Williams SNPTCQZXM50ADP Torque Wrench Head Dual Pin 50 mm 12 Point Z Dual Pins

The Williams SNPTCQZXM50ADP is a dual pin torque wrench head, 50 mm, Z dual pin shank, 12 point, maximum torque 480 ft-lb.

A 50 mm fastener is about two inches across the flats, and reading it against the 480 ft-lb rating is instructive.

The rating is the head's, not the fastener's. Fifty millimetres of bolt can take considerably more than 480 ft-lb — a fastener that size in a structural application may be specified well above it. So this head reaching its limit does not mean the fastener has reached its specification, and that gap is where mistakes live.

The rule: match the head to the torque required, then check that the head can take it. Not the other way round. An operator seeing a 50 mm head assumes 50 mm of capability, and the head is the limit.

Where a 50 mm fastener needs more than 480 ft-lb, the tool is a different one entirely — a multiplier, a hydraulic tensioner, or a hydraulic torque wrench. Those exist precisely because hand tools run out.

The dual pin arrangement is what gets an interchangeable head to 480 at all: two pins sharing the shear load that a single pin could not.

The offset correction remains mandatory. At this torque a twenty percent error is a hundred foot-pounds.

Brand

Williams

SKU

SNPTCQZXM50ADP

Category

Hand Tools

Weight

1.31 lbs

Dimensions

5.25 x 2.25 x 2.00

Price

$240.00

Availability

Call for pricing

Rating

4.77 / 5.0