BS 4183 discusses standards for machine screws and machine screw nuts. The provisions of BS 4183 are applicable to machine screws and machine screw nuts having ISO metric threads. BS 4183 also specifies mechanical properties for steel, brass and aluminium alloy machine screws and machine screw nuts.
BS 4183 provides you with a clear overview of machine screws, helping you to understand exactly what they are and which sorts of applications they are commonly used in. BS 4183 covers the types of machine screws for specific tasks and explains the circumstances in which you may need machine screws and nuts.
BS 4183 on machine screws and machine screw nuts is useful for:
Machine screws are one of the more widely used products among standard fastener types. Machine screws are most often used for fastening metal parts securely together in various types of machinery or construction. Other uses include vehicles, engines, tool assembly, electronic devices, and large-scale industrial equipment.
BS 4183 provides you with general dimensions and tolerances for machine screws and machine screw nuts including slotted countersunk head machine screws, recessed countersunk head machine screws, slotted raised countersunk head machine screws, recessed raised countersunk head machine screws, slotted and recessed pan head machine screws, recessed pan head machine screws, and slotted cheese head machine screws.
BS 4183 gives guidance on coating of screws and nuts. BS 4183 helps users to get acknowledged with the designation of machine screws or machine screw nuts. Following guidelines provided in BS 4183, help you to manufacture and supply metric series machine screws and machine screw nuts with a long working life and minimum manufacturing defects.
ISO 1207
ISO 2009
ISO 2010