Suppliers of Thread Forming Screws for Plastics

Harrison Silverdale is an established UK supplier of thread forming screws for plastics. Since 1982 the company has built a reputation for quality and reliability, serving leading OEMs and distributors from its base on the edge of Sheffield.

About Thread Forming Screws for Plastics

Thread forming screws are designed specifically for plastics. Rather than cutting, they displace the material to form a mating thread, which lowers the stress in the boss and reduces the risk of cracking. The thread profile gives strong resistance to vibration loosening and allows the joint to be reassembled. Where an insert isn't needed, they're a cost-effective fixing.

Choosing the Right Thread Forming Screws for Plastics

Boss diameter, hole size and screw length all affect drive torque and strip torque. Harrison Silverdale can recommend the right screw and pilot hole for your material to keep the joint secure without bu

Typical Applications

• Thermoplastic housings and covers
• Domestic appliance assemblies
• Automotive trim and interior mouldings
• Toys, tools and consumer products
• Electronics casings

Why Choose Harrison Silverdale

Bar turning and machining make up around 80% of the product range, so Harrison Silverdale isn't limited to what's in a catalogue. If a standard part doesn't fit, the in-house design service can develop one that does.

• Supplying specialised industrial fasteners since 1982
• ISO 9001:2015 quality approval
• In-house design service for special parts
• Serving OEMs and distributors across the UK and Europe
• Core range of fasteners for plastics, composites and sheet metal

Frequently Asked Questions

Who supplies thread forming screws for plastics in the UK?

Harrison Silverdale, based in Dronfield near Sheffield, supplies thread forming screws for plastics to manufacturers and distributors across the UK and Europe.

Is Harrison Silverdale ISO accredited?

Yes. The company holds ISO 9001:2015 quality approval, which also covers its design service for special parts.

How long has Harrison Silverdale been trading?

Harrison Silverdale has supplied specialised industrial fasteners since 1982.

For quotes and advice on thread forming screws for plastics, contact Harrison Silverdale on +44 (0) 1246 296 930 or email fasteners@harrisonsilverdale.co.uk. Visit the website to see the full range.