GUHRING - Каталог Метчики - 2011 EN
для размещения заказа - guhring@guhring-tools.ru
Aluminum and Aluminum Alloys
ANSI length - ANSI shank UNC /
UNF
Series 3931 - Cobalt, UNC, 45° helix, bright nish
Series 3934 - Cobalt, UNC, 45° helix, TiN coated 2B
Series 3970 - Cobalt, UNC, 45° helix, MolyGlide® coated Class of Fit
No. Shank dia. Square Size Overall 2B Series Series Series Order Blind Hole
Length
Size Flutes inch inch Approx. 3931 3934 3970 No. 45° Helix Cut Taps
4-40 2 0.141 0.110 inch z z z 2.845
5-40 2 0.141 0.110 2.205 Limits z z z 3.175 Semi-bottoming
6-32 2 0.141 0.110 2.205 H2/H3 z z z 3.505 Chamfer Lead
8-32 2 0.168 0.131 2.205 H2/H3 z z z 4.166
10-24 2 0.194 0.152 2.130 H3/H4 z z z 4.826
12-24 2 0.220 0.165 2.382 H3/H4 z z z 5.486
1/4-20 2 0.255 0.191 2.382 H3/H4 z z z 6.350
5/16-18 2 0.318 0.238 2.500 H3/H4 z z z 7.938
3/8-16 2 0.381 0.286 2.720 H4/H5 z z z 9.525
7/16-14 2 0.323 0.242 2.941 H4/H5 z z z 11.113
1/2-13 2 0.367 0.275 3.157 H5/H6 z z z 12.700
5/8-11 3 0.480 0.360 3.381 H5/H6 z z z 15.875
3.813 H5/H6
H5/H6
ANSI length - ANSI shank C · 2-3
Series 3932 - Cobalt, UNF, 45° helix, bright nish
Series 3935 - Cobalt, UNF, 45° helix, TiN coated
Series 3971 - Cobalt, UNF, 45° helix, MolyGlide® coated
No. Shank dia. Square Size Overall 2B Series Series Series Order
Length
Size Flutes inch inch Approx. 3932 3935 3971 No.
4-48 3 0.141 0.110 inch z z z 2.845
5-44 3 0.141 0.110 2.205 Limits z z z 3.175
6-40 2 0.141 0.110 2.205 H2/H3 z z z 3.505
8-36 2 0.168 0.131 2.000 H2/H3 z z z 4.166
10-32 2 0.194 0.152 2.130 H2/H3 z z z 4.826
12-28 2 0.220 0.165 2.382 H2/H3 z z z 5.486
1/4-28 2 0.255 0.191 2.382 H3/H4 z z z 6.350
5/16-24 2 0.318 0.238 2.500 H3/H4 z z z 7.938
3/8-24 2 0.381 0.286 2.720 H3/H4 z z z 9.525
7/16-20 2 0.323 0.242 2.941 H3/H4 z z z 11.113
1/2-20 2 0.367 0.275 3.157 H3/H4 z z z 12.700
5/8-18 3 0.480 0.360 3.381 H4/H5 z z z 15.875
3.811 H4/H5
H4/H5
Refer to pages 142-145 for additional dimensional information
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