Self Clinching Nuts Supplier for Reusable Threads in Thin Sheet
Hele Metal is a self clinching nuts supplier and manufacturer producing clinch nuts at our factory in Jiaxing, Zhejiang, for buyers in the USA, Germany, Russia, Brazil, Malaysia and more than 90 countries. A self clinching nut is pressed into a pre-punched hole in ductile sheet metal: the knurled shank displaces the surrounding material into an undercut below the flange, locking the nut permanently against rotation and push-out. The result is strong, reusable female threads in panels that are far too thin for tapped holes.
Installation is a single press stroke with no secondary operations, which is why clinch nuts are standard practice in electrical enclosures, control cabinets, telecom and server racks, HVAC equipment and automotive sheet assemblies. The flange sits flush with the sheet, so the reverse side stays smooth for sliding covers, cosmetic surfaces and cable runs. A punched or drilled hole to the recommended size gives repeatable installation on any standard press or press brake, and the set nut will not back out under vibration the way a tapped thread in thin sheet can.
For stainless sheet assemblies, matching stainless steel clinch nuts keep the panel and the fastener electrochemically compatible, avoiding the galvanic corrosion and coating mismatch that mixed materials can cause. It matters most for enclosure doors and chassis exposed to humidity, salt spray or cleaning chemicals.
Available Options & Standards
- Types: S, CLS and SP series style clinch nuts, plus special shapes produced to drawing.
- Threads: complete inch (UNC/UNF) and metric (M) coverage across the full standard size range.
- Materials: steel and stainless steel 304/316.
- Sheet range: matched to the sheet thickness and hole size on your drawing, from thin electronic enclosures up to heavier switchgear panels.
- Standards: manufactured to GB, ISO, ASTM, DIN and SAE product standards; OEM drawings and custom geometries accepted.
Why Source from Hele Metal
Sourcing is factory-direct from Jiaxing, Zhejiang: quotations within 24 hours, samples for approval before bulk production, and negotiable quantities for small batches and OEM programs. Every batch is inspected before despatch with go/no-go gauges, hardness tests and salt spray tests where specified, and our engineers review your drawings before production starts. Buyers in more than 90 countries reorder on the same drawings year after year.
Need threads that stay put in thin sheet? Request a quote for self clinching nuts and our sales engineers will reply with pricing and lead time within 24 hours.
