CLASSIC CAR BOLT KIT UNF IMPERIAL HEXAGON SET BOLTS A2 STAINLESS 1/4" 5/16" 3/8"

CLASSIC CAR BOLT KIT - UNF THREAD HEXAGON SETS. UNF hexagon head set screws. UNF thread pattern; 1/4UNF x 28 tpi, 5/16UNF x 24 tpi, 3/8UNF x 24tpi. A2 Stainless Steel Hexagon. Hexagon Head Fully Threaded.

eBay