4BA x 1" Slotted Countersunk Screws (BS 57:1951) - Brass

Imperial BA Slotted Countersunk Machine Screws feature a flat head and a slotted drive. The slotted drive is the simplest form of screw drive which is designed to be used with a Flat Head Screwdriver, whilst the flat head is designed to lay flush with the base material. Machine Screws are massively versatile as they are available in a wide variety of head styles and drive types. Slotted Countersunk Screws in brass are commonly used in model engineering and electrical products across the UK. BA, or British Association Thread, was first used in 1884 and is slowly being replaced by metric fasteners, however this thread is still used in many industries.

These Slotted Countersunk Machine Screws are made from Brass which offers both high tensile strength and high corrosion resistance.

For larger quantities or items not listed, please email sales@gwr-fasteners.co.uk and one of our team will provide you with a quotation.