Stripped bolt on firewall for Voltage Reg.
Found my notes - stuck in Carrol Smith's
Nuts, Bolts, Fasteners
Audel - Stanley Engineering
Nutsert
® breaks into two halves during installation. The bottom half swages the top half.
TSN
® Thin sheet nutsert expands the tip into a bubble.
AVK
A-T Series. Knurled insert that swages the tip (similar to Nutsert) Best for minimal protrusion in the back.
A-L Series Knurled expanding insert
A-K Series Knurled expanding insert with reduced head
made in the USA
Marson
Klik Rivet Nuts
I bought the AVK 'expendable' tool AAT916 and a small bag of the AK series for 1/4-20 from Zoro.