Quality Inspection for Surface Down The Hole Drills - Down the hole dth hammer and bit supplier for sale – TDS
Quality Inspection for Surface Down The Hole Drills - Down the hole dth hammer and bit supplier for sale – TDS Detail:
	
DTH Bit(1) Made from premium quality alloy steel for increased durability and wear characteristics, and YK 05 tungsten carbide as same grade as internationally well-known brand (2) Apply “hot (thermal) -insertion” processing procedure to insert the buttons as same as internationally well-known brand, (4) Entire CNC processing procedure ensure the quality consistency and reliable. (5) Military grade requirements of heat-treatment guarantee durability, Specific heat treatment standards and special “stress relief” processes ensure consistent performance. (6) Designed for maximum performance and hole cleaning ability and high penetration rate.

| Model | Thread Connection | OD(mm) | Rec.Hole Size | Shank Style | Working Pressure(Bar) | 
| CD35 | API 2 3/8″ Reg | φ82mm | φ90-φ105 | 
DHD3.5
 CD35  | 
1.0-1.5Mpa | 
| CD45 | API 2 3/8″ Reg | φ99mm | φ110-φ135 | 
Cop44
 DHD340  | 
1.0-2.5Mpa | 
| CSD4 | API 2 3/8″ Reg | φ99mm | φ110-φ135 | 
SD4
 CSD4  | 
1.0-2.5Mpa | 
| CQL40 | API 2 3/8″ Reg | φ99mm | φ110-φ135 | 
QL40
 CQL40  | 
1.0-2.5Mpa | 
| CD55 | 
API 2 3/8″ Reg
 API 3 1/2″ Reg  | 
φ125mm | φ135-φ155 | 
Cop54
 DHD350R  | 
1.0-2.5Mpa | 
| CSD5 | API 3 1/2″ Reg | φ125mm | φ135-φ155 | 
SD5
 CSD5  | 
1.0-2.5Mpa | 
| CQL50 | API 3 1/2″ Reg | φ125mm | φ135-φ155 | 
Cop54
 QL50  | 
1.0-2.5Mpa | 
| CD65 | API 3 1/2″ Reg | φ148mm | φ155-φ190 | 
Cop64
 DHD360  | 
1.0-2.5Mpa | 
| CSD6 | API 3 1/2″ Reg | φ148mm | φ155-φ190 | 
SD6
 CSD6  | 
1.0-2.5Mpa | 
| CQL60 | API 3 1/2″ Reg | φ148mm | φ155-φ190 | 
Cop64
 QL60  | 
1.0-2.5Mpa | 
| CD85 | API 4 1/2″ Reg | φ185mm | φ195-φ254 | 
Cop84
 DHD380  | 
1.0-2.5Mpa | 
| CSD85 | API 4 1/2″ Reg | φ185mm | φ195-φ254 | 
SD8
 CSD8  | 
1.0-2.5Mpa | 
| CQL80 | API 4 1/2″ Reg | φ185mm | φ195-φ254 | 
QL80
 CQL80  | 
1.0-2.5Mpa | 
| CSD10 | 
API 4 1/2″ Reg
 API 5 1/2″ Reg  | 
φ225mm | φ254-φ311 | 
SD10
 CSD10  | 
1.0-2.5Mpa | 
| CN100 | API 6 5/8″ Reg | φ225mm | φ254-φ311 | 
NUMA100
 CN100  | 
1.0-2.5Mpa | 
| CSD12 | API 6 5/8″ Reg | φ275mm | φ305-φ445 | 
SD12
 CSD12  | 
1.0-2.5Mpa | 
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We always think and practice corresponding to the change of circumstance, and grow up. We purpose at the achievement of a richer mind and body as well as the living for Quality Inspection for Surface Down The Hole Drills - Down the hole dth hammer and bit supplier for sale – TDS , The product will supply to all over the world, such as: Chile, America, Bangladesh, To win customers' confidence, Best Source has set up a strong sales and after-sales team to provide the best product and service. Best Source abides by the idea of "Grow with customer" and philosophy of "Customer-oriented" to achieve cooperation of mutual trust and benefit. Best Source will always stand ready to cooperate with you. Let's grow together!
Company director has very rich management experience and strict attitude, sales staff are warm and cheerful, technical staff are professional and responsible,so we have no worry about product,a nice manufacturer.
        





