1/4 short sleeve inner and outer hexagonal sleeve

Surface treatment mirror

Sleeve specification: 4MM---14MM

The sleeve is forged with vanadium steel, quenched as a whole, and the hardness value can be 55-60.

The special arc inner corner thin-walled design makes the sleeve head and the nut contact surface edge contact: increase the torque by 15%, make the nut easier to tighten or open, and increase the service life of the nut. Can effectively reduce the wear of the nut tip angle, operate without slipping, and be more flexible.

Surface mirror, knurled double treatment, more beautiful design, strong corrosion resistance, not easy to rust, extend the service life of the sleeve.