What is the spiral sleeve

Spiral sleeve, English name Twist Socket, is a repair tool, mainly used to remove rusty, damaged or rounded nuts and bolts are different from conventional sleeve hexagonal, 12-square straight groove, the inside of the spiral sleeve is a special six-edged/12-edged conical anti-spiral groove. The spiral groove is similar to the teeth of a tap. When in use, the anti-spiral groove can firmly tighten the nut, so that it is more labor-efficient, damaged nuts and bolts.

Different from the conventional sleeve hexagonal and 12-square straight groove, the inside of the spiral sleeve is a special six-edged/12-edged conical anti-spiral groove, and the spiral groove is similar to a tap tooth, when in use, the reverse spiral groove can firmly bite the nut, so that it is more labor-saving to screw out the rusted and damaged nuts and bolts.

The material of the spiral sleeve is generally made of high-strength chromium molybdenum steel, and the wear resistance and impact toughness are better than the general sleeve.