An externally threaded fastener whose threaded portion is of one nominal diameter, No 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below No. 10 (0.190 in./5 mm). No. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal multiple spline types), but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. Excludes BOLT, CLEVIS; BOLT, EXTERNALLY RELIEVED BODY; SCREW, EXTERNALLY RELIEVED BODY; and SCREW, ASSEMBLED WASHER. See also, SCREW, INSTRUMENT; BOLT, MACHINE; BOLT, INTERNAL WRENCHING; and SCREW, CAP SOCKET HEAD.
NATO Description from ACodP-3
Additional Information for Machine Screw
Machine screws are a type of fastener that are designed to be threaded into a tapped hole or used with a nut. They are typically used to fasten metal parts together and are commonly found in machinery, appliances, and electronic devices. Machine screws have a uniform diameter along their entire length and are available in various lengths and thread sizes. They are typically made of steel, stainless steel, or brass, and can have different head types such as flat head, round head, or pan head. These screws are often used in applications where a secure and durable fastening is required. They are commonly used in industries such as manufacturing, construction, automotive, and electronics. When selecting machine screws, it is important to consider factors such as the material and thickness of the parts being fastened, the required strength and load-bearing capacity, and the specific application requirements. Overall, machine screws are versatile fasteners that are widely used in various industries for their reliability and strength in securing metal parts together.
Additional Information for Machine Screw