Cup Head Square Neck Bolts（with indentation）[Table 3]
JIS B 1171 (AT3) - 1996 带凹槽半圆头方颈螺栓 [表3]
See all versions and complete specifications: Cup Head Square Neck Bolts（with indentation）[Table 3] — Full Specification Page
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| M5 | 1 | 10 | 11 | 15.45 | 6.48 | 18 | / | 4 | 3.4 | 16.55 | 7.2 |
| M6 | 1.5 | 17 | 18 | 23.35 | 10.58 | 26 | 32 | 6 | 5.4 | 24.65 | 12.2 |
| M8 | 1.75 | 23 | 24 | 31.2 | 12.7 | 30 | 36 | 8 | 7.2 | 32.8 | 14.7 |
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