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This type of bit is used for making large cut holes in drifting and tunneling. A smaller hole is first drilled and then reamed to the final size in combination with a pilot adapter. Large diameter service holes from level to level for drainage, electrical cable or pipe lines routinely used to ream cut holes for development rounds and for long hole blasting of drop raise.
- Reaming bits were widely used in quarrying or mining for blast hole drilling, with pilot adaptors, the drilling direction can be ensured and accurate. Pilot holes are drilled depth and then reamed out to a larger diameter in a second pass required when hole diameter exceeds the capabilities of the rock drill and drilling tools available.
- Specification
| PIC. | Model | Dia. | Gauge button | front button | taper | products no. |
| A | 6° Taper reaming button bits (shperic or parabolic buttons) | 64 | 8*Φ9mm | 2*Φ10mm | 6° | KTQ1264-6-1 |
| 64 | 8*Φ9mm | 4*Φ8mm | 6° | KTQ1264-6-2 | ||
| 65 | 8*Φ9mm | 4*Φ8mm | 6° | KTQ1265-6 | ||
| 76 | 8*Φ10mm | 4*Φ10mm | 6° | KTQ1276-6-1 | ||
| 76 | 8*Φ10mm | 4*Φ9mm | 6° | KTQ1276-6-2 | ||
| 76 | 8*Φ11mm | 2*Φ11mm | 6° | KTQ1276-6-3‘ | ||
| 76 | 7*Φ11mm | 4*Φ11mm | 6° | KTQ1176-6-3’‘ | ||
| 76 | 8*Φ14mm | 4*Φ13mm | 6° | KTQ1276-6-4 | ||
| 89 | 8*Φ12mm | 4*Φ12mm | 6° | KTQ1289-6-1 | ||
| 89 | 8*Φ12mm | 4*Φ11mm | 6° | KTQ1289-6-2 | ||
| 89 | 8*Φ12mm | 4*Φ10mm | 6° | KTQ1289-6-3 | ||
| 89 | 8*Φ13mm | 4*Φ10mm | 6° | KTQ1289-6-4 | ||
| 89 | 8*Φ12mm | 4*Φ11mm | 6° | KTQ1289-6-5 | ||
| 102 | 8*Φ14mm | 4*Φ12mm | 6° | KTQ12102-6 | ||
| 12° Taper reaming button bits (shperic or parabolic buttons) | 89 | 8*Φ12mm | 4*Φ10mm | 12° | KZQ1289-12 | |
| 102 | 8*Φ12mm | 4*Φ12mm | 12° | KZQ12102-12-1 | ||
| 102 | 8*Φ14mm | 4*Φ12mm | 12° | KZQ12102-12-2 | ||
| 127 | 10*Φ13mm | 8*Φ13mm | 12° | KZQ18127-12-1 | ||
| 127 | 10*Φ13mm | 10*Φ13mm | 12° | KZQ18127-12-2 | ||
| B | 6° Taper chisel reaming bits | 60 | carbide:12*8mm (4pcs) | 6° | KTS460-6 | |
| 64 | KTS464-6 | |||||
| 65 | KTS465-6 | |||||
| 70 | KTS470-6 | |||||
| 76 | carbide:12*10mm (4pcs) | KTS476-6 | ||||
| 80 | KTS480-6 | |||||
| 89 | KTS489-6 | |||||
| 10° Taper chisel reaming bits | 70 | carbide:12*8mm (6pcs) | 10° | KTS670-10 | ||
| 75 | KTS675-10 | |||||
| 80 | KTS680-10 | |||||
| 90 | KTS690-10 | |||||
| 100 | carbide:12*10mm (6pcs) | KTS6100-10 | ||||
| 120 | KTS6120-10 | |||||
| C | Pilot adaptors 6° | chisel:Φ26/28*12*8mm | L=240/300mm,thread:R25/28/32*12.7mm,6° | |||
| Pilot adaptors 12° | chisel:Φ35/40*15*10mm | L=250mm,thread:R25/28/32*12.7mm,12° | ||||
| D | Thread chisel reaming bits | 60 | carbide:12*8mm (4pcs) | RF25 | KTS460-25RF | |
| 70 | KTS470-25RF | |||||
| 80 | carbide:12*10mm (6pcs) | RF32 | KTS680-32RF | |||
| 90 | KTS690-32RF | |||||
| 100 | KTS6100-32RF | |||||
| 120 | KTS6120-32RF | |||||
| 130 | RF38 | KTS6130-38RF | ||||
| 150 | KTS6150-38RF | |||||
| E | Integral reaming button bits | 89 | 12*Φ11mm | 2*Φ11mm+1*Φ10mm | R32/R38*12.7 | KZQ89 |
| 102 | 12*Φ12mm | 2*Φ12mm+1*Φ10mm | R32/R38*12.7 | KZQ102-1 | ||
| 102 | 12*Φ14mm | 2*Φ10mm+1*Φ10mm | R32/R38*12.7 | KZQ102-2 | ||
| 127 | 8*Φ14mm | 8*Φ12mm+2*Φ12mm | R38*12.7 | KZQ127 | ||
| F | Dome reaming bit (shperic or parabolic buttons) | 76 | 9*Φ13mm | 1*Φ13mm | R32/T38/T45 | DFR76 |
| 89 | 14*Φ13mm | 1*Φ13mm | R32/T38/T45 | DFR89 | ||
| 102 | 16*Φ13mm | 1*Φ13mm | R32/T38/T45 | DFR102 | ||
| 127 | 18*Φ13mm | 1*Φ13mm | R32/T38/T45 | DFR127 | ||
| 152 | 18*Φ14mm | 2*Φ14mm | T45/T51/ST58/ST68 | DFR152-1 | ||
| 152 | 9*Φ16mm | 6*Φ16mm | ST58/ST68 | DFR152-2 | ||
Product Process
Materials: Tungsten carbide and high strength alloy steels.
Processing: CNC milling and proprietary "hot (thermal) -insertion" processing procedure to insert the buttons as same as internationally well-known brand ,military grade requirements of heat-treatment guarantee durability .
Packing details can be customized as per your requirement (plywood case, plastic box or carton...)
Timely shipment can be made upon our negotiation.
We have two main business field:
1) Rock drill tools for quarrying and mining:
2) Natural Stone Processing/Cutting/Splitting machines:
Our products range:
A. Rock drill tools, including small hole,drifting,bench and products drilling, down-the-hole drilling;
B.Chisel bits, button bits regrinding system.
C.Non-explosive demolition, cracking agent.
D.Natrual face stone processing system, including hydraulic splitting machine, stamping machine, mosaic stone making machine,decoractive stone breaking machine...
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 36 year’s professional working experience.
4. Rock drilling tools are exported throughout the world. Main market: Brazil, Chile, Colombia, Uruguay, Australia,Ukraine,Russia, ,Norway, Turkey, USA,Canada, Iran, Malaysia, Thailand, India, etc.
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,,Escrow,Paypal
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
In order to quote you the best price, please tell us the details as following:
01.Grade and specification or drawings;
02.Quantity and quality level;
03.Operation environment;
04.Other special requirement.
Send Inquiry to This Supplier
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