Use:
Controlled screw tightening in the most widely used range of 1 - 850 N·m / 10 lbf·in - 630 lbf·ft
For use in almost all industrial manufacturing areas Features:
Classified to DIN EN ISO 6789:2003 Type II Class A, with a factory certificate. Working accuracy: +/- 3% tolerance of scale set torque. The specification of the standard (+/- 4%) is exceeded.
Adjustable torque wrench with square drive and integrated ratchet function
For controlled bi-directional tightening (type K, US), type UK (5550) only for controlled clockwise tightening
1/4", 3/8", 1/2" interchangeable mushroom head with ball locking device as per DIN 3120 - A 6.3, A 10 or A 12.5, similar to ISO 1174
With 3/4" push-through square drive with pin-locking mechanism (from model no. 4550-40)
With certificate acc. to DIN EN ISO 6789, traceable via in-house DKD laboratory to national standards
Release system triggers a tactile and audible signal
Sturdy, satin chrome-plated tubular steel design, with chrome-plated ratchet head and high-quality plastic parts
Dual scale N·m and lbf·in / lbf·ft below a window with a magnifying glass effect
Magnifying glass with marking for minimum paralaxe errors allows a high degree of safety when setting the requisite torque value
Additional micrometre scale for setting interim values
Ergonomically shaped, convenient black plastic handgrip
With an indentation in the middle of the handgrip as a calibration aid
TORCOFIX K US (6550 - 6551) - version for Angloamerican units