8BA - 0BA, Machine Screws, Round, Slotted, Brass.

8BA, 6BA, 4BA, 2BA, 0BA, Machine Screws, Round, Slotted , Brass. Fixaball.co.uk sells all sizes of brass, BA, round, slotted, machine screws at the best internet prices, with free delivery. Orders...
£2.00

8BA, 6BA, 4BA, 2BA, 0BA, Machine Screws, Round, Slotted , Brass.

Fixaball.co.uk sells all sizes of brass, BA, round, slotted, machine screws at the best internet prices, with free delivery.

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

Please make your size and pack quantity selection from the drop down menus.

A machine screw is a fastening device similar to a bolt but having a pozidrive or slotted head which allows it to be turned with a screwdriver. It is usually applied to fastening metal components together that are pre threaded and not expected to withstand a heavy load/ force.

British Association (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.

BA

Pitch

(frequency of helical coils)

Outside Diameter (mm)

Threads per inch

(TPI)

Outside Diameter (Inch)

0

1.00

6.00

25.40

0.2362

1

0.90

5.30

28.22

0.2087

2

0.81

4.70

31.36

0.1850

3

0.73

4.10

34.79

0.1614

4

0.66

3.60

38.48

0.1417

5

0.59

3.20

43.05

0.1260

6

0.53

2.80

47.92

0.1102

7

0.48

2.50

52.92

0.0984

8

0.43

2.20

59.07

0.0866

9

0.39

1.90

65.13

0.0748

10

0.35

1.70

72.57

0.0669

etc

25

0.072

0.25

352.78

0.0098

Image is for illustrative purposes only.

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