Rock Bolt Accessories

Spherical Washers are designed to aid even fastening between parts with irregular alignment. The top washer features a convex spherical radius for aligning in the con-caved bottom washer. Both...

Spherical washers, also called self-aligning washers, have convex-shaped radiuses, and are used tocompensate when a bolt or screw does not have an exact perpendicular position with a surface.

We are forged products, better than casting products.
General finish is zinc plated, we can do as your request.
Our goods is widely used in formwork, mining, tunneling and...

​Spherical Washers are designed to aid even fastening between parts with irregular alignment. The top washer features a convex spherical radius for aligning in the con-caved bottom washer. Both...

Spherical Seat Washers are designed to aid even fastening between parts with irregular alignment. The top washer features a convex spherical radius for aligning in the con-caved bottom washer....

Material: #1045 steel
surface treatment: Plain, Black, zinc plated and Hot dip galvanized
Locking characteristic
Nuts hot forged

A flange nut is a nut that has a wide flange at one end that acts as an integrated, non-spinning washer. These nuts have serrations on the integrated washer giving it a "locking" characteristic.

We will provide the best quality, prices, delivery and service.
Normal material is 1045, normal black finish, normal metric thread.
We can do as your request, any OEM is welcome.

Material: #1045 steel
surface treatment: Plain, Black, zinc plated and Hot dip galvanized
Locking characteristic
Nuts hot forged

A flange nut is a nut that has a wide flange at one end that acts as an integrated, non-spinning washer. These nuts have serrations on the integrated washer giving it a "locking" characteristic.

Material: #1045 steel
surface treatment: Plain, Black, zinc plated and Hot dip galvanized
Locking characteristic
Nuts hot forged

Material: #1045 steel
surface treatment: Plain, Black, zinc plated and Hot dip galvanized
Locking characteristic
Nuts hot forged