GUHRING - Каталог Метчики - 2011 EN
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High-Tensile, Heat-Treatable Hardened and Tool Steels
UNC / DIN length - ANSI shank
UNF
Series 3993 - PM cobalt, UNC, 40° helix, TiN coated
2B
Cut Taps Class of Fit Size No. Shank dia. Square Size Overall 2B Series Order
Length
Blind Hole 4-40 Flutes inch inch Approx. 3993 No.
40° Helix 5-40 inch z
Semi-bottoming 6-32 3 0.141 0.110 Limits z 2.845
Chamfer Lead 8-32 3 0.141 0.110 2.205 z 3.175
10-24 3 0.141 0.110 2.205 H2/H3 z 3.505
C · 2-3 12-24 3 0.168 0.131 2.205 H2/H3 z 4.166
1/4-20 3 0.194 0.152 2.480 H3/H4 z 4.826
5/16-18 3 0.220 0.165 2.756 H3/H4 z 5.486
3/8-16 3 0.255 0.191 3.150 H3/H4 z 6.350
7/16-14 3 0.318 0.238 3.150 H3/H4 z 7.938
1/2-13 3 0.381 0.286 3.543 H4/H5 z 9.525
9/16-12 3 0.323 0.242 3.937 H4/H5 z 11.113
5/8-11 3 0.367 0.275 3.937 H5/H6 z 12.700
3/4-10 3 0.429 0.322 4.331 H5/H6 z 14.288
7/8-9 4 0.480 0.360 4.331 H5/H6 z 15.875
1-8 4 0.590 0.442 4.331 H5/H6 z 19.050
1 1/8-7 5 0.697 0.523 4.921 H5/H6 z 22.225
1 1/4-7 5 0.800 0.600 5.512 H5/H6 z 25.400
1 3/8-6 5 0.896 0.672 6.299 H6/H7 z 28.575
1 1/2-6 5 1.021 0.766 7.087 H6/H7 z 31.750
5 1.108 0.831 7.087 H6/H7 z 34.925
6 1.233 0.925 7.874 H7/H8 38.100
7.874 H7/H8
H7/H8
DIN length - ANSI shank
Series 3995 - PM cobalt, UNF, 40° helix, TiN coated
Overall 2B
No. Shank dia. Square Size Length Approx. Series Order
Size Flutes inch inch inch Limits 3995 No.
z
4-48 3 0.141 0.110 2.205 H2/H3 z 2.845
5-44 3 0.141 0.110 2.205 H2/H3 z 3.175
6-40 3 0.141 0.110 2.205 H2/H3 z 3.505
8-36 3 0.168 0.131 2.480 H2/H3 z 4.166
10-32 3 0.194 0.152 2.756 H3/H4 z 4.826
12-28 3 0.220 0.165 3.150 H3/H4 z 5.486
1/4-28 3 0.255 0.191 3.150 H3/H4 z 6.350
5/16-24 3 0.318 0.238 3.543 H3/H4 z 7.938
3/8-24 3 0.381 0.286 3.543 H3/H4 z 9.525
7/16-20 3 0.323 0.242 3.937 H4/H5 z 11.113
1/2-20 3 0.367 0.275 3.937 H4/H5 z 12.700
9/16-18 3 0.429 0.322 3.937 H4/H5 z 14.288
5/8-18 4 0.480 0.360 3.937 H4/H5 z 15.875
3/4-16 4 0.590 0.442 4.331 H5/H6 z 19.050
7/8-14 5 0.697 0.523 4.921 H6/H7 z 22.225
1-12 5 0.800 0.600 5.512 H6/H7 z 25.400
1 1/8-12 5 0.896 0.672 5.906 H6/H7 z 28.575
1 1/4-12 5 1.021 0.766 5.901 H6/H7 z 31.750
1 3/8-12 5 1.108 0.831 6.693 H6/H7 z 34.925
1 1/2-12 6 1.233 0.925 6.699 H6/H7 38.100
Refer to pages 142-145 for additional dimensional information
82 Bright Steam Oxide TiN TiCN MolyGlide TiAlN AlCrN FIREX®
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