Countersunk Screw

Self tapping screws are normally used with sheet metal and plastics. This variant has a countersunk head with a pozidriv pattern drive. The countersunk head is typically used in conjunction with a countersunk hole providing a flush, snag free fit. As the name suggests, this type of screw forms its own thread as it is installed into a pre-drilled hole.

Self tapping screws are normally used with sheet metal and plastics. This variant has a countersunk head with a phillips pattern drive. The countersunk head is typically used in conjunction with a countersunk hole providing a flush, snag free fit. As the name suggests, this type of screw forms its own thread as it is installed into a pre-drilled hole.

Self Tapping Screws with a Dog Point, Phillips driven and with a Countersunk head. Designed to be used with a pre-drilled pilot hole. Available in A2 Stainless Steel and suitable for use in more forgiving materials such as sheet aluminium or plastic. Manufactured to DIN 7982F.

Self tapping screws with a Torx drive; also known as star, 6 lobe, and hexalobular internal. Normally used with sheet metal and plastics, this variant has a countersunk head which is typically used in conjunction with a countersunk hole providing a flush, snag free fit. As the name suggests, this type of screw forms its own thread as it is installed into a pre-drilled hole.

Square drive countersunk head tapping screws are suitable for use with sheet metal and plastics. The square drive makes 'cam-outs' or screwdriver slips less likely, as the driver connects more securely than a pozi or a phillips drive. These square drive tapping screws are manufactured similar to DIN 7982C.

Security self tapping screws with a Pin Torx drive. Also known as 6 lobe pin screws, resistorx, tamper proof torx and star pins. Normally used with sheet metal and plastics, this variant has a countersunk head, with a pin within the torx recess. As the name suggests, this type of screw forms its own thread as it is installed into a pre-drilled hole. Torx are excellent in applications that require high levels of torque when the fastener is tightened. The pin stops a regular torx driver or straight screwdriver from being used. These torx pin countersunks tend to be desirable where the head is exposed, as they are aesthetically pleasing.

A Slotted Countersunk headed self tapping screw incorporating a slightly raised head which gives it an attractive finish when fitted.

A Pozidrive Countersunk headed self tapping screw incorporating a slightly raised head which gives it an attractive finish when fitted.

A Phillips Drive Countersunk headed self tapping screw incorporating a slightly raised head which gives it an attractive finish when fitted.

A Torx (Hexalobular or 6 Lobe) driven countersunk headed self tapping screw incorporating a slightly raised head which gives it an attractive finish when fitted.

Self Drilling screws are designed to be fitted without the need for a pre-drilled hole, and employs self tapping threads enabling installation in one operation. This variant has a countersunk head with a pozidriv pattern drive. The countersunk head is typically used in conjunction with a countersunk hole providing a flush, snag free fit. Only suitable for light applications such as aluminium ducting or 1mm steel. Heavier duty Evolution branded screws are available.