We are offering brass file screws. material: brass file screws to cz 121 threads: bsw threads (inches) ba threads iso metric (mm threads) unc & unf threads length / size: 2mm, 3mm, 4mm, 6mm, 8mm, 10mm, 12mm, 16mm, 20mm, 25, mm, 32mm, 1/8″, 5/32″, 3/16″, 1/4″, 5/16″, 3/8″, 1/2″, 5/8″, 3/4″, 1″, 11/8″, 11/4″, 11/2″, 13/4″, 2″ finish and coating: natural brass file screws, nickel electro plated etc. any kind of brass file screws and brass screw can be developed and supplied exactly as per customer specification, design & requirement. file screws are also available in full brass, brass and m.s. And m.s. Only.