Part Number R1 4-20 X .375 4601 18-8 CRES having (CAGE Code 97539) and FSC 5305 Screws in stock with ready to ship. Get an instant quote for R1 4-20 X .375 4601 18-8 CRES Screw Machine by A P M Hexseal Corporation. Fill the form below with your desired order quantity, targeted price and the expected order-fulfilment date. Our dedicated account manager will get back to you within 15 minutes.