Products & Services

Protocase manufactures fully finished custom electronic enclosures and associated parts from a wide variety of materials and components, in 2-3 days with no minimum order. Protocase also provides expert and affordable enclosure design services.

Self Clinching Nuts

Self Clinching Nuts


This part is offered as non-stock. This means that a minimum order is required, availability is subject to vendor inventory and

ordering may extend part lead times.
Part Number LK-440-1MD
Description Self-Clinching Self-Locking Fastener
PEM Material 300 series
Thread Size 4-40
Materials NOT Compatible Stainless
Finish MD
Sheet Hole Size .187 in
Minimum Sheet Thickness .040
Minimum Distance from Sheet Edge .156 in