You can find DIN 912 -DIN EN ISO 4762 Hexagon Bolt Dimensions, Allen Key Dimensions on this page.
Hexagon Bolts Are One of the Most Popular Bolts Used in the Metal Industry.
DIN912 / ISO4762Allen Head Hexagon Socket BoltsDIN 912 – Hexagon socket Head Cap ScrewsEquivalent Norms: ISO 4762;
CSN 21143; PN 82302; UNI 5931;
DIN 912 -DIN EN ISO 4762 Hexagon Socket Head Bolts Dimensions – Allen Key Dimensions
d: Metric Outer Diameter Çap Dimension
p: Pitch, Distance between two teeth s: Allen Key Dimension (L) Key Dimensions.
| d | M 1,6 | M 2 | M 2,5 | M 3 | M 4 | M 5 | M 6 | M 8 | M 10 | M 12 |
| P (pitch) | 0,35 | 0,4 | 0,45 | 0,5 | 0,7 | 0,8 | 1 | 1,25 | 1,5 | 1,75 |
| k (max) | 1,6 | 2 | 2,5 | 3 | 4 | 5 | 6 | 8 | 10 | 12 |
| dk (max) | 3 | 3,8 | 4,5 | 5,5 | 7 | 8,5 | 10 | 13 | 16 | 18 |
| s | 1,5 | 1,5 | 2 | 2,5 | 3 | 4 | 5 | 6 | 8 | 10 |
| b | 15 | 16 | 17 | 18 | 20 | 22 | 24 | 28 | 32 | 36 |
| l | 2,5-16 | 3-16 | 4-25 | 5-30 | 6-40 | 8-50 | 10-60 | 12-80 | 16-100 | 20-120 |
| d | M 14 | M 16 | M 20 | M 24 | M 30 | M 36 | M 42 | M 48 | M 56 | M 64 |
| P (pitch) | 2 | 2 | 2,5 | 3 | 3,5 | 4 | 4,5 | 5 | 5,5 | 6 |
| k (max) | 14 | 16 | 20 | 24 | 30 | 36 | 42 | 48 | 56 | 64 |
| dk (max) | 21 | 24 | 30 | 36 | 45 | 54 | 63 | 72 | 84 | 96 |
| s | 12 | 14 | 17 | 19 | 22 | 27 | 32 | 36 | 41 | 46 |
| b | 40 | 44 | 52 | 60 | 72 | 84 | 96 | 108 | 124 | 140 |
| l | 25-140 | 25-160 | 30-200 | 40-200 | 45-200 | 55-200 | 60-300 | 70-300 | 80-300 | 90-300 |
Bolt Safety Load Values
Bolts have a limit to the force or load they can withstand before breaking. Of course, nobody wants this to happen. Below are the safety load values for standard metric bolts. The load units are in Newtons. Approximately 9.8 Newtons equate to 1 kg of load. If you remove four zeros from the value in the table, you’ll get a value in tons. This provides an idea of whether the bolt can withstand the load.
Metric Bolt Safety Load Values
For example, the safety load value of an M20 – 12.9 grade bolt: According to the table, it is 288,000 N, which is approximately ~28.8 tons.
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