Hobson Countersunk Phillips Self Tapper Screw, #8-18 / 1/2

The Hobson countersunk Phillips self tapper screw range has 61 items in sizes #4-24 to #14-14 and lengths 1/4" to 3" (countersunk head, Phillips drive, zinc plated finish). CSK means countersunk head and Ph Dr means Phillips drive (cross recess). In a designation such as #4-24 the first number is the screw size and the second is the number of threads per inch.

Where this product is used

• Fixing parts into a pilot hole, where the screw forms its own thread
• Fastening parts where there is no tapped hole to take a machine screw
• Replacing a self tapping screw of the same size, length and head style

Features

• 61 items: sizes #4-24 to #14-14, lengths 1/4" to 3"
• Countersunk head, Phillips drive, zinc plated finish
• Sizes: #4-24 to #14-14
• Lengths: 1/4" to 3"

Key specifications

Choosing the right option

Choose the screw size to suit the pilot hole and the material. Choose the length to suit the thickness of the parts joined. A countersunk head is shaped to sit flush in a countersunk hole.

Related screws: Hobson Countersunk Phillips Self Tapper Screw, Zinc Black, #4-24 to #14-14, 1/4" to 3", Hobson Countersunk Square Self Tapper Screw, Zinc Plated, #6-20 to #10-16, 1/2" to 3" and Hobson Undercut Countersunk Phillips Self Tapping Screw, Zinc, No. 8 and No. 10, 1/2" to 1".