General Tools & Instruments 147 6 In. Digital Fractional Caliper
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A 3/4-inch drive click torque wrench covering 100–600 lbf-ft with ±3 % accuracy and a 48-tooth ratchet
This 3/4 inch drive click torque wrench covers a range of 100-600 lbf-ft or 136-814 N.m with a 25 lbf-ft increment. It delivers ±3% accuracy in the clockwise direction and uses a 48-tooth ratchet mechanism. The scale displays both lbf-ft and N.m units for direct reading. It is built for heavy-duty fastening tasks requiring high torque values.
The 3/4" drive size and 600 lbf-ft maximum capacity replace 1/2" drive wrenches when fasteners exceed their torque limit or socket fit. The jump is worth it when working on large commercial vehicle lug nuts, heavy machinery bolts, or industrial flange assemblies. The included 3/4" to 1" adapter extends compatibility to larger sockets. Buyers who need higher torque capacity or 1" drive compatibility without an adapter are not served by this model.
The wrench measures 39.76 x 2.48 x 2.31 inches and weighs 16.76 lb with accessories, requiring adequate swing clearance and operator strength. It includes a hex wrench for adjustment and a calibration certificate for verification. The dual-direction operation supports tightening and loosening tasks. The package fits in a 41.14 x 8.46 x 3.27 inch box for storage. Users without space for a 1010 mm tool length or capacity to handle 7.6 kg should consider smaller drive sizes.
Measured against everything we stock in Ratchets, Sockets & Drive Tools, at today’s prices. Recalculated every night.
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The wrench uses a 3/4-inch square drive and measures 39.76 inches (1010 mm) long, so check that your socket set and work area can accommodate that reach.
Unlock the handle, turn it until the desired value aligns with the 25 lbf-ft (34 N.m) increment marks on the dual-scale barrel, then relock — the common mistake is forgetting to relock before use.
The included calibration certificate covers the ±3% clockwise accuracy; plan periodic recalibration per your quality system and inspect the 48-tooth ratchet mechanism and 3/4-to-1-inch adapter for wear over time.
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