5/16" OD X 1/2" BSPP Female Brass Stud - APFS-516-12 Outer Diameter: 5/16" Connection/Thread Type: 1/2" MPN: APFS-516-12 Product Code: APFS-516-12 This is an online offer only for a Limited Time! Availability: In stock Only £4.53 incl VAT. Delivery available to UK/Europe |