PDC coal mining bolt drill bit
Features
1.PDC coal mining bolt drill bit has a super long life. The grinding/consumption ratio of PDC is 20-40 times that of tungsten carbide bit and 10 times that of diamond bit.
2.PDC coal mining bolt drill bit had high drilling speed.
3.PDC coal mining bolt drill bit can be operated with low pressure and low speed.
4.PDC coal mining bolt drill bit has a good gage protection.
5.PDC coal mining bolt drill bit can be used widely, more suitable for drilling in the stratum with formation<7
6.PDC coal mining bolt drill bit has a low cost
Technical Data
Type | D(mm) | H(mm) | Wing Qua PDC bit for coal mine drilling ntity | PDC cutter | Waterpore | ||
Shape | Quantity | Quantity | D(mm) | ||||
QW28A | 28 | 48 | 2 | half | 2 | 1 | 5 |
QW28B | 28 | 48 | 2 | whole | 2 | 1 | 5 |
QW30A | 30 | 48 | 2 | half | 2 | 1 | 5 |
QW30B | 30 | 48 | 2 | whole | 2 | 1 | 5 |
QW32A | 32 | 48 | 2 | half | 2 | 1 | 5 |
QW32B | 32 | 48 | 2 | whole | 2 | 1 | 5 |
QW42B | 42 | 60 | 3 | Half+whole | 2+2 | 3 | 5 |
Application of PDC coal mining bolt drill bit
Model | Application | ||||||
Two-wing PDC anchor drill bits | Half-piece PDC drill bits | Soft-medium hard formation of f ≥ 7 | |||||
Complete-piece PDC drill bits | Medium-hard formation of f ≥ 8 | ||||||
Reinforced PDC drill bits | Hard formation of f ≥ 10 | ||||||
Triple-wing PDC anchor drill bits | Half-piece PDC drill bits | Hard formation of f ≥ 12 | |||||
Reinforced half-piece PDC drill bits | Hard formation of f ≥ 14 | ||||||
Product Pictures
The information you may like to know before order:
1. Methods of Payment:
T/T (Telegraphic Transfer) or Western Union or L/C at sight
2. Handling time for an order
Based on order quantity, normally it takes 25 days for production.
Only 2 or 3 days if we have stock on your request size.
3. Shipping way
Sample order: we suggest Courier express like DHL/UPS/TNT/FEDEX or by air
Bulk order: we suggest by air or by sea.
4. Quality Control
We have our own experienced QC.
There will be strict inspection and testing for every order before shipping out.
5. After Services:
1. Our sales team will response for your question within 24 hours (Holidays Excluded)
2. Technical Support will be available in any time
3. Free replacement will provide once the failure confirmed caused by our product quality
About Us:
1.Our factory has been specialized in manufacturing drilling tools and spare parts since 1980.
2.We have advanced technology and equipment.
3.Our technician has more than 25 year's professional working experience.
4.Rock drilling tools are exported throughout the world. Main market: Norway, Turkey, USA, Canada, Australia, Brazil, Uruguay, Iran, Philippines, Thailand, India, etc.
Factory Pictures
If you have any question about our product,please feel free contact us.
Thanks in advance
Angelina
