We are specialist
suppliers in
10+
industries
We are WTI Fasteners, a world-leading British manufacturer of wire thread inserts with over 30 years’ experience in the fastener industry. Our helically-coiled wire inserts are manufactured to aerospace standards in accordance with AS9100 Rev D, and are supplied to OEMs and distributors in a diverse range of industries worldwide.
Our high performance, fully traceable wire inserts are manufactured in a wide range of sizes in metric coarse and fine, UNF, UNC, BSF, BSW, BSP, BA, BSC, and NPT. Made from A2/304 stainless steel as standard, alternative available materials include A4/316 stainless steel and phosphor bronze, and we are also able to have special platings, finishes, and colours applied to the inserts where required.
We also stock a vast range of associated tooling to suit, including wire insert taps, manual and power installation tools, thread repair kits, extractor tools, and much more.
WTI has served a global supply chain across 67 countries for over 30 years, with our high-performance wire inserts – manufactured in accordance with a variety of national and international standards – being used in everything from satellites to children’s toys.
Reliable, high quality, and fully traceable, WTI inserts are manufactured to aerospace standards in accordance with AS9100 Rev D.
Lighter than equivalent fasteners, wire inserts are a weight-saving solution without sacrificing thread strength.
Stainless steel inserts can withstand temperatures ranging from -160°C to +420°C without detriment to its properties.
Wire inserts offer excellent corrosion- and wear-resistance, preventing adverse seizing and galling and virtually eliminating friction-induced thread erosion.
Huge on-site inventory of a wide range of products.
97% same day despatch on stock items.
No minimum order charges or quantities on standard parts.
We can work with you to make the special size of insert you need.
Range of next day and timed deliveries available, as well as direct-to-customer shipping.
Expert technical support from experienced engineers and support staff.