Helicoil Thread Repair Kits - 61-770-4

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SKU:
61-770-4
Size:
0.375
Threads:
1/4-28
  • Use For O.E.M. Applications, Or In Repairs.
  • Provides 60° Internal Screw Threads.
  • ISO 9001 Certified.
  • Precision formed screw thread coils of 18-8 (Type 302/304) stainless steel wire having a diamond shaped cross-section.
  • Cold rolled from round wire tensile strength of approx. 200,000 to 250,000 P.S.I (a hardness of Rc 43-50).
  • Surface finish is 8-16 microinches. This wire is then wound into a spiral coil which, when installed into Heli-Coil tapped holes, provides permanent conventional 60° Internal Screw threads.
  • The assembled insert accommodates any standard bolt or screw to MIL-S-7742 and MIL-S-8879 (UNJ controlled radius root) male threaded member
  • Each Kit Includes: Tap, Drill, Inserting Tool, 10 Inserts.
Single Size Repair Kit, Inch Sizes