PQ drill rod
PQ drill rod, PQ wireline drill rod, PQ coring rod.
PQ wireline drill rod play an important part in P size wireline drilling. It provides the channel for PQ inner tube assembly. It also transits the torque, drill pressure in complex and harsh conditions.
PQ wireline drill rod tubing
●High quality alloy steel tubing
●Good concentricity, straightness and heat treatment
●Tubing properties meet the industry standard
PQ wireline drill rod thread
●Typical PQ tapered, course threads (3 threads per inch) provides easy make and break
●Load efficiency of 30% provides sufficient strength for most drilling conditions
PQ wireline drill rod heat treatment
●Provides higher material strength
●Whole rod Heat treated significantly increases rod life
PQ wireline drill rod case hardening
●PQ Pin thread crest is hardened to nominal 50-55 HRC to eliminate damaging'adhesion' wear
●Eliminates the transfer of wear material back and forth as seen between threads of equal hardness, leading to large scale galling and joint seizing
PQ wireline drill rod overview
| PQ wireline drill rod parameters |
| SIZE | OUTER DIAMETER | INNER DIAMETER | WEIGHT | THREAD PITCH | PIN LENGTH |
| (mm) | (mm) | (kg/3m) | (mm) | (mm) |
| PQ | 114.3 | 101.6 | 52.2 | 8.5 | 44.45 |
| PQ wireline drill rods bundle specifications |
| 3.0 m rod bundle (7 pcs) |
| Approx Dimensions (L x W x H)(mm) | 3100 x 400x 300 |
| Approx Volume(m³) | 0.4 |
| Approx Gross Weight(kg) | 375 |
| PQ wireline drill rods container shipments |
| 20 ft container | Approx load of 3.0 m rods 24 bundles (168 pcs) |
| 40 ft container | Approx load of 3.0 m rods 54 bundles (378 pcs) |
Best regards,
Phiger Leo
Direct Line: 0086-137-6419 5009
WeChat/WhatsApp:: +86-137-6419 5009
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ROSCHEN@ INC.
ROSCHEN@ GROUP LIMITED
ROBERT ROSCHEN@ LIMITED
ROSCHEN@ HOLDINGS LIMITED
HEFEI ROSCHEN@ TOOL CO., LTD.
ROSCHEN@ GEOLOGICAL TOOL CO.,LTD.
SHANGHAI ROSCHEN@ INTERNATIONAL CO., LTD.
ROSCHEN@ GEOLOGICAL INSTRUMENTS CO., LTD.
EMAIL: roschen@roschen.com ; roschen@roschen.net
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