CDI Torque SNP6004MFRMH Type Micrometer Adjustable Dual Scale 3/4 Inch 42 Inch

The CDI Torque SNP6004MFRMH is a micrometer adjustable dual scale torque wrench, 3/4 inch drive, 42 inch overall length, primary scale 100 to 500 ft-lb, 5 ft-lb increments, 11.85 lb.

Forty-two inches and nearly twelve pounds is the specification, and it tells you what this tool is: a two-handed instrument for structural and heavy equipment bolting.

The length is not for convenience. Torque is force times distance, and 500 ft-lb through a short handle would require a force no person can apply. A 42 inch handle brings 500 ft-lb into the range of a human being leaning on it — roughly 143 pounds of force at the very end. That is a real effort, and it is achievable.

Which leads to the rule that matters most on a wrench this size: the force must be applied at the handle's grip point, and nowhere else. The calibration assumes a specific distance. A hand six inches further in reads low; an extension on the end reads high, and by a lot. On a 42 inch wrench that error is large enough to matter on a structural connection.

The other rules apply. Store at the lowest setting — a compressed spring takes a set. Never loosen with it. Recalibrate periodically, and immediately after a drop.

The dual scale gives ft-lb and Newton-metres.

Brand

CDI Torque

SKU

SNP6004MFRMH

Category

Hand Tools

Weight

15.9 lbs

Dimensions

34.25 x 2.50 x 2.25

Price

$800.00

Availability

In stock

Rating

4.21 / 5.0