BS 57 BA COUNTERSUNK STEEL MACHINE SCREW
BS 57 BA Countersunk slotted and pozi steel machine screw. Various sizes and finishes available, We are able to source parts required in specialised materials, to non-standard lengths, head dimensions, thread locking, and plating/finishes.Visit the Act (fasteners And Components) Limited website for more information on BS 57 BA COUNTERSUNK STEEL MACHINE SCREW