Hexagon Set Screws Washers and Full Nuts M8x100mm by Owlett Jaton (Hexstone Limited) is a complete, ready-to-use fastener assembly engineered for trade and DIY structural applications. Supplied as a matched set — fully threaded hexagon set screw, Form A plain washer, and Class 8 full nut — this M8×100mm BZP kit removes the need to source components separately, saving time on site. Trusted by builders, engineers, and maintenance professionals across the UK, Owlett-Jaton is the country’s leading wholesale fastener supplier with over 30,000 product lines in stock.
Key Features and Specifications
- Thread diameter: M8 (8 mm)
- Length: 100 mm — fully threaded (set screw / DIN 933 profile)
- Material: High tensile steel, Grade 8.8
- Finish: Bright Zinc Plated (BZP) for corrosion resistance
- Set screw standard: DIN 933 / ISO 4017
- Washer standard: Form A plain washer, DIN 125A
- Nut standard: Class 8 full hexagon nut, DIN 934
- Drive type: External hexagon — fits standard spanners and sockets
- Thread pitch: 1.25 mm (standard metric coarse)
- Brand: Owlett-Jaton (Hexstone Limited) — established 1947
Applications
- Structural steelwork connections and general fabrication
- Maintenance, repair, and overhaul (MRO) tasks
- Machinery assembly and industrial equipment fixing
- Timber frame and steel frame construction
- Strut channel, cable tray, and bracket installations
- Agricultural, automotive, and plant equipment repairs
- General building and civil engineering fixings
Why Choose This Product
Sourcing your set screw, washer, and nut as a single matched assembly guarantees compatibility and speeds up installation. The Grade 8.8 high tensile rating delivers reliable clamping force for demanding structural joints, while the BZP finish provides everyday corrosion protection suitable for internal and sheltered external use. Owlett-Jaton’s reputation for full batch traceability and consistent quality makes this an ideal choice for trade buyers who need dependable fasteners at competitive prices. Trade quantities are available, making it straightforward to stock up for larger projects.
Delivery in and Around London
We deliver Owlett-Jaton fixings and fasteners across London and the surrounding region, including inner boroughs such as Croydon, Lewisham, Southwark, Camden, and Hackney, as well as Greater London areas including Enfield, Bexley, Redbridge, and Barnet. We also supply trade customers throughout the surrounding counties of Kent, Essex, Surrey, and Hertfordshire. Trade quantities are welcome — contact us for bulk pricing and account options.


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