Product Category
Industrial Fasteners
Nuts, bolts, screws, washers, studs, anchors and pins for construction, plant maintenance and OEM assembly. Metric and imperial, carbon steel and stainless steel, supplied Pan India in loose lots and bulk.
Shop by fastener type
Six families covering everything from standard hex nuts to chemical anchors and custom parts.
Nuts
Hex, lock, flange, castle, cap, weld and structural nuts for every joint type.
18 products →
Bolts
Hex, flange, carriage, anchor, U, eye, stud and structural bolts in every strength class.
15 products →
Screws
Machine, socket head, button head, countersunk, set, self-tapping and self-drilling screws.
13 products →
Washers
Plain, spring lock, fender, tab, Belleville, wave, sealing and structural washers.
13 products →
Studs
Fully threaded, double-end, tap-end, weld, foundation and high-strength studs.
8 products →
Industrial Fasteners
Threaded rods, anchors, rivets, pins, circlips, keys, fastener kits and custom fasteners.
18 products →
Search and filter all fasteners
Filter by size, material, grade, thread type, finish and standard. Options shown apply to the products listed.
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)A2-70A4-70Bolts
Hex Head Bolts
The standard hex head bolt in partial and full thread, in all common strength classes.
ISO 4014 / ISO 4017DIN 931 / DIN 9334.65.6
Bolts
Heavy Hex Bolts
Heavy hex head bolts with a larger head for high-load and general heavy-duty joints.
ASME B18.2.1 (heavy hex)ASTM A307 Grade A / BASTM A307ASTM A449
Bolts
Carriage Bolts
Domed-head bolts with a square neck that locks into wood or metal as the nut tightens.
DIN 603DIN 6074.65.6
Bolts
Anchor Bolts
Cast-in L-bend and headed bolts that anchor base plates and columns to concrete.
ASTM F1554 Grades 36, 55, 105ASTM A307ASTM F1554 Gr 36ASTM F1554 Gr 55
Bolts
Foundation Bolts
Foundation bolts in bent, rag, eye and headed forms for plant and machinery foundations.
IS 5624ASTM F15544.65.6
Bolts
Eye Bolts
Bolts with a ring head used as lifting or tie-down points.
DIN 580 (lifting)DIN 444 (swing / eye bolts)As marked on product
Bolts
Stud Bolts
Fully threaded studs supplied with two nuts for flange and pressure-equipment bolting.
ASTM A193 B7 / B7M / B8 / B8MASTM A320 L7A193 B7A193 B7M
Bolts
Track Bolts
Plough-style countersunk bolts with a square neck for track shoes and wear plates.
SAE J429 Grades 5, 8 (typical)Manufacturer drawingGrade 5Grade 8
Bolts
Structural Bolts
High-strength structural bolting assemblies for steel framing and bridges.
ASTM F3125 (A325 / A490)IS 3757A325A490
Bolts
High-Tensile Bolts
Hex bolts in property classes 8.8, 10.9 and 12.9 for high-load joints.
ISO 898-1IS 13678.810.9
Bolts
Stainless Steel Bolts
A2 and A4 stainless hex bolts for corrosion-prone environments.
ISO 3506-1ISO 4014 / 4017 (dimensions)A2-70A4-70
Bolts
Socket Head Bolts
Same product as Socket Head Cap Screws
Cylindrical head screws with an internal hex socket for compact, high-strength fastening.
ISO 4762DIN 9128.810.9
Bolts
Shoulder Bolts
Same product as Shoulder Screws
Socket head screws with a ground shoulder that acts as a pivot or guide pin.
ISO 7379ASME B18.3 (shoulder screws)12.9A2-70
Bolts
Expansion Bolts
Same product as Expansion Anchors
Torque-controlled mechanical anchors that expand against the hole wall in concrete.
ETAG 001 Part 2EAD 330232Zinc plated steelA4-70Screws
Machine Screws
Small screws with uniform threads for tapped holes and nuts in machines and assemblies.
