Tin-Coat Seals

CoreTight formed steel seals lock banding-strap tension on transformer and magnetic-core assemblies — tin-plated after forming to MIL-T-10727C Type 1

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CoreTight™ seals are formed steel closures crimped over the banding strap to lock circumferential tension on a C-core or magnetic-component assembly.

Standard Stock Options

  • seal_187x250 — 0.187" x 0.250", narrow locking
  • seal_375x250 — 0.375" x 0.250", compact locking
  • seal_375x375 — 0.375" x 0.375", standard and most common
  • seal_500x500 — 0.500" x 0.500", heavy-duty

Seals are tin-plated after forming to MIL-T-10727C Type 1 (tin per ASTM B545), supplied 500 per box and ready to crimp. Full dimensioned drawings are available on request.

📄 Download the CoreTight seals datasheet (PDF)