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Miscellanea > Mechanics > Threads EspaƱol
 
Metric
Metric ISO DIN 13 (M)
Metric Fine ISO DIN 13 (MF)
Whitworth
Whitworth Pipe Cylindrical G (BSP)
Whitworth Fine (BSF)
Allen
DIN 912 screw
DIN 913 Set screw
DIN 916 Set screw
Calculation
Minimum thread depth / height of nut
 
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Whitworth Pipe Thread Cylindrical G (BSP)

Tipping drill diameter

Nominal
Diameter
Thread Diameter
(mm)
Pitch (mm) Thread Diameter
(inches)
Threads per inch Tapping drill diameter
G 1/8 x 28H9,7280,9071/8288,80
G 1/4 x 19H13,1571,3361/41911,80
G 3/8 x 19H16,6621,3363/81915,25
G 1/2 x 14H20,9951,8141/21419,00
G 5/8 x 14H22,9111,8145/81421,00
G 3/4 x 14H26,4411,8143/41424,50
G 7/8 x 14H30,2011,8147/814
G 1" x 11H33,2492,3091"1130,75
G 1"1/8 x 11H37,8972,3091"1/811
G 1"1/4 x 11H41,912,3091"1/41139,5
G 1"3/8 x 11H44,3232,3091"3/811
G 1"1/2 x 11H47,8032,3091"1/21145,00
G 1"3/4 x 11H53,7462,3091"3/411
G 2" x 11H59,6142,3092"1157,00
G 2"1/4 x 11H65,712,3092"1/411
G 2"1/2 x 11H75,1842,3092"1/211
G 2"3/4 x 11H81,5382,3092"3/411
G 3" x 11H87,8842,3093"11
G 3"1/4 x 11H93,982,3093"1/411
G 3"1/2 x 11H100,332,3093"1/211
G 3"3/4 x 11H106,682,3093"3/411
G 4" x 11H113,032,3094"11
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