BA, 6BA x 3/4", Socket Screw, Countersunk, High Tensile/ 10.9, BS 2470, 10 pack.

BA 6BA x 3/4", Countersink, Screw/ Socket Screw/ Allen Bolts, High Tensile (12.9).

Fixaball sells BA, countersink (csk/ countersunk) socket, cap screws at the best internet prices and free delivery.

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. Packs weighing under 250grams are upgraded to 1st class as much as possible.

Please make your size and pack quantity selection from the drop down menus at the top of the page.

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.

High Tensile – 12.9 Grade.

Available Materials: Plain/ Self Colour and A2 Stainless Steel.

Stock Sizes Available at Fixaball

0BA x 13/4"

1BA x 1"

2BA x 5/16"

2BA x 1/4"

2BA x 1/2"

2BA x 5/8"

2BA x 3/4"

2BA x 7/8"

2BA x 1"

2BA x 11/4"

2BA x 11/2"

2BA x 2"

2BA x 21/4"

3BA x 5/8"

4BA x 7/32"

4BA x 1/4"

4BA x 3/8"

4BA x 1/2"

4BA x 5/8"

4BA x 3/4"

4BA x 1"

4BA x 11/4"

4BA x 11/2"

6BA x 3/16"

6BA x 1/4"

6BA x 5/16"

6BA x 1/2"

6BA x 3/4"

6BA x 1"

7BA x 1/2"

8BA x 3/16"

8BA x 1/4"

8BA x 5/16"

Image is for illustrative purposes only.