Active Member
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[China]
Address: Room 1407,BuildingA,No.13,Beiyuan Road,Chaoyang District,Beijing,China
Contact name:Jack Cheng
Beijing Jincheng Mining Technology Co., Ltd. |
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Small Hole Rock Drilling Tools 40mm 8 Buttons Tungsten Carbide Drill Bits
Jincheng tapered bits are ideal for short hole drill & blast, as well as roof bolting applications, as we are Chinese leading manufacture of rock drilling bits,we have rich experience in reseraching and producing .Our products are sold to many countries of the world and gained lots of trust and praise.Why our products are so popular?
1. We use the most high performance material for every order according to customers' requirements.
2. We know most market informations worldwide ,so we can recommend clients the most suitable product.
3. We has the lowest cost and we sell directly to customer from factory,so our price is the most advantage in Chinese market.
4. All our customer can enjoy our VIP service before and after sales ,that is also why more and more customer choose us.
5. With our products,you will have more advantage in your market,so JCDRILL is the best choise.
Tapered button bit diameter:28mm,30mm,32mm,34mm,36mm,38mm,40mm etc..
Tapered button bit degree: 7°, 11°, 12° etc..
| Description | Diameter | Length | No. of button | Weight |
| Taper Angle=7°,11°,12°; Socket inside=28mm-45mm | mm | mm | pcs | kg |
| 28 | 50 | 4 | 0.2 | |
| 29 | 50 | 4 5 6 7 | 0.2 | |
| 30 | 50 80 | 5 6 7 8 | 0.2 0.3 | |
| 32 | 50 55 71 80 | 6 7 8 9 | 0.2 0.22 0.3 | |
| 33 | 50 55 71 80 | 6 7 9 | 0.2 0.3 0.36 | |
| 34 | 50 55 | 7 8 | 0.22 0.3 | |
| 35 | 55 71 80 | 4 5 6 7 | 0.22 0.3 0.37 | |
| 36 | 50 55 | 7 | 0.3 0.35 | |
| 37 | 55 | 4 6 7 | 0.3 | |
| 38 | 50 55 | 4 6 7 | 0.25 0.35 | |
| 40 | 50 55 | 7 | 0.35 | |
| 41 | 50 55 71 | 4 5 | 0.35 | |
| 42 | 50 | 6 7 | 0.4 | |
| 45 | 50 55 71 | 6 7 8 9 | 0.5 |
Package
Specification
Welcome contact me for more detail informations.
Advantage
Comparing with taper chisel and cross bits, button bits have higher
technology, much longer primary drilling time and higher drilling
efficiency. According to the tungsten carbide insert, button bits
can be divided into types of hemispherical, conical and parabolic
button, etc.
Button bits with hemispherical button is for high bearing capacity
and abrasive resistance while conical button and parabolic button
are for high drilling speed and low abrasive resistance.
FAQ
1. Shipping time for an order
We have many stock. As usual, we can delivery the goods as soon as we get the full payment.
2. Quality Control
Strict inspection and testing for every order before shipping out .
3. How to order
Head diameter + buttons number + The degree.
4. How can we trust your company?
We support Alibaba trade insurance. Protect products quality, shipment on time and your covered amount.
