6BA, 4BA, 2BA, Socket Screw, Countersunk, High Tensile/ 10.9, BS 2470

6BA, 4BA. 2BA Countersunk, Hex or Allen Socket Screw/ Bolt, 10.9 High Tensile Steel, BS2470

Fixaball sells all lengths of 6BA countersunk, socket screw/ bolts in 10.9 Grade High Tensile Steel at the best internet prices with free post.

Orders placed before 2pm are dispatched same day (Mon-Fri).

Standard, Free Delivery is Royal Mail, 2nd Class (2-5 days, most likely 2 days). For a faster delivery time, select 1st class or courier at checkout. 

FULLY THREADED (FT)

6BA, Hex/ Allen Socket, Countersunk Screw/ Bolt Descriptions and Lengths

4BA, Hex/ Allen Socket, Countersunk Screw/ Bolt Descriptions and Lengths

2BA, Hex/ Allen Socket, Countersunk Screw/ Bolt Descriptions and Lengths

Hex/ Allen Socket Countersunk Screw/ Bolts

Countersunk fasteners are designed to fit flushon the connecting surface when fully tightened

Countersunk Head

The length of a countersunk fixing/ fastener is always from tip to the top.

BA (British Association) Threads

BA screw threads, named after the British Association for Advancement of Science, were devised in 1884 and standardised in 1903. Screws were described as "2BA", "4BA" etc., BA threads are specified by British Standard BS 93:1951 "Specification for British Association (B.A.) screw threads with tolerances for sizes 0 B.A. to 16 B.A." They are associated with metric units of measurement.

Available Material:  High Tensile – 12.9 Grade.