DIN characteristic features
Characteristic features of the individual standards
DIN 371 in the master standard DIN 2184-1
Standard for machine taps with reinforced shank for standard ISO metric threads and ISO metric fine threads. Long design. Shank design in accordance with diameter ranges shown above (mm).
d1 = 0.9 … 2.6
d1 = > 2.6 … 10 l1
DIN 376 in the master standard DIN 2184-1
d1
Standard for machine taps with reduced shank for standard ISO metric threads. Long design. Diameter range d1 = 1.6 … 68 mm (≤ Ø M3, shank without square)
d1
Standard for machine taps with reduced shank for ISO metric fine threads. Long design. Diameter range d1 = 3 … 52 mm
l1
DIN 374 in the master standard DIN 2184-1 l1
DIN 352 in the master standard DIN 2184-2
Standard for hand and machine taps for standard ISO metric threads. Short design. Shank design in accordance with diameter ranges shown opposite (mm).
d1 = 1 … 2.6
d1 = > 2.6 … 6.35
d1 = > 6.35 … 68 l1
50