
Description
Description
Perma-Coil inserts and repair kits are designed to repair stripped threads in a variety of metals such as aluminum aluminum alloys steel and cast iron.
- Each size comes in various lengths
- Short (length same as the diameter of the bolt or screw for short thread engagement applications)
- Medium (length 1-1/2 times the diameter of the bolt or screw)-provides sufficient strength in most applications
- Long (length two times the diameter of the bolt or screw)-provides higher strength in critical applications (especially in magnesium)
- Fastserv stocks a complete line of Perma-Coil? inserts and stainless steel inserts are for standard and spark plug repair
- Perma-Coil? is made in the USA and is 100% interchangeable with helicoil
- Item: Perma-Coil? Thread Repair Insert
- Length: 0.438 Inch
- Material: Stainless Steel
- Thread Size: 7/16 Inch
- Thread Type: Fine