Dimensions

Helix angle in Head = 1° 15'

D1

D2

D3

D4

D5 max

L1

L2

P

?

Allowable Component Lead

inches

4.610

1.730

1.25 / 1.5

0.870

5.039

3.540

3.290

0.160

60°

Angle = 0° 45' - 1° 40'

mm

117

44

30 / 40

22

128

89

83.5

4

The following Thread Rolls may be ordered as standard on the A34 head

ISO Metric Fine

Unified Fine UNF

Unified Fine UNF

Whitworth Fine BSF

Whitworth Fine BSF

Nominal Size x Pitch mm

M 12.0 - M 14.0 x 1.0

Nominal Size x TPI

Nominal Size x TPI

M 14.0 - M 16.0 x 1.0

9/16 - 5/8 x 26

… continued

M 16.0 - M 18.0 x 1.0

3/4 x 26

3/4 x 16

M 18.0 - M 20.0 x 1.0

9/16 - 5/8 x 24

7/8* x 16

M 16.0 - M 18.0 x 1.5

3/4 x 24

1* x 16

M 18.0 - M 20.0 x 1.5

7/8* x 24

1.1/8* x 16

M 20.0 - M 22.0* x 1.5

9/16 - 5/8 x 22

7/8* x 14

M 22.0* - M 24.0* x 1.5

3/4 x 22

1* x 14

M 24.0* - M 27.0* x 1.5

7/8* x 22

1.1/8* x 14

M 27.0* - M 30.0* x 1.5

9/16 - 5/8 x 20

1* x 12

3/4 x 20

1.1/8* x 12

7/8* x 20

1.1/8* x 11

Whitworth Pipe BSP

1* x 20

5/8 x 18

Nominal Size x Pitch mm

3/4 - 13/16 x 18

G1/4 x 19

7/8* - 15/16* x 18

G1/2 x 14

15/16* - 1* x 18

1.1/8* x 18

continued …

* For short threads up to 0.945" length including thread run out.