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The Master Wrench was specifically designed for use in a railway environment. It will remove/fit Lagscrews and Joint Bar Nuts in under seven seconds and with our Safety Quick Release Auger Attachment can be easily converted into a Wooden Tie Drilling Machine.
We invented the Gas Driven Impact Wrench in the 1970’s and since then have continually improved its quality and reliability to ensure our Master 35 Impact Wrench remains the best of its kind in the World.
The Master Wrench was specifically designed for use in a railway environment. It will remove/fit Lagscrews and Joint Bar Nuts in under seven seconds and with our Safety Quick Release Auger Attachment can be easily converted into a Wooden Tie Drilling Machine.
| DIMENSIONS |
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| ENGINE | Emak 56 c.c. Two Stroke | ||||
| FASTENER TYPE | Bolt | 5/8″ to 1 ¼” diameter | |||
| Rectangular | all sizes | ||||
| Hexagon | Up to 3 ¼” | ||||
| Square/Bi-Square | Up to 2 ¼” | ||||
| NOISE LEVELS | Acoustic pressure (LpA) readings Idling 87 : dB(A) Acoustic power (LWA) according to ISO 3746 Idling 96 : dB(A) Under very extreme working conditions the machine can reach 103 & 118 : dB(A) respectively | ||||
| SQUARE DRIVE | Standard 1″ | ||||
| VIBRATION EXPOSURE GUIDE | Use of high quality materials, tight engineering tolerances and fast operation help to reduce vibration exposure to a manageable level | |||
| Application | Vibration Level | Time to loosen/tighten seconds | Number of Fasteners to reach EU levels | |
| m/s2 | Active EAV | Limit ELV | ||
| Fishplate Nuts | 11.2 to 11.6 | 3 | 430 | 1800 |
| Chairscrews | 9.8 to 11 | 6/7 | 240 | 1000 |
| Vibration exposure levels will vary depending on condition of Wrench, Anvil, Socket and fastener and health of operator. Data based on on-track practical trials conducted by Loughborough University in February 2008 | ||||
| WEIGHT | 40 lbs | |||
| WORKING TORQUE | 350 to 1325 ft/lbs approximately, adjusting using our five setting control knob. It is possible to achieve higher torques of up to 2,750Nm but this can only be achieved under special conditions | |||
| The Master will loosen any screwed fastener previously tightened by any other Gas Driven Impact Wrench | ||||
