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Brand Name : MIROC
Model Number : DTH Sub
Certification : ISO9001
Place of Origin : China
MOQ : 1 Pieces DTH Sub
Price : negotiation
Payment Terms : T/T, L/C, D/A, D/P, Western Union, MoneyGram
Supply Ability : 20000pcs per month
Delivery Time : 10- 25 days
Packaging Details : Bundle and Wooden Box
Product name : 2 3/8'' API REG female to 2 3/8'' API female
Type : DTH Sub/ DTH Adapter
Application : Construction works , Energy & Mining
Size1 : Adapter API 2 3/8 IF pin --API 3 1/2 Reg box
Size2 : Adapter API 2-3.8 IF box--API 2-3.8 Reg pin
Size3 : Adapter API 2 3/8 Reg box--API 2 3/8 Reg box
Material : Carbon Steel
Length : 140mm - 225mm
Diameter : 59mm- 115mm
Down The Hole Drill Adapter DTH Drilling Tools Diameter 90mm 115mm 120mm
In DTH drilling, the rock drilling bit is a continuation of the shank, which the rock drill piston strikes directly. Since the piston is in direct contact with the drill bit, little energy is lost. This gives DTH drilling a nearly constant penetration rate regardless of hole length.
Specification:
| DTH Subs Specification | |||||||
| Female- Male | |||||||
| Female A | Male B | Diameter A | Diameter B | Length | Wrench flat | Weight | Part Number | 
| mm | mm | mm | mm | kg | |||
| 2 3/8"API Reg | 2 3/8"API Reg | 77 | 77 | 140 | 65 | 4.0 | 4148301570 | 
| 2 3/8"API Reg | 2 3/8"API Reg | 90 | 90 | 140 | 65 | 5.5 | 4148301571 | 
| 2 3/8"API Reg | 2 3/8"API Reg | 102 | 102 | 130 | 76 | 7.8 | 4148301572 | 
| 2 3/8"API Reg | 2 3/8"API Reg | 90 | 90 | 144 | 65 | 5.5 | 4148301573 | 
| 2 3/8"API Reg | 2 3/8"API IF | 95 | 95 | 130 | 65 | 8.0 | 4148301574 | 
| 2 3/8"API Reg | 2 7/8"API Reg | 90 | 102 | 120 | 95 | 10.5 | 4148301575 | 
| 2 3/8"API IF | 3 1/2"API Reg | 90 | 90 | 164 | 65 | 6.8 | 4148301576 | 
| 2 7/8"API Reg | 2 3/8"API Reg | 90 | 90 | 154 | 65 | 6.5 | 4148301577 | 
| 2 7/8"API Reg | 2 3/8"API Reg | 90 | 115 | 120 | 95 | 11.0 | 4148301578 | 
| 3 1/2"API Reg | 3 1/2"API Reg | 115 | 115 | 219 | 95 | 12.5 | 4148301579 | 
| 3 1/2"API Reg | 2 3/8"API IF | 115 | 115 | 160 | 95 | 10.5 | 4148301580 | 
| 3 1/2"API Reg | 2 7/8"API Reg | 115 | 115 | 160 | 95 | 10.8 | 4148301581 | 
| 3 1/2"API Reg | 2 7/8"API IF | 115 | 115 | 160 | 95 | 10.8 | 4148301582 | 
| 3 1/2"API Reg | 3 1/2"API Reg | 115 | 115 | 160 | 95 | 10.5 | 4148301583 | 
| 3 1/2"API Reg | 4 1/2"API Reg | 146 | 146 | 132 | 120 | 16.5 | 4148301584 | 
| 4 1/2"API Reg | 3 1/2"API Reg | 146 | 115 | 235 | 95 | 19.0 | 4148301585 | 
| F48×10 | F42×10 | 59 | 59 | 203 | 40 | - | 4148301586 | 
| F48×10 | F48×10 | 59 | 59 | 203 | 40 | - | 4148301587 | 
| F48×10 | 2"API Reg | 59 | 59 | 203 | 40 | - | 4148301588 | 
| Female - Female | |||||||
| Female A | Male B | Diameter A | Diameter B | Length | Wrench flat | Weight | Part Number | 
| mm | mm | mm | mm | kg | |||
| 2 3/8"API Reg | 2 3/8"API Reg | 77 | 77 | 200 | 65 | 4.5 | 4148301589 | 
| 2 3/8"API Reg | 2 3/8"API Reg | 90 | 90 | 200 | 65 | 6.0 | 4148301590 | 
| 2 3/8"API Reg | 2 7/8"API Reg | 90 | 90 | 225 | 65 | 6.2 | 4148301591 | 
| 2 3/8"API Reg | 3 1/2"API Reg | 115 | 115 | 210 | 95 | 10.0 | 4148301592 | 
| Male - Male | |||||||
| Female A | Male B | Diameter A | Diameter B | Length | Wrench flat | Weight | Part Number | 
| mm | mm | mm | mm | kg | |||
| 2 3/8"API Reg | 2 3/8"API Reg | 90 | 90 | 70 | 65 | 4.6 | 4148301593 | 
| 2 3/8"API Reg | 3 1/2"API Reg | 90 | 115 | 97 | 95 | 9.0 | 4148301594 | 
| 3 1/2"API Reg | 3 1/2"API Reg | 115 | 115 | 90 | 95 | 10.0 | 4148301595 | 
Applications
• Underground mining
 • Quarry benching operations
 • Water well drilling
Picture:

Company Information
KSQ Technologies (Beijing) Co. Ltd. has significant experience and know-how in the supply of materials, components, finished goods, specially designed/engineered equipment, and services from China. The company caters to medium to large scale clients who are doing projects and capital expansion, as well as to firms who require support with consumable products, maintenance, and repair operations.
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