Petrochemical & Energy
Critical bolting, studding and fasteners for petrochemical and energy work
Petrochemical and energy work runs on certified bolting: B7, B8, B8M, B16 and L7 studding with heavy hex nuts, to ASTM A193, A320 and A194. We supply it alongside the full fastener range — stock and made to order, with the paperwork your quality system expects.
Studding and heavy hex nuts
B7, B8, B8M, B16 and L7 studding to ASTM A193 and A320, with matching heavy hex nuts to ASTM A194, in metric and imperial sizes.
Certification and traceability
Certificates of conformity and batch traceability to support your quality system. EN 10204 3.1 material certificates available when specified at the time of enquiry. See our quality and accreditations page for the full picture.
Stock and specials
Deep stock across the standard range, with specials supplied made to drawing. Send the requirement and quotes come back within 24 hours.
Critical bolting supplied to petrochemical and energy customers alongside our defence, marine and rail work.
Start a conversation
Send your bolting schedule or specification — we'll respond with a compliant quotation within 24 hours.