Basic Info.
After-sales Service
24 Hours After Sales Service
Surface Treatment
Spray-Paint
Manufacturing Process
Casting
Transport Package
Carton/Wooden Case
Product Description
Product Description
QL80 305mm DTH drill bit for water well drillingFeatures:
1,The longer life of the drill
2,High drilling efficiency
3,The drilling speed is stable
4,Good performance
5,The use of a wide rangeProduct Parameters
QL40
| Head Shape | Diameter of button face(mm) | Shank Length | Spline | Port holes | Button type | Gauge butons | Front buttons | Weight (KG) |
| Convex face | 108 | 280 | 10 | 2 | Domed+Ballistic | 7x∅16 | 6x∅14 | 9.42 |
| Convex face | 115 | 280 | 10 | 2 | Domed+Ballistic | 7x∅16 | 6x∅14 | 9.5 |
| Convex face | 127 | 280 | 10 | 2 | Domed+Ballistic | 8x∅16 | 4x∅14+3x∅13 | 10.7 |
| Convex face | 130 | 280 | 10 | 2 | Domed+Ballistic | 8x∅16 | 4x∅14+3x∅13 | 10.9 |
QL40A
| Head Shape | Diameter of button face(mm) | Shank Length | Spline | Port holes | Button type | Gauge butons | Front buttons | Weight (KG) |
| Convex face | 108 | 280 | 10 | 2 | Domed+Ballistic | 7x∅16 | 6x∅14 | 9.42 |
| Convex face | 115 | 280 | 10 | 2 | Domed+Ballistic | 7x∅16 | 6x∅14 | 9.5 |
| Convex face | 127 | 280 | 10 | 2 | Domed+Ballistic | 8x∅16 | 4x∅14+3x∅13 | 10.7 |
| Convex face | 130 | 280 | 10 | 2 | Domed+Ballistic | 8x∅16 | 4x∅14+3x∅13 | 10.9 |
QL50
| Head Shape | Diameter of button face(mm) | Shank Length | Spline | Port holes | Button type | Gauge butons | Front buttons | Weight (KG) |
| Convex face | 140 | 240 | 12 | 2 | Domed+Ballistic | 7x∅18 | 4x∅15+3x∅14 | 15.3 |
| Flat face | 146 | 240 | 12 | 2 | Domed+Ballistic | 8x∅18 | 8x∅14 | 16 |
| Flat face | 152 | 240 | 12 | 2 | Domed+Ballistic | 8x∅18 | 8x∅14 | 16.5 |
| Concave face | 165 | 240 | 12 | 2 | Domed | 8x∅18 | 4x∅16+4x∅14 | 18.5 |
| Concave face | 178 | 240 | 12 | 2 | Domed | 8x∅18 | 6x∅16+5x∅14 | 20 |
QL50A
| Head Shape | Diameter of button face(mm) | Shank Length | Spline | Port holes | Button type | Gauge butons | Front buttons | Weight (KG) |
| Convex face | 140 | 240 | 12 | 2 | Domed+Ballistic | 7x∅18 | 4x∅15+3x∅14 | 15.3 |
| Flat face | 146 | 240 | 12 | 2 | Domed+Ballistic | 8x∅18 | 8x∅14 | 16 |
| Flat face | 152 | 240 | 12 | 2 | Domed+Ballistic | 8x∅18 | 8x∅14 | 16.5 |
| Concave face | 165 | 240 | 12 | 2 | Domed | 8x∅18 | 4x∅16+4x∅14 | 18.5 |
| Concave face | 178 | 240 | 12 | 2 | Domed | 8x∅18 | 6x∅16+5x∅14 | 20 |
QL60
| Head Shape | Diameter of button face(mm) | Shank Length | Spline | Port holes | Button type | Gauge butons | Front buttons | Weight (KG) |
| Concave face | 154 | 253 | 12 | 2 | Domed | 8x∅18 | 4x∅16+4x∅15 | 22.5 |
| Flat face | 165 | 253 | 12 | 2 | Domed | 8x∅18 | 8x∅16 | 23 |
| Concave face | 171 | 253 | 12 | 2 | Domed | 8x∅18 | 6x∅16+4x∅15 | 24.4 |
| Concave face | 178 | 253 | 12 | 2 | Domed | 8x∅18 | 6x∅16+5x∅15 | 25.3 |
| Concave face | 190 | 253 | 12 | 2 | Domed | 9x∅18 | 6x∅16+5x∅15 | 26.5 |
| Concave face | 203 | 253 | 12 | 2 | Domed | 10x∅18 | 8x∅16+6x∅15 | 29.7 |
QL680
| Head Shape | Diameter of button face(mm) | Shank Length | Spline | Port holes | Button type | Gauge butons | Front buttons | Weight (KG) |
| Concave face | 154 | 253 | 12 | 2 | Domed | 8x∅18 | 4x∅16+4x∅15 | 22.5 |
| Flat face | 165 | 253 | 12 | 2 | Domed | 8x∅18 | 8x∅16 | 23 |
| Concave face | 171 | 253 | 12 | 2 | Domed | 8x∅18 | 6x∅16+4x∅15 | 24.4 |
| Concave face | 178 | 253 | 12 | 2 | Domed | 8x∅18 | 6x∅16+5x∅15 | 25.3 |
| Concave face | 190 | 253 | 12 | 2 | Domed | 9x∅18 | 6x∅16+5x∅15 | 26.5 |
| Concave face | 203 | 253 | 12 | 2 | Domed | 10x∅18 | 8x∅16+6x∅15 | 29.7 |
QL80
| Head Shape | Diameter of button face(mm) | Shank Length | Spline | Port holes | Button type | Gauge butons | Front buttons | Weight (KG) |
| Concave face | 203 | 331 | 16 | 2 | Domed | 10x∅18 | 4x∅18+10x∅16 | 48.2 |
| Concave face | 216 | 331 | 16 | 2 | Domed | 10x∅18 | 4x∅18+10x∅16 | 51.9 |
