Fixaball BSF Socket Screw Countersunk 10.9 High Tensile

For flush-fitting fastening in British Standard Fine threads, this Fixaball countersunk socket screw and bolt range is made from high tensile steel in grade 10.9 with a self colour finish. It conforms to BS 2470 and uses an Allen hexagon socket drive.

These fasteners are available in 1/4", 5/16", 3/8", 7/16" and 1/2" BSF sizes, with fully threaded and partially threaded options depending on the selected length. The length of a countersunk fixing is measured from tip to top.

Key features

• BSF fine pitch thread
• High tensile steel, grade 10.9
• Self colour finish
• Allen hexagon socket countersunk head
• Conforms to BS 2470

Specifications

• 1/4" BSF: 26 T.P.I., 5/32" Allen hexagon key
• 5/16" BSF: 22 T.P.I., 3/16" Allen hexagon key
• 3/8" BSF: 20 T.P.I., 5/16" Allen hexagon key
• 7/16" BSF: 18 T.P.I., 5/16" Allen hexagon key
• 1/2" BSF: 16 T.P.I., 5/16" Allen hexagon key
• Corrosion resistance: low, without further surface treatment
• Typical application: no exposure to moisture
• Typical application: often greased/oiled

Available options

• 1/4"-26 x 3/8" (FT)
• 1/4"-26 x 1/2" (FT)
• 1/4"-26 x 3/4" (FT)
• 1/4"-26 x 1 1/4" (FT)
• 1/4"-26 x 1 1/2" (PT)
• 5/16"-22 x 3/4" (PT)
• 5/16"-22 x 1" (PT)
• 5/16"-22 x 1. 1/2" (PT)
• 3/8"-20 x 5/8" (FT)
• 3/8"-20 x 3/4" (FT)
• 3/8"-20 x 1 1/2" (FT)
• 7/16"-18 x 4" (PT)
• 1/2"-16 x 7/8" (FT)
• 1/2"-16 x 1" (FT)
• 1/2"-16 x 1 1/2" (FT)
• 1/2"-16 x 1 3/4" (FT)
• 1/2"-16 x 2" (FT)

Safety information

Self colour high tensile steel has low corrosion resistance without further surface treatment.

Rackhams Reference : NJ1Y6414Z6