TAVINOX GROOVE · coupling accessories
Bolt and nut for grooved couplings
Fasteners for rigid grooved couplings (1× bolt + 1× nut)
Fasteners for TAVINOX GROOVE rigid grooved couplings — a set of 1× bolt + 1× nut in stainless steel, available for sizes DN 125 to DN 300. Threads from M10 to M24 depending on the coupling size. Maximum tightening torques are given in the table below.
Prices from 65 CZK excl. VAT / pc
The price depends on the size — see the overview below. Fasteners are available through our network of wholesale partners.
Where to buy TAVINOXThreads and tightening torques
Tighten the coupling nuts evenly, alternating from side to side, until the bolt pads make metal-to-metal contact. The values are the maximum permissible tightening torques given in the TAVINOX GROOVE technical manual (section 5.1). Material: stainless steel.
65–78 N·m
280–330 N·m
380–450 N·m
540–650 N·m
940–1120 N·m
⚠️ DO NOT continue tightening the nuts once proper metal-to-metal contact has been made. For the detailed procedure see the TAVINOX GROOVE technical manual.
Have a technical question?
A TAVINOX technician will personally answer your questions about the TAVINOX GROOVE grooved system.