ISO 1207ISO 15804.88.8Screws
Socket Head Cap Screws
Cylindrical head screws with an internal hex socket for compact, high-strength fastening.
ISO 4762DIN 9128.810.9
Screws
Button Head Screws
Low-profile domed head screws with a hex socket.
ISO 7380-1ISO 7380-2 (flanged)10.9A2-70
Screws
Countersunk Screws
Flat head screws that sit flush with the surface in a countersunk hole.
ISO 10642 (hex socket)ISO 7046 (cross recess)8.810.9
Screws
Set Screws
Headless screws that lock a collar, pulley or gear on a shaft.
ISO 4026 (flat point)ISO 4027 (cone point)Hardness class 45HA2-70
Screws
Self-Tapping Screws
Screws that form their own thread in sheet metal, plastic or thin plate.
ISO 1478 (ST thread)ISO 1481 / ISO 7049Case hardenedA2 / A4
Screws
Self-Drilling Screws
Screws with a drill point that drills, taps and fastens in one operation.
DIN 7504ISO 15480Case hardened
Screws
Pan Head Screws
Rounded-top screws with a flat bearing face, in slotted and cross-recess drives.
ISO 1580ISO 70454.88.8
Screws
Wood Screws
Tapered, coarse-thread screws for fastening into timber and board.
DIN 97DIN 96As per standard
Screws
Thumb Screws
Screws with a knurled or winged head for tool-free hand tightening.
DIN 464 (high form)DIN 653 (low form)As per standardScrews
Shoulder Screws
Socket head screws with a ground shoulder that acts as a pivot or guide pin.
ISO 7379ASME B18.3 (shoulder screws)12.9A2-70
Screws
Thread-Cutting Screws
Machine-thread screws with a cutting flute that forms a thread in pre-drilled holes.
DIN 7513DIN 7516Case hardened
Screws
Stainless Steel Screws
A2 and A4 stainless steel machine, socket, countersunk and self-tapping screws.
ISO 3506-1ISO 1207 / 7045 / 4762 / 10642 (dimensions)A2-70A4-70Washers
Plain Washers
Flat round washers that spread clamp load and protect the surface under a nut or bolt head.
ISO 7089ISO 7090Hardness class 100 HV / 140 HVA2
Washers
Spring Lock Washers
Single-coil split spring washers that add spring tension under a nut or bolt head.
DIN 127 BDIN 128Spring hardness (HRC 40–48 typical)
Washers
Heavy Series Washers
Thick, large-diameter washers for high-load joints and structural bolting.
DIN 7349DIN 6916Hardened 300–370 HV (structural)Hardness class 200 HV
Washers
Fender Washers
Washers with a large outside diameter for thin or soft material.
ISO 7093-1ISO 7093-2Hardness class 100 HV / 140 HVA2
Washers
Square Washers
Square flat washers for timber and structural connections.
DIN 436Hardness class 100 HV / 140 HVA2
Washers
Tab Washers
Washers with tabs that are bent over a nut or an edge to lock it.
DIN 93DIN 463Annealed
Washers
Taper Washers
Wedge-shaped washers that give a flat seat on sloping flanges of channels and I-beams.
DIN 434 (channels)DIN 435 (I-beams)Hardness class 100 HV / 140 HVA2
Washers
Sealing Washers
Soft metal or fibre washers that seal a fluid joint under a bolt or plug.
DIN 7603 (copper / aluminium rings)Manufacturer drawing (fibre, nylon, PTFE)Soft annealed (copper, aluminium)
Washers
Bonded Washers
Metal washers with a vulcanised rubber ring that seals under the bolt head.
Manufacturer drawing (varies by fitting size)Seal compound selected for the fluid
Washers
Belleville Washers
Conical disc springs that give high load in a small space and keep tension in a bolted joint.
DIN 2093 (disc springs)DIN 6796 (conical spring washers for bolts)Spring hardened
Washers
Wave Washers
Washers with a wavy profile that give light spring load over a small deflection.
DIN 137 (forms A and B)Spring hardened
Washers
Structural Washers
Hardened washers used under structural bolts and nuts in steel framing.
