TUFF® range
TUFF fastener range
37 product types made by Pioneer Nuts & Bolts Pvt. Ltd. under the TUFF® brand, to Indian, ISO, DIN, EN, ASME and ASTM standards or to customer drawing.
Structural bolting
- DTI WasherEN 14399-9, ASTM F959, BS EN 14399-9 · M12 – M36
- Heavy Hex BoltIS 3757, EN 14399-3, EN 14399-4 · M12 – M36, ½″ – 1½″
- Shear ConnectorISO 13918, AWS D1.1, EN ISO 14555 · Ø10 – 25 mm
- Tension Control BoltEN 14399-10, ASTM F3125, IS 3757 · M12 – M36
Bolts and screws
- Allen Head BoltDIN 912, ISO 4762, ASME B18.3 · M8 – M100, 5⁄16″ – 4″
- Axle Cap ScrewASME B18.3, ISO 4762 · M8–M24
- Countersunk Head ScrewDIN 7991, ISO 10642, IS 6761 · M8 – M24
- Fit BoltDIN 609, DIN 610, DIN 7968 · M8 – M52
- Flange BoltDIN 6921, ISO 4162, ISO 15071 · M8 – M20
- Heavy Hex ScrewASME B18.2.3.3M, IS 3757, ASME B18.2.6 · M12 – M36
- Hex Head BoltDIN 931, ISO 4014, IS 1364-1 · M8 – M160, ¼″ – 4″
- Hex ScrewDIN 933, ISO 4017, IS 1364-2 · M8 – M64
- Round Head Bolt / ScrewDIN 603, ISO 8677, IS 2609 · M8 – M20
- Slotted CSK ScrewDIN 963, ISO 2009, IS 1365 · M8 – M20
- Square Head BoltDIN 478, ASME B18.2.1, IS 1120 · M8 – M24
Nuts
- Castle NutDIN 935, BS 1768, ASME B18.2.2 · M8 – M100
- Flange NutDIN 6923, ISO 4161, EN ISO 4161 · M8 – M20
- Heavy Hex NutIS 6623, ASTM A194, ASTM A563 · M12 – M100, ¼″ – 4″
- Hex NutDIN 934, ISO 4032, IS 1364-3 · M8 – M160, ¼″ – 1½″
- Jam NutDIN 439, ISO 4035, EN ISO 4035 · M8 – M64
- Lock NutDIN 980, ISO 7042, ISO 10513 · M8 – M39
- Nylock NutDIN 985, ISO 10511, DIN 982 · M8 – M48
- Prevailing Torque NutDIN 980, ISO 7042, DIN 980-V · M8 – M39
- FS All-Steel Lock NutDIN 980, ISO 7042, ISO 2320 · M8 – M36
Washers
- Bevelled / Tapered WasherDIN 434, IS 5372, DIN 435 · M8 – M39
- Chamfered / Machined WasherDIN 125-B, ISO 7090, IS 6649 · M8 – M100
- Ear WasherDIN 93, DIN 432, DIN 463 · M8 – M100
- Interlock Washer · M8–M36
- Plain WasherDIN 125, ISO 7089, ISO 7090 · M8 – M160
- Spring WasherDIN 127, IS 3063, DIN 127-B · M8 – M100
Studs, anchors and machined parts
- Foundation BoltIS 5624, DIN 529, ASTM F1554 · M8 – M72
- Precision ShaftEN 10278, ISO 286-1, ISO 286-2 · 8mm–200mm
- Stud / Threaded RodASTM A193, ASTM A320, DIN 975 · M8 – M100, ½″ – 4″
- Trunnion PinIS 2102, ISO 2340, ISO 2341 · 8mm–100mm
- U BoltDIN 3570, ASME B18.31.5 · M10 – M24
Pins and rivets
By market and standard
- USAASTM, ASME and AWS fasteners
- Europe and the UKEN, DIN and ISO fasteners
- Africa and the Middle EastBolts and nuts, full range
- Oil and gasFasteners for refineries and oil and gas
- Power and nuclearFasteners for power and nuclear plants
- Steel structures and buildingsFasteners for steel structures and buildings
- BridgesFasteners for rail and road bridges
- RailwaysFasteners for railways
- EPC projectsFasteners for project procurement
- Project referencesRefinery, nuclear, railway, bridge
- Independent testElement Materials Technology, report T24-56832R
About the maker
- Fasteners since 1996Pioneer Nuts & Bolts Pvt. Ltd., brand TUFF®. Forging, heat treatment, machining and finishing in-house.
- 50 yearsMetallurgy and heat treatment, since 1976.
- IATF 16949:2016Certified quality management system.
- NABL labIn-house laboratory accredited by NABL to ISO/IEC 17025:2017 for the tests in its scope. Lots tested to the applicable standard.
- Japanese collaborationTechnical collaboration with Japanese fastener companies.
- 150+ testimonialsMore than 150 customer testimonials.