Hexagon bolt 8.8 DIN 931 M 4x40
Product information
| pgb article number | 000931800004000403 |
| EAN code | 5410439102568 |
| Box quantity | 500 |
| Brand name | pgb-fasteners |
| Material | Steel class 8.8 |
| Packing type | Carton box |
| Surface | plain |
| Thread shape | Partial thread |
| PLU number | 10103 |
| l - Length | 40 |
| b - Thread length | 14 |
| M - Metric thread | M4 |
| sw - Width across flats | 7 |
| e - Width across corners | 7.66 |
| k - Head height | 2,8 |
Technical specifications
| DIN 931 has been replaced by ISO 4014. They are interchangeable. The nominal dimensions were extended, M7 was added. For M10-M12-M14-M22, the width across flats has been changed. The hardness classes for steel 4.8 and 12.9 were added and 9.8 was omitted. The hardness class for stainless steel 80 was added. The non-ferro bolts were deleted. |
| Cancelled 10/1991 |