Fixaball 4BA Socket Cap Screw High Tensile 12.9 DIN912

For BA-threaded fastening applications, this Fixaball 4BA socket cap screw is supplied in high tensile 12.9 grade steel with a self colour finish. It is produced to BS 2470 BA, with a cylindrical cap head and hexagon socket for use with an Allen key.

Lengths in this range include fully threaded and partially threaded options, making it suitable where a 4BA thread specification is required across different fixing depths. Fully threaded sizes run from 1/4" to 1", while partially threaded sizes are available from 1 1/4" to 2 1 2".

Available options

• 4-BA x 1/4" (FT)
• 4-BA x 5/16" (FT)
• 4-BA x 3/8" (FT)
• 4-BA x 1/2" (FT)
• 4-BA x 5/8" (FT)
• 4-BA x 3/4" (FT)
• 4-BA x 1" (FT)
• 4-BA x 1 1/4" (PT)
• 4-BA x 1 1/2" (PT)
• 4-BA x 2" (PT)
• 4-BA x 2 1 2" (PT)

Key features

• Thread size: 4BA
• Material and finish: high tensile 12.9, self colour
• Standard: BS 2470 BA
• Head type: socket head cap screw
• Fully threaded and partially threaded options available
• Model number: DIN912

Specifications

• Diameter of screw over thread: 0. 1420 inch
• Head across flats: 0. 249 inch
• Threads per inch: 38. 5 tpi
• Pitch: 0. 0260 inch
• Diameter at thread bottom: 0. 1108 inch
• Tapping drill size: Number drill 31
• Tapping drill size: 3 mm
• Tapping drill size: 0. 1181 inch

Sizing

• 1/4"
• 5/16"
• 3/8"
• 1/2"
• 5/8"
• 3/4"
• 1"
• 1 1/4"
• 1 1/2"
• 2"
• 2 1 2"

Rackhams Reference : GMQQG9NPWX