ASTM F436IS 6649Hardened 300–370 HVEN 14399 HR / HV
Washers
Stainless Steel Washers
A2 and A4 stainless washers in plain, fender, spring and Belleville types.
ISO 7089 / 7090 / 7093DIN 125 / 9021 / 127 (stainless)A2A4Washers
Flat Washers
Same product as Plain Washers
Flat round washers that spread clamp load and protect the surface under a nut or bolt head.
ISO 7089ISO 7090Hardness class 100 HV / 140 HVA2Washers
Split Lock Washers
Same product as Spring Lock Washers
Single-coil split spring washers that add spring tension under a nut or bolt head.
DIN 127 BDIN 128Spring hardness (HRC 40–48 typical)Studs
Fully Threaded Studs
Rods threaded over their full length, also called continuous thread studs.
ASME B18.31.2DIN 976-14.88.8
Studs
Double-End Studs
Studs threaded at both ends with a plain shank between.
ASME B18.31.2DIN 9384.88.8
Studs
Tap-End Studs
Studs with a short screw-in end and a longer nut end, set into a tapped hole.
DIN 938 (1 × d, steel)DIN 939 (1.25 × d, cast iron)4.88.8
Studs
Weld Studs
Studs welded to a metal surface by arc or capacitor-discharge stud welding.
ISO 13918As per ISO 13918
Studs
Foundation Studs
Threaded studs cast into concrete or grouted for base plates and equipment.
ASTM F1554IS 5624ASTM F1554 Gr 36 / 554.6
Studs
High-Strength Studs
Heat-treated alloy steel studs for pressure, high-temperature and high-load joints.
ASTM A193 B7 / B7MASTM A320 L7A193 B7A193 B7M
Studs
Stainless Steel Studs
A2 and A4 stainless studs and stainless A193 B8 / B8M studs.
ASTM A193 B8 / B8MISO 3506-1A193 B8 Class 1 / 2A193 B8M Class 1 / 2
Studs
Custom-Length Studs
Studs and threaded rods cut or machined to your exact length and thread.
To drawing or sampleBased on ASME B18.31.2 / DIN 976 / DIN 9754.88.8Studs
Stud Bolts
Same product as Stud Bolts
Fully threaded studs supplied with two nuts for flange and pressure-equipment bolting.
ASTM A193 B7 / B7M / B8 / B8MASTM A320 L7A193 B7A193 B7MStuds
Continuous Thread Studs
Same product as Fully Threaded Studs
Rods threaded over their full length, also called continuous thread studs.
ASME B18.31.2DIN 976-14.88.8Industrial Fasteners
Threaded Rods
Fully threaded rods in standard lengths, used as hangers, tie rods and studs.
DIN 975DIN 976-14.65.8
Industrial Fasteners
Threaded Bars
Large-diameter continuous threaded bars for ties, anchors and post-tensioning.
ASTM A722 (high-strength bar)ASTM A615 / IS 1786 (thread-bar systems)As per bar standard
Industrial Fasteners
Chemical Anchors
Resin-bonded anchors in capsule or injection form for heavy loads in concrete and masonry.
ETAG 001 Part 5 (bonded anchors)EAD 330499Rod class 5.8 / 8.8 / A4-70Industrial Fasteners
Expansion Anchors
Torque-controlled mechanical anchors that expand against the hole wall in concrete.
ETAG 001 Part 2EAD 330232Zinc plated steelA4-70
Industrial Fasteners
Wedge Anchors
Heavy-duty through-bolt expansion anchors with a clip that wedges against the hole wall.
ETAG 001 Part 2ACI 355.2Carbon steel (zinc plated)A4-70
Industrial Fasteners
Sleeve Anchors
Light-to-medium duty anchors with a full-length expansion sleeve for concrete, brick and block.
Manufacturer ETAASTM E488 (testing)Carbon steel (zinc plated)A2 / A4
Industrial Fasteners
Drop-In Anchors
Internally threaded flush anchors set into concrete with a setting tool.
