GUHRING - Каталог Метчики - 2011 EN
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High-Tensile, Heat-Treatable Hardened and Tool Steels
METRIC DIN length - DIN shank
ISO2 (6H) Series 823 - Cobalt, Metric, 40° helix, bright nish, DIN 376, chamfer type C
Class of Fit Series 1917 - Cobalt, Metric, 40° helix, TiCN coated, DIN 376, chamfer type C
Cut Taps Blind Hole Size No. Shank dia. Square Size Overall ISO2 (6H) DIN 376 DIN 376 Order
40° Helix M3 X 0.50 Length
Semi-bottoming M4 X 0.70 Flutes mm mm Approx. Series Series No.
Chamfer Lead M5 X 0.80 3 2.200 n.a. mm 3.000
M6 X 1.00 3 2.800 2.100 56.000 Limits 823 1917 4.000
C · 2-3 M8 X 1.25 3 3.500 2.700 63.000 D2/D3 z z 5.000
M10 X 1.50 3 4.500 3.400 70.000 D3/D4 z { 6.000
M12 X 1.75 3 6.000 4.900 80.000 D3/D4 z z 8.000
M14 X 2.00 3 7.000 5.500 90.000 D4/D5 z { 10.000
M16 X 2.00 3 9.000 7.000 100.000 D4/D5 z z 12.000
M18 X 2.50 3 11.000 9.000 110.000 D4/D5 z z 14.000
M20 X 2.50 4 12.000 9.000 110.000 D5/D6 z z 16.000
M22 X 2.50 4 14.000 11.000 110.000 D5/D6 z z 18.000
M24 X 3.00 4 16.000 12.000 125.000 D6/D7 z { 20.000
M30 X 3.50 5 18.000 14.500 140.000 D6/D7 { { 22.000
5 18.000 14.500 140.000 D6/D7 { z 24.000
5 22.000 18.000 160.000 D6/D7 { { 30.000
180.000 D7/D8 z z
D7/D8 z z
DIN length - DIN shank
Series 2944 - carbide, Metric, TiCN coated, straight ute, chamfer type D
D · 3.5-5
Size No. Shank dia. Square Size Overall ISO2 (6H) Series Order
M3 X 0.50 Length
M4 X 0.70 Flutes mm mm Approx. 2944 No.
M5 X 0.80 3 3.500 2.700 mm { 3.000
M6 X 1.00 4 4.500 3.400 56.000 Limits { 4.000
M8 X 1.25 4 6.000 4.900 63.000 D2/D3 z 5.000
M10 X 1.50 4 6.000 4.900 70.000 D3/D4 z 6.000
M12 X 1.75 5 8.000 6.200 80.000 D3/D4 z 8.000
M16 X 2.00 5 10.000 8.000 90.000 D4/D5 z 10.000
5 12.000 9.000 100.000 D4/D5 z 12.000
5 16.000 12.000 110.000 D4/D5 { 16.000
110.000 D5/D6
D6/D7
TECH TIP: Type D Form
A type D chamfer form has a 3.5 - 5 thread chamfer lead. This chamfer can be used in both through
holes and in blind holes when the tap drill depth permits this chamfer length. This is especially useful
when tapping harder materials due to the extended chamfer length which distributes the thread
cutting process over more cutting edges. The D chamfer form is usually found on rigid, straight fluted
tap designs.
86 Bright Steam Oxide TiN TiCN MolyGlide TiAlN AlCrN FIREX®
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