American Unified Fine Thread Taps DIN 371 / 374 – Berlin

American Unified Fine Thread UNF, ANSI B-1.1 BERLIN  
B1 C1-H40
Material Groups P M K P M K
N N
Hole Type Through Blind
Thread Depth <3 x D <2.5 x D
Chamfer / Helix Angle B/0° C/40°
UNC Ød1 1"/P P l1 l2 l2 H40 l3 Ød2 a Drill Ø Standard DIN-371
Tol. 2B 2B
Item Code G1-X2B218 G1-X3B218
¼ - 28 6.350 28 0.907 80 18 10 30 7.0 5.5 5.50 1040.28
5/16 - 24 7.938 24 1.058 90 20 13 35 8.0 6.0 6.90 1050.24
⅜ - 24 9.525 24 1.058 100 20 15 39 10.0 8.0 8.50 1060.24
UNC Ød1 1"/P P l1 l2 l2 H40 l3 Ød2 a Drill Ø Standard DIN-374
Tol. 2B 2B
Item Code G4-X2B218 G4-X3B218
7/16 - 14 11.112 20 1.270 100 20 15 - 8.0 6.2 9.90 1070.20
½ - 20 12.700 20 1.270 100 20 15 - 9.0 7.0 11.50 1080.20
9/16 - 18 14.288 18 1.411 100 20 15 - 11.0 9.0 12.90 1090.18
5/8 - 18 15.875 18 1.411 100 20 15 - 12.0 9.0 14.50 1100.18
¾ - 16 19.050 16 1.588 110 24 17 - 14.0 11.0 17.50 1120.16
7/8 - 9 22.225 14 1.814 125 24 17 - 18.0 14.5 20.40 1140.14
  ISO Vc (m/min)
  P 5-35 5-35
  M 5-15 5-15
  K 5-25 10-25
  N 10-30 10-30
  S - -




Ordering Code:
G4-X3B218-1120.16
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