ETAG 001 Part 2ACI 355.2Carbon steel (zinc plated)A4-70
Industrial Fasteners
Rivets
Solid rivets that join plates and sections by forming a second head.
DIN 660DIN 124As per standard
Industrial Fasteners
Blind Rivets
Pop rivets installed from one side, with a mandrel that is pulled through to set.
ISO 15973 – 15984 (series)DIN 7337As per standard
Industrial Fasteners
Dowel Pins
Precision cylindrical pins that locate and align parts.
ISO 2338ISO 8734Tolerance m6 / h8
Industrial Fasteners
Spring Pins
Slotted tubular pins that spring into a hole for a tight, vibration-resistant fit.
ISO 8752ISO 13337Spring hardened
Industrial Fasteners
Cotter Pins
Split pins that lock castle nuts, clevis pins and shafts against loosening.
ISO 1234DIN 94As per standard
Industrial Fasteners
Clevis Pins
Headed pins that join a clevis fork to a mating part, retained by a cotter pin or clip.
ISO 2341DIN 1444Ground, tolerance h11 (typical)
Industrial Fasteners
Circlips
Retaining rings that fit a groove on a shaft or in a bore to hold parts in axial position.
DIN 471 (external)DIN 472 (internal)Spring hardened
Industrial Fasteners
Keys
Parallel, taper, gib head and Woodruff keys for locking hubs to shafts.
DIN 6885 / ISO 773 (parallel)DIN 6886 / 6887 (taper)Key steel
Industrial Fasteners
Key Stock
Bright steel bar in key sections, cut to length for custom keys.
DIN 6880 (steel for keys)DIN 6885 / ISO 773 (section sizes)Key steel
Industrial Fasteners
Fastener Kits
Assortment kits of nuts, bolts, screws, washers, pins and circlips in organised cases.
Contents per kit specificationMixed (per kit)
Industrial Fasteners
Custom Fasteners
Special fasteners made to your drawing or sample, in non-standard sizes and materials.
To customer drawing or sampleEN 10204 3.1 material certificate on requestPer drawing
Industrial applications
Construction & Infrastructure
Anchor bolts, structural bolts, chemical anchors and threaded rods for steel and concrete work.
Oil & Gas / Petrochemical
Stud bolts, heavy hex nuts and A193 / A194 flange bolting for pressure equipment.
Power & Cement
High-strength studs, foundation bolts and structural fasteners for plant and boilers.
Automotive & OEM
Flange bolts and nuts, weld nuts, clips, pins and locking fasteners for vehicle assembly.
Mining & Steel
Track bolts, heavy hex bolts, liner and wear-plate fasteners for crushers and conveyors.
Food, Pharma & Marine
Stainless steel A2 / A4 nuts, bolts, screws and washers for hygienic and corrosive duty.
Manufacturing & Workshops
Socket head screws, dowel pins, keys and set screws for machine builders and tooling.
Industrial Maintenance
Fastener kits and everyday nuts, bolts and washers for maintenance stores.
Related products
- Bearings: mounted units and housings that use these fasteners
- Tools: spanners, sockets and torque tools
- Abrasives: cutting and finishing for fabrication
- Engineering solutions: help choosing grade and finish
Frequently asked questions
- Which fasteners do you supply?
- Nuts, bolts, screws, washers, studs, anchors, threaded rods, rivets, pins, circlips, keys and custom fasteners in metric and imperial sizes, in carbon steel, alloy steel and stainless steel.
- Can you supply stainless steel and high-tensile grades?
- Yes. Stainless steel A2 and A4 and property classes such as 8.8, 10.9 and 12.9 are available for most fastener types. Confirm the grade you need when you request a quote.
- Do you supply custom or non-standard fasteners?
- Yes. Send a drawing or sample with the material, grade, size and quantity and we will source it to your specification.
- Do the images show actual products?
- The images are illustrative drawings that show the shape of each fastener type. Actual products are confirmed against your specification at quotation.
Need fasteners in bulk or to a drawing?
Send sizes, grades and quantities. We reply with pricing and lead time within one business day.