Nuts

Hex nuts, TVS self lock (nylock) nuts, dome nuts, wing nuts, lock nuts, LH nuts and rod connectors in MS, HT and SS.

Buy nuts in Trichy & Thanjavur from Bismi Bolt House, with delivery across Tamil Nadu and all over India.

7 products

Hex Nut

Standard hexagon nuts in MS, grade 8 / 10 high-tensile and SS 304 for M3 to M36 bolts.

Mild steelHigh tensile steelM3 to M36

Self Lock Nut (Nylock Nut)

TVS and other brand nylon insert self lock nuts (DIN 985) in MS, HT and SS, M3 to M36, that do not work loose…

Mild steelHigh tensile steelM3 to M36

Dome Nut (Cap Nut)

SS and MS dome nuts (acorn / cap nuts, DIN 1587) that cover the bolt end for a neat, safe finish, M4 to M20.

Stainless steel SS 304Mild steelM4 to M20

Wing Nut

MS and SS wing nuts (DIN 315) that tighten by hand without tools, M4 to M16, for covers, clamps and…

Mild steelStainless steel SS 304M4 to M16

Rod Connector (Coupling Nut)

Long hex rod connectors (coupling nuts, DIN 6334) to join two threaded rods, M6 to M20, zinc-plated and SS.

Mild steelStainless steel SS 304M6 to M20

Lock Nut (Thin / Jam Nut)

Thin hex lock nuts (jam nuts, DIN 439 / DIN 936) in MS and HT, used as a second nut to lock a joint, M6 to…

Mild steelHigh tensile steelM6 to M36

LH Nut (Left Hand Thread Nut)

Left hand thread (LH) hex nuts that tighten anti-clockwise, for grinders, spindles, turnbuckles and rotating…

Mild steelHigh tensile steelM6 to M30

Nuts to match every bolt

We stock nuts in all common metric sizes, from M3 to M36, in coarse and fine pitch. Always pick a nut of the same or higher grade than the bolt: an 8.8 bolt should be used with a grade 8 nut or above.

Types we keep

Hex nuts (DIN 934 / IS 1363): the standard nut for general use
Nylock / nyloc nuts (DIN 985): a nylon ring stops the nut working loose under vibration
Dome / cap nuts (DIN 1587): cover the bolt end for a neat, safe finish
Flange nuts: a built-in washer spreads the load
Lock nuts, wing nuts, square nuts and coupling nuts on request