Collar Bolt

Collar bolts are a type of fastener that is extensively used to hold the bundle in the exact place for removable bundle heat exchangers. This ensures the channel removal without interrupting or breaking the seal between the shell and tube sheet.

Size Range:M3 – M16
STD:DIN 912, ISO 4762 & ASME
Available Grades:8.8, 10.9, 12.9, SS 304, SS 316