TWM Range | Extraservice

TWM

The TWM range of industrial manual torque wrenches offers 7 models with torque capacities from 10 to 850 Nm (7 to 630 lbf.ft) with square drive sizes from ⅜” to ¾”. All models are designed and manufactured to meet or exceed the highest demands of industry and are marked with a unique serial number and supplied with a calibration certificate.

All TWM manual torque wrenches have a dual scale reading of Nm and lbf.ft and are ideally suited for applications requiring repeatable, accurate torqueing of bolts and nuts. The reversible square drive and integrated ratchet head allows the wrench to be used for torque control in both clockwise and anti-clockwise directions. All models incorporate an ergonomic handgrip and integrated locking mechanism to prevent accidental alteration of the torque setting during operation. The ratchet head gives a audible click immediately the required preset torque is achieved.

Torque capacities from 10 to 850 Nm
Repeatable accuracy +/- 3%
Dual scale Nm & lbf.ft.

Heavy duty ratchet head
Reversible square drive
Supplied with calibration certificate
Micrometer scale for setting accurate interim values

Specifications

Model Number	Square drive	Torque range		Main scale grad. Nm	Micro scale grad. Nm	Overall length mm	Ratchet head dia mm	Weight kg
Model Number	Square drive	Nm	lbf.ft	Main scale grad. Nm	Micro scale grad. Nm	Overall length mm	Ratchet head dia mm	Weight kg
TWM50	3/8″	10 – 50	7 – 37	2.5	0.25	334	35	0.5
TWM100	1/2″	20 – 100	15 – 75	5	0.5	394	44	0.9
TWM200	1/2″	40 – 200	30 – 150	10	1	485	44	1.1
TWM300	1/2″	60 – 300	45 – 220	10	1	577	46	1.4
TWM400	3/4″	80 – 400	60 – 300	10	1	686	67	2.0
TWM550	3/4″	110 – 550	80 – 405	10	1	956	69	3.8
TWM850	3/4″	250 – 850	185 – 630	10	1	1379	69	4.7

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