Thread Repair Tools

E-Z LOK SK20820 1/4-20 standard coil kit with 2D inserts

E-Z LOK SK20820 1/4-20 standard coil kit with 2D inserts
Detail of the kit components and a representative insert.

Check compatibility

SK20820 is the standard E-Z Coil 1/4-20 kit with 2D inserts at 0.500 inch installed length. Choose the length based on the repair depth rather than the fastener diameter alone.

Manufacturer reference

Questions before ordering

What does 2D mean for this kit?

It describes the insert length as twice the nominal diameter. The listing specifies a 0.500-inch installed length for this 1/4-20 kit.