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DIN 7982 F Cross recessed countersunk head tapping screws
DIN 7982 F Cross recessed countersunk head tapping screws, Form F |
Equivalent Standards |
ISO 7050 |
CSN 21237 |
UNI 6955 |
DIN 7982 F |
Dimensions for DIN 7982 F Cross recessed countersunk head tapping screws, Form F |
Thread size | p | a | dk | k | r | cross recess | Type H | Type Z | Y max | ||||||
m | Penetration depth | m | Penetration depth | ||||||||||||
max | nominal=max | min | approx | max | No. | approx | min | max | approx | min | max | Type C | Type F | ||
ST 2.2 | 0.8 | 0.8 | 1.5 | 4 | 1.3 | 0.8 | 1 | 2.5 | 1.02 | 1.32 | 2.4 | 1.1 | 1.35 | 2 | 1.6 |
ST 2.9 | 1.1 | 1.1 | 5.5 | 5.2 | 1.7 | 1.1 | 1 | 3 | 1.4 | 1.7 | 2.9 | 1.48 | 1.73 | 2.6 | 2.1 |
ST 3.5 | 1.3 | 1.3 | 6.8 | 6.44 | 2.1 | 1.4 | 2 | 4.2 | 1.62 | 2.12 | 3.9 | 1.6 | 2.06 | 3.2 | 2.5 |
ST 3.9 | 1.3 | 1.3 | 7.5 | 7.14 | 2.3 | 1.5 | 2 | 4.6 | 2.03 | 2.53 | 4.1 | 1.85 | 2.31 | 3.5 | 2.7 |
ST 4.2 | 1.4 | 1.4 | 8.1 | 7.74 | 2.5 | 1.6 | 2 | 4.7 | 2.11 | 2.62 | 4.3 | 2.05 | 2.51 | 3.7 | 2.8 |
ST 4.8 | 1.6 | 1.6 | 9.5 | 9.14 | 3 | 1.9 | 2 | 5.1 | 2.59 | 3.1 | 4.7 | 2.64 | 3.1 | 4.3 | 3.2 |
ST 5.5 | 1.8 | 1.8 | 10.8 | 10.37 | 3.4 | 2.1 | 3 | 6.8 | 2.95 | 3.53 | 6.2 | 2.72 | 3.18 | 5 | 3.6 |
ST 6.3 | 1.8 | 1.8 | 12.4 | 11.97 | 3.8 | 2.4 | 3 | 7.1 | 3.33 | 3.91 | 6.7 | 3.38 | 3.84 | 6 | 3.6 |
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