 0.3 | 7.8 |
T2114 | 14 | 0.45 | 25 | 0.55 | 12 | 0.45 | 58.5 |
The grades and performances of mineral cemented carbide
Grade | ISO Code | Density g/cm3 | Hardness HRA | T.R.S Mpa N/mm2 | Performance & application recommended |
SK4C | K01-K05 | 14.9-15.3 | 89.5-90 | 1700-1800 | High wear resistant. Suitable for drilling in hard rock. |
SK6 | K10 | 14.7-15.1 | 90-90.5 | 1850-2000 | Suitable for geological exploration, in soft formations rotary rock drill with a small core, non coring drill, drill bit of coal mining coal. |
SK8 | K20 | 14.5-14.9 | 89-89.5 | 2000-2300 | Suitable for geological exploration of coring drill, non coring drill, drill bit of coal mining coal and stone processing. |
SK8C | K20 | 14.5-14.9 | 88-88.5 | 2200-2400 | Suitable for the softer rock impaction rock bit, well drilling bit, soft and middle soft formations Drag Bit. |
SK11C | K30 | 14-14.5 | 86.5-87 | 2500-2600 | Mainly used in hard formation drilling of hard rocks, spherical teeth and profiled teeth cone bit. |
SK15 | K40 | 13.9-14.2 | 87-87.5 | 2400-2600 | Suitable for hard rock impact of drilling with a drill and stone processing. |
Package: the general package is packing the product by paper first, and then putting them in carton or wood carton, or any other packages required by customers.
Delivery time:within 30 days after the confirmation of the order or depends on the quantity.
Payment terms:30% paid for deposit by T/T befored production arranged,the balance to be paid befored shipment.
Contact Information:
Aimee Yao
Mobile: +86-18073321810
Tel: +86-731-27629621(606) Fax: +86-731-27679605
Zhu Zhou San Qiang Industrial Co., LTD
Add: Lu Liang Road, Lu Kou Town, Zhu Zhou City, Hunan Province, China
T21 for embedding rotary drill bits for core drill harder rock formations
