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Bolt basket

The flexible screw can adjust the tightness of wire rope. It can bundle components in the transportation, loose tightness in the installation correction. Made by left and right hand thread rod, nut and pull rod, the adjusting rod is fixed on security locking device, which is connected  with cover plate, dead plate and guide plate with anti-theft lock bolt. Special setting sleeve is needed to unscrew anti-theft lock bolt, so it has good anti-theft effect, safe and reliable. After removal of security locking device, you can slip by the ring on the guide plate and move a distance to get adjustment and operation. There is no need to take it off, so it is easy to use. Basket bolt is a steel casting. Calculation its corresponding tie rod is enough in the design process, but the specifications of the basket should be one grade higher than the drag. The following is commonly used tie rod and the corresponding basket specifications in steel structure design:

Tie basket
Φ20 M22
Φ24 M27　
Φ28 M30
Φ30 M32

If using other specifications pull rod, the basket can be customized. There are various specifications of ordinary or high strength bolt, flowers basket bolt and open flower bolt. Material:Q235B, 45 steel bolts, 40Cr, 35CrMoA, Q345D Surface treatment: Optional white zinc plating, blue white zinc, color zinc, black and grey zinc Surface treatment way; Product level: 4.8, 8.8, 10.9, 12.9 optional.