Hobson Undercut Countersunk Square Drive Self Tapping Screw

The Hobson undercut countersunk square drive self tapping screw range has 5 items in sizes No. 8 and No. 10 and lengths 1/2" to 1" (undercut countersunk head, square drive, zinc finish). CSK means countersunk head. Every item is supplied as a box of 1000.

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

• 5 items: sizes No. 8 and No. 10, lengths 1/2" to 1"
• Undercut countersunk head, square drive, zinc finish
• Supplied as a box of 1000
• Sizes: No. 8 and No. 10

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 Undercut Countersunk Square Drive Self Tapping Screw, Zinc, No. 8 x 3/8" and No. 10 x 1/2", Hobson Undercut Countersunk Phillips Self Tapping Screw, Zinc, No. 8 and No. 10, 1/2" to 1" and Hobson Countersunk Square Self Tapper Screw, Zinc Plated, #6-20 to #10-16, 1/2" to 3".