Expert manufacturer of Coal Mine Rool Bolt
Roof Anchor Bolt with certificate ISO9001
Mine Roof Bolt received good feedback
Port: Qingdao
Minimum Order Quantity: 10 Piece/Pieces
Supply Ability: 1000 Piece/Pieces per Month
Payment Terms: L/C,T/T,Western Union
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Packaging Detail: Inside in sponge & Outside in wood case
Delivery Detail: 7 Days
PDC Roof Anchor Bolt/Coal Mine Roof Bolt
PDC(polycrystalline diamond compact) anchor shank bit is a new product after the hot-pressed and electroplated drill bit recent years.With special hith-frequency weldin techniques.PDC of high wear resistant si welded to the body as cutting edges.PDC bit is mainly used for geological prospecting,coal exploration,water conservancy and power engineering,etc.
Feature
1. It 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. It had high drilling speed.
3. It can be operated with low pressure and low speed.
4. It has a good gage protection.
5. It can be used widely, more suitable for drilling in the stratum with formation<7
6. It has a low cost
Application
Apply to the anchor-network support hole drilling in coal mine, transportation, hydropower, and so on.
Colliery Drilling Tools | Main Standard(mm) | |||
| D | H | L | M | |
Thread joint | 27 | 44 | 17 | M14×1.5 |
| 27 | 54 | 17 | M12×1.75 | |
| 28 | 54 | 20 | M12×1.75 | |
| 29 | 52 | 18 | M14×1.5 | |
| 30 | 50 | 18 | M14×1.5 | |
| 32 | 52 | 22 | M14×1.5 | |
| 32 | 56 | 22 | M12×1.75 | |
Note
We also can design and manufacture of various non-standard drill tools.
If you have any questions, please don't hesitate to contact us.
Model No.:
Features: Metric Twist Drills
DIN 1897, High Speed Steel & Cobalt
Model No.: 722-0031T
Features: 3PC SCM STEP DRILL
*Alloy steel(SCM),HRc 58,coat TITAN..
*1/8-1/2"(13-step),3/16-1/2"(6-step),1/4-3/4"(9-step
Model No.:
Features: 1.used PDC bit
2.size :4-8 blades
3.high quality and competitive price
Model No.: HA737
Features: good feedback
API&ISO
high quality&best service
MNQ 1pc
Model No.: TY-W502
Features: 5PCS Wood Working Drill Set
SIZES(MM): 4,5,6,8,10MM
Manufacturing:rolled
long life,fast drilling & chip removing
plastic box
Model No.:
Features: GLASS DRILL
Model No.:
Features: Freet Diamond Tools as one of leading diamond tools manufacturer ,it's famous because of Diamond Core Drill Bits.
Model No.:
Features: 1)5 1/8'' used water well drill bit(manufactory)
2)15 year's experience in drill bit
3) certificate:ISO9001:2000
4)MOQ: 1pc
Model No.: carbide tungsten
Features: We offer all kinds of cemented carbide products with high quality and competitive prices for different markets!
Model No.: 14
Features: 1.The best high speed steel.
2.Our company is the leading enterprises.
3.OEM to many famous brand.
Model No.:
Features: diamond core drill
(1) for Brick,Stone, in common use
(2)Used for dry/wet coring
(3)any colors are avalible
Model No.: YT-168
Features: YT-168 Diamond drill-Sinter stone bits
Feature:Sinter
Material:Diamond
Used for Granite