GUHRING - Каталог Метчики - 2011 EN
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General Purpose
ANSI length - ANSI shank Select UNF
Series 3905 - Cobalt, UNF, 40° helix, bright nish 2B
Series 3965 - Cobalt, UNF, 40° helix, MolyGlide® coated Class of Fit
Size No. Shank dia. Square Size Overall 2B Series Series Order Blind Hole Cut Taps
4-48 Length 40° Helix
5-44 Flutes inch inch Approx. 3905 3965 No. Semi-bottoming
6-40 3 0.141 0.110 inch z z 2.845 Chamfer Lead
8-36 3 0.141 0.110 1.882 Limits z z 3.175
10-32 3 0.141 0.110 1.941 H2/H3 z z 3.505 C · 2-3
12-28 3 0.168 0.131 2.000 H2/H3 z z 4.166
1/4-28 3 0.194 0.152 2.130 H2/H3 z z 4.826
5/16-24 3 0.220 0.165 2.382 H2/H3 z z 5.486
3/8-24 3 0.255 0.191 2.382 H3/H4 z z 6.350
7/16-20 3 0.318 0.238 2.500 H3/H4 z z 7.938
1/2-20 3 0.381 0.286 2.720 H3/H4 z z 9.525
9/16-18 3 0.323 0.242 2.941 H3/H4 z z 11.113
5/8-18 3 0.367 0.275 3.157 H3/H4 z z 12.700
3/4-16 3 0.429 0.322 3.381 H4/H5 z z 14.288
7/8-14 3 0.480 0.360 3.591 H4/H5 z z 15.875
1-12 4 0.590 0.442 3.811 H4/H5 z z 19.050
4 0.697 0.523 4.252 H4/H5 z z 22.225
4 0.800 0.600 4.689 H5/H6 z z 25.400
5.130 H6/H7
H6/H7
DIN length - DIN shank
Series 911 - Cobalt, UNF, 40° helix, bright nish, DIN 374
Size No. Shank dia. Square Size Overall 2B DIN 374 Order
3-56 Length
4-48 Flutes mm mm Approx. Series No.
5-44 3 1.800 na mm 2.515
6-40 3 2.200 na 50.000 Limits 911 2.845
8-36 3 2.500 2.100 56.000 H2/H3 { 3.175
10-32 3 2.500 2.100 56.000 H2/H3 { 3.505
1/4-28 3 2.800 2.100 56.000 H2/H3 { 4.166
5/16-24 3 3.500 2.700 63.000 H2/H3 { 4.826
3/8-24 3 4.500 3.400 70.000 H2/H3 z 6.350
7/16-20 3 6.000 4.900 80.000 H3/H4 z 7.938
1/2-20 3 7.000 5.500 90.000 H3/H4 z 9.525
9/16-18 3 8.000 6.200 90.000 H3/H4 { 11.113
5/8-18 3 9.000 7.000 90.000 H3/H4 z 12.700
3/4-16 3 11.000 9.000 100.000 H4/H5 z 14.288
7/8-14 3 12.000 9.000 100.000 H4/H5 { 15.875
4 14.000 11.000 100.000 H4/H5 z 19.050
4 18.000 14.500 110.000 H4/H5 { 22.225
125.000 H5/H6 z
H6/H7 z
Refer to pages 142-145 for additional dimensional information
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