Industrial Fasteners
Nuts Supplier in India
Nuts convert a bolt, stud or threaded rod into a clamped joint. The right nut depends on the thread, the strength class of the mating bolt, the vibration environment and the space available. We list 18 nut types, from everyday hex nuts to prevailing-torque lock nuts, welded nuts and structural nuts for steel erection.
Nuts
Hex Nuts
The standard six-sided nut for general assembly with bolts, studs and threaded rod.
ISO 4032DIN 934Class 5Class 8
Nuts
Heavy Hex Nuts
Thicker, wider hex nuts for high-strength and pressure-equipment bolting.
ASTM A194 Grade 2HASTM A563 Grades C, DHASTM A194 2HASTM A563 Grade C
Nuts
Jam Nuts
Thin hex nuts used to lock a standard nut or where space is limited.
ISO 4035DIN 439Class 04Class 05
Nuts
Lock Nuts
All-metal prevailing-torque nuts that resist loosening under vibration.
ISO 7042DIN 980Class 8Class 10
Nuts
Nylon Insert Lock Nuts
Hex nuts with a nylon collar that grips the thread and resists vibration loosening.
ISO 7040ISO 10511Class 6Class 8
Nuts
Flange Nuts
Hex nuts with an integral washer face that spreads load and may resist loosening.
DIN 6923ISO 4161Class 8Class 10
Nuts
Wing Nuts
Hand-tightened nuts with two wings, for fastenings that are opened often.
DIN 315ASME B18.17As per standard
Nuts
Square Nuts
Four-sided nuts that sit in a slot or against a flat edge without turning.
DIN 557DIN 562 (thin)Class 4Class 5
Nuts
Castle Nuts
Slotted crown nuts that take a split pin through the bolt to lock in position.
DIN 935ASME B18.2.2Class 6Class 8
Nuts
Slotted Nuts
Low-profile slotted hex nuts for split-pin locking where height is limited.
DIN 937DIN 979Class 5Class 6
Nuts
Cap Nuts
Dome-topped (acorn) nuts that cover the end of the bolt thread.
DIN 1587DIN 917Class 6Class 8
Nuts
T-Nuts
Tee nuts and T-slot nuts that give a threaded point in wood or an aluminium profile slot.
Manufacturer standard (tee nuts)DIN 508 (T-slot nuts)As per manufacturer standard
Nuts
Weld Nuts
Nuts with projections that are welded to sheet or plate to create a fixed thread.
DIN 929 (hex weld nuts)DIN 928 (square weld nuts)Class 5Class 6
Nuts
Eye Nuts
Forged nuts with a ring, used as a lifting or tie-down point on a threaded stud.
DIN 582As marked on product
Nuts
Knurled Nuts
Round nuts with a knurled surface for hand adjustment without tools.
DIN 466 (high form)DIN 467 (low form)As per standard
Nuts
Structural Nuts
Heavy hex nuts for high-strength structural bolting assemblies.
ASTM A563 Grades C, DHASTM F3125A563 DHA563 C
Nuts
Stainless Steel Nuts
Corrosion-resistant hex and specialty nuts in A2 and A4 stainless steel.
ISO 3506-2ISO 4032 / DIN 934 (dimensions)A2-70A4-70
Other fastener types
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