Thredgards
About
Thredgards Limited, a UK contract manufacturer established in 1962 and based in Alloa, Scotland, specialises in custom plastic mouldings, particularly protective caps and plugs, serving a global market. Utilising injection moulding with machines from 50 to 380 tons, they process a wide range of plastic and rubberised materials for sectors including automotive, packaging, oil & gas, engineering, and telecommunications, offering full-service support from design to launch. Holding ISO 9001:2015, ISO 14001:2015, BRC Food Packaging Grade AA, and PPAP Level 3 approvals, Thredgards differentiates itself through modern machinery, experienced staff, and exceptional adaptability in customisation, with a strong focus on rapid fulfilment, achieving 93% same-day dispatch for cap and plug orders.
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Thredgards Limited is a well-established UK-based contract manufacturer, founded in 1962, specialising in custom plastic mouldings, with a strong focus on protective caps and plugs. Operating from Alloa, Clackmannanshire, Central Scotland, the company leverages extensive industry expertise to serve a global market.
Utilising injection moulding processes with machines ranging from 50 to 380 tons, Thredgards works with a broad spectrum of plastic materials including LDPE, HDPE, Polypropylene, Polystyrene, ABS, Nylons, and rubberised materials. They cater to diverse industries such as automotive, packaging (including food), oil & gas, engineering, and telecommunications, offering comprehensive services from design and 3D modelling for prototypes through to product launch.
Thredgards holds key certifications including ISO 9001:2015 and ISO 14001:2015, alongside BRC Food Packaging Grade AA accreditation and PPAP Level 3 approval for automotive supply chains. Their differentiators include modern production machinery, experienced staff, and adaptability in custom part design, bespoke colours, and logo additions, supported by fast delivery performance with 93% of cap and plug orders fulfilled the same day.
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Press fleet3
- Moulding processes
- Injection moulding
- Smallest press (t)
- 50
- Largest press (t)
- 380
Production2
- Batch tiers
- Prototype
- Handles prototypes
- Yes
Prototyping & NPD1
- DFM support
- Yes
Tooling1
- Tool services
- Design & build
Quality & inspection1
- FAI methodology
- PPAP
Certifications & accreditations4
- ISO 9001
- Held
- ISO 14001
- Held
- Food-contact compliance
- Yes
- Trade bodies
- Made in britain, Fsb member
Identity & contact1
- Industries served
- Automotive, Packaging, Food packaging, Oil & gas, Engineering, Hydraulics, Construction, Leisure & sport
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Press fleet: Press count · Press brands · Large-format (≥1,000 t) · Premium press fleet · All-electric presses
Moulding capability: Process specialisms · Micro moulding capable · Min part weight (g) · Max part weight (g) · Cleanroom class · Certified cleanroom · Scientific moulding · Joining methods · Decoration · Product specialisms
Materials: Material modifiers · Recycled content offered · Recycled feedstock types · ESD-capable
Prototyping & NPD: Prototyping routes · Prototypes in final material · Prototyping offered · Product-design service · Mould-flow simulation
Tooling: In-house toolroom · Tooling origin · Tool trials offered
Production: Handles volume production · Runs 24/7 · Bridge production
Assembly & finishing: Assembly offered · Assembly capabilities
Machining: Contract machining
Quality & inspection: CMM · Inspection stages · SPC / Cpk · Automated vision QC
Certifications & accreditations: ISO 13485 · IATF 16949 · BRCGS Packaging · AS9100 · Cyber Essentials · UL listing