Williams SNP13412A Adjustable Wrench 12" Chrome

The Williams SNP13412A is an adjustable wrench, 12 inch, chrome.

At 12 inches the adjustable wrench's fundamental weakness starts to matter, and it is worth stating plainly.

The movable jaw rides on a worm screw. That screw and its slot are the only things holding the jaw in position, and they are dramatically weaker than the fixed jaw cast into the head. A 12 inch handle applies serious torque, and if that torque is going the wrong way — pushing against the movable jaw — it goes through the screw. The jaw opens under load, the wrench slips, and the fastener is rounded.

So the rule that is a suggestion on a small wrench becomes structural here: pull toward the movable jaw. Every time. It is why the jaw is on the side it is on.

The related rule: set the jaw tight before pulling. Play between jaw and flat is what lets a wrench cam off a corner, and an adjustable with a loose jaw on a tight fastener will round it on the first pull.

At 12 inches this handles plumbing, machinery, and general work — and it is the size where a proper wrench, if one exists for the fastener, is worth fetching.

Chrome resists corrosion and wipes clean.

Brand

Williams

SKU

SNP13412A

Category

Hand Tools

Weight

1.75 lbs

Dimensions

12.00 x 3.00 x 0.85

Price

$27.95

Availability

Call for pricing

Rating

4.71 / 5.0