Hawk Industries SPINMASTER 950-A — pneumatic drill pipe spinner (spinning wrench) for 2.875″ to 9.5″ OD drill pipe. High torque output up to 2,272 ft.lbs., scissor case design with roller-type chain gripper, air-over-hydraulic power pack for door closing cylinders. One of the fastest, safest and most efficient drill pipe spinners on the market.
Hawk Industries-Spinning Wrench, Drill Pipe Spinner-Spinmaster 950-A
Description
Hawk Industries SPINMASTER 950-A — Drill Pipe Spinner / Spinning Wrench
The SPINMASTER 950-A is one of the fastest, safest and most efficient drill pipe spinners on the market today. Available in pneumatic or hydraulic models in two sizes, the SPINMASTER features a field-proven gripping system along with a wide range of performance enhancements. This unit includes power packs (air over hydraulics) to operate the door closing cylinders.
The 950-A is the large-frame pneumatic model, covering drill pipe from 2.875″ to 9.5″ OD with a high torque output of up to 2,272 ft.lbs. — combining spinning and torque wrench capability in a single compact unit that reduces crew size and rig-floor risk.
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Features & Benefits
- High torque output of up to 2,272 ft./lbs.
- Scissor case design with perpendicular pin-mounted cylinders for increased gripping force
- Quick pin releases allow unit to slide easily to new hole location
- External mounted bearings with removable caps for ease of maintenance
- Roller-type chain eliminates slippage, extends life and lowers maintenance costs
- Compact design is lighter than comparable tools, helping to reduce crew fatigue
- Built-in door closing cylinders — powered by air-over-hydraulic power packs for safe, controlled gripping
SPINMASTER Standard Specifications
The SPINMASTER family covers four models — hydraulic (H) and pneumatic (A) versions in two frame sizes (550 and 950). All models share the same field-proven gripping system.
| Model | 550-H Hydraulic |
550-A Pneumatic |
950-H Hydraulic |
950-A Pneumatic |
|---|---|---|---|---|
| Pipe Size Range | 2.875″ to 5.5″ | 2.875″ to 5.5″ | 2.875″ to 9.5″ | 2.875″ to 9.5″ |
| Maximum Torque (ft-lb) | 600 – 1085 | 600 – 1250 | 600 – 2100 | 600 – 2272 |
| Maximum Speed (rpm) | 130 to 70 | 130 to 70 | 130 to 39 | 130 to 39 |
| Weight (lbs) | 500 | 550 | 575 | 625 |
| Dimensions (W × D × H) | 21″ × 28″ × 45″ | 21″ × 28″ × 45″ | 22″ × 36″ × 45″ | 22″ × 36″ × 45″ |
| Power Requirements | 20 GPM @ 2000 PSI | 240 CFM @ 100 PSI | 20 GPM @ 2000 PSI | 240 CFM @ 100 PSI |
Applications
- Drill pipe spin-up / spin-out during tripping operations on drilling rigs
- Make-up and break-out of 2.875″ – 9.5″ OD drill pipe tool joints
- Replacement for tong-and-spin-chain combinations — one operator instead of two
- Workover and completion rigs requiring fast, safe pipe rotation
- Mouse hole and dog house connection make-up
Why Choose CAMTOP
- Full SPINMASTER range — 550-H / 550-A / 950-H / 950-A models available on request
- Interchangeable design — compatible with Hawk Industries SPINMASTER mounting and power pack interfaces
- Spare parts in stock — chain, grip blocks, bearings, door cylinders and seal kits available ex-stock
- Factory testing — every unit is load-tested and torque-calibrated before shipment
- 24/7 technical support — direct engineering line for rig-up, troubleshooting and custom configurations
Ordering Information
| Model | SPINMASTER 950-A (Pneumatic) |
| Part Number | CT-SPM-950A |
| Includes | Spinner unit with air-over-hydraulic power pack for door closing cylinders |
| Warranty | 12 months from delivery against defects in materials and workmanship |
| Lead Time | Contact us for current stock and delivery schedule |
Contact CAMTOP for Orders & Technical Support
Email: sales@cposl.com
Phone/WhatsApp: +86-18621723891
Address: No.432, Fute North Road, Pudong District, Shanghai, China
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