Eine Auflistung von Schraubennormen

square head screw

Gewindedurchmesser in Inch Gewindedurchmesser in mm Schlüsselweite in Inch Schlüsselweite in mm
1/4" 6,350 3/8" 9,525
5/16" 7,938 1/2" 12,700
3/8" 9,525 9/16" 14,288
7/16" 11,113 5/8" 15,875
1/2" 12,700 3/4" 19,050
5/8" 15,875 15/16" 23,813
3/4" 19,050 1 1/8" 28,575
7/8" 22,225 1 5/16" 33,338
1" 25,400 1 1/2" 38,100
1 1/8" 28,575 1 11/16" 42,863
1 1/4" 31,750 1 7/8" 47,625
1 3/8" 34,925 2 1/16" 52,388
1 1/2" 38,100 2 1/4" 57,150