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BELKNAP’S MICRO-ADJUSTABLE TORQUE WRENCHES offer versatility for applications that require more than one torque value. They feature a distinct breaking action when the set torque is reached. Simply pull down the spring loaded lock ring and turn the handle to set your target torque value. The positive locking device cannot be jarred into an unlocked position.

Our own metrology lab tests have shown that repeatability and accuracy are maintained after thousands of cycles (when properly used.) Additionally, our customers over the years have proven our test reports through actual production line and maintenance use.

KEY FEATURES

  • Standard industrial grade ratchet head.
  • Accuracy = ± 4% CW and ± 6% CCW from 20% to full scale.
  • Easy to operate.
  • Industrial strength.
  • Easy to read, laser marked scale.
  • Positive lock with spring loaded pull-down lock ring.
  • Rugged knurled metal handle for industrial use.
  • Meets or exceeds ASME B107.300 – 2010.
  • English scale primary, Newton Meter scale secondary.
  • Most models feature a quick release button which provides good socket retention and easy socket removal.
  • Calibration certificate available upon request.

OPERATING PROCEDURES:  View as PDF

micro-adjustable-torque-wrench
Torque Extension Calculator Micros_2

USING ADAPTERS OR EXTENSIONS
Adapters or extensions should only be used in line with the wrench, as opposed to being at an angle, and the actual torque applied (TA) will be greater than the torque reading shown.

Determine the actual torque applied by using the formula below:

* Our online Extensions Calculator does all the calculating for you with real-time updates.

Micro-Adjustable Torque Wrenches
Torque Range Torque Range Increments Increments Square Drive Length Weight Ext
Part # English Metric English Metric Size (In.) (In.) (Lb.) Handle
501MRMH 10 - 50 In Lb 1.1 - 5.4 Nm 1.0 in 0.06 nm 0.25 10 0.85
1501MRMH 30 - 150 In Lb 3.3 - 16.4 Nm 1.0 in 0.10 nm 0.25 10.25 0.85
2502MRMH 50 - 250 In Lb 5.5 - 27.7 Nm 1.0 in 0.10 nm 0.375 11 0.95
7502MRMH 150 - 750 In Lb 16.4 - 81.9 Nm 5.0 in 0.60 nm 0.375 15.5 2.5
10002MRMH 200 - 1000 In Lb 22.0 - 110.2 Nm 5.0 in 0.60 nm 0.375 15.75 2.5
25003MRMH 500 - 2500 In Lb 55.4 - 276.8 Nm 10.0 in 1.20 nm 0.5 18 3.2
752MFRMH 15 - 75 Ft Lb 19.7 - 98.3 Nm 0.5 ft 0.70 nm 0.375 15.5 2.5
1002MFRMH 20 - 100 Ft Lb 26.4 - 132.2 Nm 0.5 ft 0.70 nm 0.375 15.5 2.55
1503MFRMH 30 - 150 Ft Lb 39.4 - 197.0 Nm 1.0 ft 1.50 nm 0.5 19 3.2
2503MFRMH 50 - 250 Ft Lb 66.4 - 332.0 Nm 1.0 ft 1.50 nm 0.5 24.5 3.75
6004MFRMH 120 - 600 Ft Lb 155.8 - 779.0 Nm 5.0 ft 6.80 nm 0.75 41 12
10005MFRMH 200 - 1000 Ft Lb 264.4 - 1322.0 Nm 5.0 ft 6.80 nm 1 70 25.1 1
20005MFMHSS 400 - 2000 Ft Lb 10.0 ft 1 108.5 48.5 2

NOTES:
• 10005MFRMH comes packed in a metal box.
• 20005MFMHSS is a single scale (ft. lb.), with a fixed/non-ratcheting head and comes packed in a sturdy cardboard box.