Torsional Shear Bolt

Torque-shear bolt is also well known for torsional shear bolt, is a specialized high-strength fastener designed for critical structural connections. Its external feature is that the bolt head is cup head, and at the end of the rod, there is a plum blossom-shaped breaking groove i.e., the torque control section, which is used in conjunction with the matching torque-shear type nuts and washers.

Specification

Standard GB3632

JSS II 09

Size

Diameter length M1640-150 M2045-180 M2250-200 M2450-200 M2765-200 M3080-200

Material 20MnTiB 35VB

nut  material-size 35K-Diameter24 35K-Diameter28/30 35K-Diameter34 35K-Diameter34/36 45#-Diameter38 45#-Diameter42

washer  material-size 45#-Thickness3.55 45#-Thickness3.55 45#-Thickness4.55/4.6 45#-Thickness4.55/4.6 45#-Thickness4.55/4.6 45#-Thickness4.55/4.6

Surface treatment black oxide

Grade 10.9

Production process Raw materials entering the factory - drawing - cold heading  -Heat treatment- inspection - packaging

Package 30kg/ctn

Remarks The tensile strength is more than 1000mpa