Hobson Countersunk Square Self Tapper Screw T9PSVCQ1016075

The Hobson countersunk square self tapper screw range has 23 items in sizes #6-20, #8-18 and #10-16 and lengths 1/2" to 3" (countersunk head, square drive, zinc black finish). CSK means countersunk head. In a designation such as #6-20 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

• 23 items: sizes #6-20, #8-18 and #10-16, lengths 1/2" to 3"
• Countersunk head, square drive, zinc black finish
• Sizes: #6-20, #8-18 and #10-16
• Lengths: 1/2" 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 Square Self Tapper Screw, Zinc Plated, #6-20 to #10-16, 1/2" to 3", Hobson Countersunk Phillips Self Tapper Screw, Zinc Black, #4-24 to #14-14, 1/4" to 3" and Hobson Undercut Countersunk Square Drive Self Tapping Screw, Zinc, No. 8 and No. 10, 1/2" to 1".