Sighted internally threaded nut

Product type Head type Thread size
F1 S20

bigHead fastener with an internally threaded nut fixing welded to a Sighted ∅20mm circular perforated Head (ISO metric coarse pitch thread).

Sighted graphic
Carbon steel with bright zinc coating
Product code: F1 S20
Download Carbon steel technical data sheet
316 Stainless steel
Product code: SF1 S20
Download 316 Stainless steel technical data sheet
If you require a different size from those listed please speak to the bigHead sales team on +44 (0) 1202 574 601 or