Thread Rolls for the A23 Head
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Dimensions
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Helix angle in Head = 1° 25'
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A |
D1
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D2
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D3
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D4
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D5 max
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L1
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L2
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P
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?
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Allowable Component Lead
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inches
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3.470
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1.100
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1
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0.670
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3.681
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2.990
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2.720
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0.120
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60°
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Angle = 0° 50' - 2° 0'
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mm
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88
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28
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25
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17
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93.5
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76
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69
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3
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A |
| A |
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The following Thread Rolls may be ordered as standard on the A23 head
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| A |
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ISO Metric Fine
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Unified Fine UNF
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Unified Fine UNF
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Whitworth Fine BSF
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Whitworth Fine BSF
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Nominal Size x Pitch mm
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M 8.0 - M 10.0 x 0.5
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Nominal Size x TPI
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Nominal Size x TPI
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M 8.0 - M 10.0 x 0.75
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5/16 - 3/8 x 40
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… continued
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M 10.0 - M 12.0 x 0.75
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5/16 - 3/8 x 36
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7/16 - 1/2 x 24
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M 10.0 - M 12.0 x 1.0
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3/8 - 7/16 x 36
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1/2 - 9/16 x 24
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M 12.0 - M 14.0 x 1.0
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7/16 - 1/2 x 36
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9/16 - 5/8 x 24
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M 14.0 - M 16.0 x 1.0
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1/2 - 9/16 x 36
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3/4* x 24
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M 16.0 - M 18.0* x 1.0
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5/16 - 3/8 x 32
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1/2 - 9/16 x 22
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M 18.0* - M 20.0* x 1.0
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3/8 - 7/16 x 32
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9/16 - 5/8 x 22
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M 14.0 - M 16.0 x 1.25
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7/16 - 1/2 x 32
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3/4* x 22
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M 16.0 - M 18.0* x 1.5
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1/2 - 9/16 x 32
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1/2 - 9/16 x 20
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M 18.0* - M 20.0* x 1.5
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9/16 - 5/8 x 32
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9/16 - 5/8 x 20
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M 20.0* - M 22.0* x 1.5
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7/16 - 1/2 x 28
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11/16* - 3/4* x 20
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1/2 - 9/16 x 28
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9/16 - 5/8 x 18
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9/16 - 5/8 x 28
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3/4* x 18
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7/16 - 1/2 x 26
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3/4* x 16
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Whitworth Pipe BSP
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1/2 - 9/16 x 26
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3/4* x 14
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9/16 - 5/8 x 26
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Nominal Size x Pitch mm
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3/4* x 26
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G 1/8 x 28
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continued …
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G 1/4 x 19
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G 3/8* x 14
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| A |
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* For short threads up to 0.748" length including thread run out.
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