Fixaball UNF 5/8" Socket Screw Countersunk High Tensile 10.9 DIN7991

For flush-fitting fastening applications, this Fixaball countersunk socket screw is supplied in a 5/8" UNF thread with 18 T. P. I. Made from high tensile Grade 10.9 steel in a self colour finish, it uses an Allen hex socket drive and conforms to ISO 10642, B18. 3, and BS 2470.

The countersunk head sits flush with the connecting surface when fully tightened. Length on this type of fixing is measured from the tip to the top. Available lengths include fully threaded and partially threaded options within the listed range.

Key features

• 5/8" UNF thread
• 18 T. P. I. fine pitch
• High tensile Grade 10.9 steel
• Self colour finish
• Allen hex socket drive
• Countersunk head
• Conforms to ISO 10642, B18. 3, BS 2470

Available options

• 5/8"-18 x 1" (FT)
• 5/8"-18 x 1 1/4" (FT)
• 5/8"-18 x 1 1/2" (FT)
• 5/8"-18 x 1 3/4" (FT)
• 5/8"-18 x 2" (FT)
• 5/8"-18 x 2 1/4" (FT)
• 5/8"-18 x 2 1/2" (FT)
• 5/8"-18 x 3" (FT)

Specifications

• Thread form: Unified National Fine (UNF)
• Thread angle: 60 degree flank angle
• Material: High tensile steel (10. 9)
• Finish appearance: Self-colour (black)
• Level of corrosion resistance: Low, without further surface treatment
• Typical application: No exposure to moisture
• Typical application: Often greased or oiled

Rackhams Reference : VTEC19F3FS