Detachable rotating back bolt

Detachable rotating back bolt is a new type of curtain wall anchoring material, processed with high-quality stainless steel material. Different specifications of back bolts are configured according to the thickness and hardness of stone and ceramic plates to meet the needs of curtain wall design.  

Irregular back bolts can be customized according to the design

Product Introduction

The Dezhigu rotary back bolt is composed of an expansion sleeve with a threaded inner edge of a hexagonal tail wing, an internal hexagonal screw, and a flange stop nut - a standard back bolt (1). As an option, hexagonal screws can also be used instead of screws and flange stop nuts - standard back bolts (2), without the need for any flat washers. The expansion sleeve is placed into a "wedge hole" and a controllable stress free anchoring structure is formed by screwing in the screw.

Classification of rotary back bolts

The Dezhigu rotary back bolt is divided into two types: standard back bolt and limit back bolt. The standard back bolt is composed of a back bolt sleeve, a screw, and a flange stop nut; The limit type back bolt consists of a back bolt sleeve and hexagonal head screws.

Product material

The material of the Dezhigu rotary back bolt is mainly divided into 304 (A2) and 316 (A4).