| Concave face | 230 | 331 | 16 | 2 | Domed | 12x∅18 | 12x∅18+6x∅16 | 54.7 |
| Concave face | 235 | 331 | 16 | 2 | Domed | 12x∅18 | 12x∅18+6x∅16 | 55.3 |
| Concave face | 254 | 331 | 16 | 2 | Domed | 12x∅18 | 12x∅18+8x∅16 | 62.2 |
| Concave face | 275 | 331 | 16 | 2 | Domed | 12x∅18 | 8x∅16+19x∅16 | 68.8 |
| Concave face | 305 | 331 | 16 | 3 | Domed | 15x∅18 | 12x∅16+23x∅16 | 77.3 |
QL880
| Head Shape | Diameter of button face(mm) | Shank Length | Spline | Port holes | Button type | Gauge butons | Front buttons | Weight (KG) |
| Concave face | 203 | 331 | 16 | 2 | Domed | 10x∅18 | 4x∅18+10x∅16 | 48.2 |
| Concave face | 216 | 331 | 16 | 2 | Domed | 10x∅18 | 4x∅18+10x∅16 | 51.9 |
| Concave face | 230 | 331 | 16 | 2 | Domed | 12x∅18 | 12x∅18+6x∅16 | 54.7 |
| Concave face | 235 | 331 | 16 | 2 | Domed | 12x∅18 | 12x∅18+6x∅16 | 55.3 |
| Concave face | 254 | 331 | 16 | 2 | Domed | 12x∅18 | 12x∅18+8x∅16 | 62.2 |
| Concave face | 275 | 331 | 16 | 2 | Domed | 12x∅18 | 8x∅16+19x∅16 | 68.8 |
| Concave face | 305 | 331 | 16 | 3 | Domed | 15x∅18 | 12x∅16+23x∅16 | 77.3 |
Packaging & Shipping
Company Profile
Changsha Reading Machinery Equipment Trading is located in a world class construction machinery city Changsha.We are a company which is professional, dedicated and hard serving in drilling industry.Our company products have passed ISO9001 quality management system certification and widely used in engineering,mining,tunnel,quarrying,petrochemical, transportation, earthwork excavation, wells, pile foundation, civil engineering and other fields.Our business philosophy is Good Product,High Quality Service and Competitive Price.Our business products is that the variety is rich ,the series is complete,the raw material is the high quality, the technology is advanced and the quality is strict by inspection.The scopes of the company is DTH hammers and bits,drilling equipment,all kinds of screw drill bits,reverse circulation hammers and bits,shank joints and bushing,drill pipe and spare parts for drilling rig,etc.
FAQ
1~How is your after-sales service?
Re: We have 24 hours after sales service for customers. And If quality problem, goods can be return or replaceable.
2~What is the payment terms?
Re:50% in advance by T/T, the balance before delivery.
3~How about the delivery time?
Re: Ususally within 25-30 days. Small quality can be withinn one week.
4~How is the quality control?
Re: Please do not worry too much. Before leaving the factory, all goods will be tested. All is OK, then can be left the factory.
5~What is MQO?
Re: One pc sample is also no problem.
Address:
Room1013, Unit1, Building 1, Qixin Xingzuo Apartment, No. 266 Guyuan Road, Changsha High-Tech Development Zone, Changsha, Hunan, China
Business Type:
Trading Company
Business Range:
Metallurgy, Mineral & Energy
Company Introduction:
Changsha Reading Machinery Equipment Trading is located in a world class construction machinery city Changsha. We are a company which is professional, dedicated and hard serving in drilling industry. Our company products have passed ISO9001 quality management system certification and widely used in engineering, mining, tunnel, quarrying, petrochemical, transportation, earthwork excavation, wells, pile foundation, civil engineering and other fields. Our business philosophy is Good Product, High Quality Service and Competitive Price. Our business products is that the variety is rich, the series is complete, the raw material is the high quality, the technology is advanced and the quality is strict by inspection. The scopes of the company is DTH hammers and bits, drilling equipment, all kinds of screw drill bits, reverse circulation hammers and bits, shank joints and bushing, drill p. Ipe and spare parts for drilling rig, etc.
We are increasingly expanding our international market share based on quality products, excellent service, reasonable price and timely delivery.
