Fixaball UNC 1/4" Socket Screw Countersunk High Tensile 10.9 DIN7991

For flush-fitting fastening in UNC threaded applications, this Fixaball socket countersunk screw is supplied in 1/4" diameter with 20 T. P. I. coarse pitch. It has an Allen hex socket drive, a countersunk head, and a self colour finish. The high tensile steel construction is stated as Grade 'S'/ 8.8, with conformity to ISO 10642, B18. 3 and BS 2470.

Available lengths include fully threaded and partially threaded options. Fully threaded versions are described as sets, while longer lengths with an unthreaded shoulder under the head are listed as bolts.

Available options

• 1/4"-20 x 3/8" (FT)
• 1/4"-20 x 1/2" (FT)
• 1/4"-20 x 5/8" (FT)
• 1/4"-20 x 3/4" (FT)
• 1/4"-20 x 7/8" (FT)
• 1/4"-20 x 1" (FT)
• 1/4"-20 x 1 1/4" (FT)
• 1/4"-20 x 1 1/2" (FT)
• 1/4"-20 x 1 3/4" (PT)
• 1/4"-20 x 2" (PT)
• 1/4"-20 x 2 1/4" (PT)
• 1/4"-20 x 2 1/2" (PT)
• 1/4"-20 x 3" (PT)
• 1/4"-20 x 4" (PT)

Key features

• Diameter: 1/4"
• Thread pitch: 20 T. P. I. UNC coarse pitch
• Allen hex socket countersunk head
• High tensile steel, Grade 'S'/ 8.8
• Finish: self colour
• Conforms to ISO 10642, B18. 3, BS 2470
• Available as fully threaded (FT) and partially threaded (PT) lengths
• Model number: DIN7991

Sizing

• 1/4"-20 x 3/8"
• 1/4"-20 x 1/2"
• 1/4"-20 x 5/8"
• 1/4"-20 x 3/4"
• 1/4"-20 x 7/8"
• 1/4"-20 x 1"
• 1/4"-20 x 1 1/4"
• 1/4"-20 x 1 1/2"
• 1/4"-20 x 1 3/4"
• 1/4"-20 x 2"
• 1/4"-20 x 2 1/4"
• 1/4"-20 x 2 1/2"
• 1/4"-20 x 3"
• 1/4"-20 x 4"

Rackhams Reference : Z25WGUQGUX