Visit our Investor websiteTR
Special Manufacture
PCB Hardware & Cable ManagementScrewsSets, Bolts and StuddingSocket ProductsNutsWashersCable ManagementFasteners to Japanese StandardsBumax® High Strength StainlessSheet Metal FastenersTR Self Locking NutsScrews for PlasticsBrass Inserts for PlasticBlind Rivet NutsBlind RivetsTR Security FastenersMicro-Diameter Fasteners from M0.6CirclipsBonded Seals and O-RingsTinnerman Spring Steel FastenersManufacturing Consumables
Overview
TR Special Manufacture
TR Fastenings is a multi-national manufacturer and distributor of industrial threaded fastenings with offices and factories around the globe.
Our Asian manufacturing network consists of six factories in China, Malaysia, Singapore and Taiwan which have combined annual output of over six billion components.
| HEADS |  | Flat |  | Oval |
 | Round Washer Head |  | Fillister | |
 | Hex Washer Face |  | Round | |
 | Pan |  | Truss | |
 | Hex |  | Slotted Ind Hex Washer Face | |
| DRIVES |  | Square |  | Tri-Wing® |
 | Quadrex® |  | Slotted | |
 | Phillips |  | Slotted Phillips | |
 | Pozidriv |  | Pozi Slotted | |
 | Torx® |  | Torx® Slotted | |
 | Torx® Tamper Resisitant |  | Phillips Ind. Hex Washer Face | |
| SERRATIONS |  | Clockwise |  | Half Moon Nibs |
 | Counter Clockwise |  | Straight Line | |
| THREADS |  | AB |  | A |
 | B |  | C | |
 | D (1) |  | F | |
 | T (23) |  | BT (25) | |
 | 17 |  | U | |
 | High Low Thread |  | Coarse Thread | |
 | Machine Screw |  | Plastic Thread | |
 | Rolok® |  | Special Radius Point | |
 | Tri-Lobe Threads S Point |  | Tri-Lobe Threads P Point | |
 | Tri-Lobe Threads CA Point | Other special heads and threads are available on request |
| Materials |
| Steel |
| Carbon steel |
| A2 & A4 Stainless steel |
| Brass |
| Aluminium |
| Sizes |
| Screws – up to M10 |
| Parts – up to 9mm diameter |
| Self-Clinch products – M2 to M6 |
| Lengths – From 3/16” (4.5mm) to 4” (100mm) |
| Diameter - From Number 3” (2.5mm) to 3/8” (10mm) |
| Finishes |
| All standard and non-standard finishes available |
| Other products |
| SEMS screws (screw/washer assemblies) |
| Shoulder bolts |
| Double end studs |
| CNC secondary operations |
| Other head and thread styles available on request |
| Manufacturing Equipment |
| Cold headers |
| Thread rollers |
| Nut tappers |
| Multi-die nut formers |
| Multi-die cold formers |
| Washer assembly machines |
| 3 and 4 die bolt formers |
| Quality and Inspection |
| Optical sorting machines |
| Trilobular Thread Micrometer |
| Tri-roll pitch diameter checker |
| Ductility testing equipment |
| Torsional strength testers |
| Drive testing equipment |
| Torsional strength testers |
| Drive torque and hydrogen embrittlement test plates |
| Optical comparator |
| Vickers Hardness tester |
| X-ray plating thickness test equipment |
| Certification |
| QS9000, ISO9001/TS16949 |
| TAF laboratory accredited (ISO/IEC10725:2005) |
| Batch traceability as standard |
| Statistical Process Control documentation and PPAP level 3 available on request |
