flat head screws

Hex flange bolts, also known as hex head flange screws, flange bolts with hex head, or hex drive flange screws, are a type of fastener that combines the strength and stability of a hexagonal head with the wide bearing surface of a flange. They are widely used in various applications, particularly in situations where high clamping forces and even load distribution are required.

Hex socket head screws with Phillips recess, also known as hex head Phillips screws, socket head cap screws with Phillips recess, or Phillips drive hex screws, are a versatile and widely used type of fastener. They combine the strength and grip of a hexagonal head with the ease of driving provided by a Phillips recess, making them suitable for a diverse range of applications.

Phillips head screws are a type of screw that has a cross-shaped recess in the head. This recess allows the screw to be driven with a Phillips screwdriver, which is a type of screwdriver that has a cross-shaped tip. Phillips head screws are one of the most common types of screws used in the world, and they are used in a wide variety of applications, including furniture assembly, electronics assembly, and construction.

Headless hexagon socket head screws, also known as headless hexagon socket screws, stop screws, machine screws, positioning screws, etc., are screws without a screw head and have a hexagon socket groove on the screw rod.

Special screw 

Toothed lock washers are a type of washer that has teeth on both the inner and outer diameters. The teeth help to prevent the washer from slipping and rotating, which helps to prevent the bolt or nut from loosening.