GUHRING - Каталог Метчики - 2011 EN
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Cast Iron and Abrasive Materials
UNC ANSI length - ANSI shank
2B Series 3937 - Cobalt, UNC, straight ute, FIREX® coated
Class of Fit
Cut Taps Size No. Shank dia. Square Size Overall 2B Series Order
Through or 6-32 Length
Blind Hole 8-32 Flutes inch inch Approx. 3937 No.
10-24 3 0.141 0.110 inch z 3.505
0° Helix 12-24 3 0.168 0.131 2.000 Limits z 4.166
1/4-20 4 0.194 0.152 2.130 H3/H4 z 4.826
Straight Flute 5/16-18 4 0.220 0.165 2.382 H3/H4 z 5.486
Chamfer Lead 3/8-16 4 0.255 0.191 2.382 H3/H4 z 6.350
7/16-14 4 0.318 0.238 2.500 H3/H4 z 7.938
1/2-13 4 0.381 0.286 2.720 H4/H5 z 9.525
5/8-11 4 0.323 0.242 2.941 H4/H5 z 11.113
4 0.367 0.275 3.157 H5/H6 z 12.700
4 0.480 0.360 3.381 H5/H6 z 15.875
3.811 H5/H6
H5/H6
C·2-3 DIN length - DIN shank
Series 1979 - Cobalt, UNC, straight ute, oxide nish, DIN 371
Series 1984 - Cobalt, UNC, straight ute, oxide nish, DIN 376
Size No. Shank dia. Square Size Overall 2B DIN 371 DIN 376 Order
2-56 Length Series
3-48 Flutes mm dec. Approx. Series No.
4-40 3 2.800 2.100 mm 1984 2.184
5-40 3 2.800 2.100 45.000 Limits 1979 2.515
6-32 3 3.500 2.700 50.000 H2/H3 { { 2.845
8-32 3 3.500 2.700 56.000 H2/H3 { z 3.175
10-24 3 4.000 3.000 56.000 H2/H3 { { 3.505
12-24 3 4.500 3.400 56.000 H2/H3 { { 4.166
1/4-20 4 6.000 4.900 63.000 H3/H4 { z 4.826
5/16-18 4 6.000 4.900 70.000 H3/H4 { { 5.486
3/8-16 4 7.000 5.500 80.000 H3/H4 { { 6.350
7/16-14 4 8.000 6.200 80.000 H3/H4 { 7.938
1/2-13 4 10.000 8.000 90.000 H4/H5 { 9.525
9/16-12 4 8.000 6.200 100.000 H4/H5 z 11.113
5/8-11 4 9.000 7.000 100.000 H5/H6 z 12.700
3/4-10 4 11.000 9.000 110.000 H5/H6 14.288
7/8-9 4 12.000 9.000 110.000 H5/H6 15.875
1-8 5 14.000 11.000 110.000 H5/H6 19.050
5 18.000 14.500 125.000 H5/H6 22.225
5 18.000 14.500 140.000 H5/H6 25.400
160.000 H6/H7
H6/H7
92 Bright Steam Oxide TiN TiCN MolyGlide® TiAlN AlCrN FIREX®
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