GUHRING - Каталог Метчики - 2011 EN
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Aluminum and Aluminum Alloys
UNC / ANSI length - ANSI shank
UNF
Series 3925 - Cobalt, UNC, spiral point, bright nish
2B Series 3928 - Cobalt, UNC, spiral point, TiN coated
Class of Fit Series 3967 - Cobalt, UNC, spiral point, MolyGlide® coated
Through Hole No. Shank dia. Square Size Overall 2B Series Series Series Order
Length
Cut Taps 0° Helix Size Flutes inch inch Approx. 3925 3928 3967 No.
4-40 3 0.141 0.110 inch z z z 2.845
Plug Tap 5-40 3 0.141 0.110 2.205 Limits z z z 3.175
Chamfer Lead 6-32 3 0.141 0.110 2.205 H2/H3 z z z 3.505
8-32 3 0.168 0.131 2.000 H2/H3 z z z 4.166
10-24 3 0.194 0.152 2.130 H3/H4 z z z 4.826
12-24 3 0.220 0.165 2.382 H3/H4 z z z 5.486
1/4-20 3 0.255 0.191 2.382 H3/H4 z z z 6.350
5/16-18 3 0.318 0.238 2.500 H3/H4 z z z 7.938
3/8-16 3 0.381 0.286 2.720 H4/H5 z z z 9.525
7/16-14 3 0.323 0.242 2.941 H4/H5 z z z 11.113
1/2-13 3 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
3.811 H5/H6
H5/H6
B · 3.5 - 5
ANSI length - ANSI shank
Series 3926 - Cobalt, UNF, spiral point, bright nish
Series 3929 - Cobalt, UNF, spiral point, TiN coated
Series 3968 - Cobalt, UNF, spiral point, MolyGlide® coated
No. Shank dia. Square Size Overall 2B Series Series Series Order
Length
Size Flutes inch inch Approx. 3926 3929 3968 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 3 0.141 0.110 2.205 H2/H3 z z z 3.505
8-36 3 0.168 0.131 2.000 H2/H3 z z z 4.166
10-32 3 0.194 0.152 2.130 H2/H3 z z z 4.826
12-28 3 0.220 0.165 2.382 H2/H3 z z z 5.486
1/4-28 3 0.255 0.191 2.382 H3/H4 z z z 6.350
5/16-24 3 0.318 0.238 2.500 H3/H4 z z z 7.938
3/8-24 3 0.381 0.286 2.720 H3/H4 z z z 9.525
7/16-20 3 0.323 0.242 2.941 H3/H4 z z z 11.113
1/2-20 3 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
102 Bright Steam Oxide TiN TiCN MolyGlide TiAlN AlCrN FIREX®
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