Thread typeWhitworth
Included threads per inch4 to 42 TPI
Thread angle55°
Gauge materialSteel
Maximum tpi42
Minimum tpi4
Number of leaves30
LeavesNarrow Design With Flattened Teeth
Minimum thread pitch - mm4
TypeMetric
Measurement range4 - 42
Unspsc code41111607
Locking mechanismYes
For thread locationInternal; External
Thread angle (degrees)55.00
Threads per inch range4 - 42
Measurement typeWhitworth Inch
MaterialSteel
System of measurementImperial
Imperial measurement range4 to 42 tpi
Locking deviceLocking Device Not Included
Number of blades30
Sizes in set12 tpi, 27 tpi, 11 tpi, 6 tpi, 15 tpi, 13 tpi, 9 tpi, 4-1/2 tpi, 14 tpi, 4 tpi, 18 tpi, 24 tpi, 30 tpi, 36 tpi, 5 tpi, 26 tpi, 8 tpi, 20 tpi, 40 tpi, 22 tpi, 16 tpi, 28 tpi, 32 tpi, 38 tpi, 42 tpi, 34 tpi, 7 tpi, 10 tpi, 5-1/2 tpi, 11-1/2 tpi