This is for a pack of 25 Steel 5 BA Bar Turned nuts.

These nuts are one size smaller, so you would use a 6ba spanner for these nuts

Order before 4pm and dispatched same day.

 
 
 

BA SIZE

Major
diameter
(mm)

Threads
per inch
(approx)

Pitch
(mm)

Tap
drill

12

1.3

90.7

0.2800

61

11

1.5

82.0

0.3100

56

10

1.7

72.6

0.3500

54

9

1.9

65.1

0.3900

53

8

2.2

59.1

0.4300

49

7

2.5

52.9

0.4800

46

6

2.8

47.9

0.5300

43

5

3.2

43.0

0.5900

37

4

3.6

38.5

0.6600

31

3

4.1

34.8

0.7300

29

2

4.7

31.4

0.8100

23

1

5.3

28.2

0.9000

17

0

6.0

25.4

1.0000

10