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Bolt: hexagon head

DIN 931-1

DIN 931-1 - M1.6 to M39 hexagon head bolts - Product grades A and B

Automatically build standard products in SOLIDWORKS with TSFP.

Outdated standard

Withdrawn German predecessor of ISO 4014 with partial coarse metric thread and older spanner sizes at M10, M12, M14 and M22. DIN 931-1:1987-09 specifies hexagon head bolts with a normal shank, product grades A and B.

DIN 931-1

Geometry

×
Thread diameter
Thread pitch
Bolt length
Thread length
Width across flats
Width across corners
Head height
Radius under head
Product Thread diameter, mm Thread pitch, mm Bolt length, mm Thread length, mm Width across flats, mm Width across corners, mm Head height, mm Head bearing face diameter, mm Radius under head, mm Transition diameter, mm Unthreaded shank diameter, mm Product grade
DIN 931-1 hexagon head bolt M1.6x12 1.6 0.35 12 9 3.2 3.41 1.1 2.4 0.1 2 1.6 A
DIN 931-1 hexagon head bolt M1.6x14 1.6 0.35 14 9 3.2 3.41 1.1 2.4 0.1 2 1.6 A
DIN 931-1 hexagon head bolt M1.6x16 1.6 0.35 16 9 3.2 3.41 1.1 2.4 0.1 2 1.6 A
DIN 931-1 hexagon head bolt M2x16 2 0.4 16 10 4 4.32 1.4 3.2 0.1 2.6 2 A
DIN 931-1 hexagon head bolt M2x18 2 0.4 18 10 4 4.32 1.4 3.2 0.1 2.6 2 A
DIN 931-1 hexagon head bolt M2x20 2 0.4 20 10 4 4.32 1.4 3.2 0.1 2.6 2 A
DIN 931-1 hexagon head bolt M2.5x16 2.5 0.45 16 11 5 5.45 1.7 4.1 0.1 3.1 2.5 A
DIN 931-1 hexagon head bolt M2.5x18 2.5 0.45 18 11 5 5.45 1.7 4.1 0.1 3.1 2.5 A
DIN 931-1 hexagon head bolt M2.5x20 2.5 0.45 20 11 5 5.45 1.7 4.1 0.1 3.1 2.5 A
DIN 931-1 hexagon head bolt M2.5x22 2.5 0.45 22 11 5 5.45 1.7 4.1 0.1 3.1 2.5 A
DIN 931-1 hexagon head bolt M2.5x25 2.5 0.45 25 11 5 5.45 1.7 4.1 0.1 3.1 2.5 A
DIN 931-1 hexagon head bolt M3x20 3 0.5 20 12 5.5 6.01 2 4.6 0.1 3.6 3 A
DIN 931-1 hexagon head bolt M3x22 3 0.5 22 12 5.5 6.01 2 4.6 0.1 3.6 3 A
DIN 931-1 hexagon head bolt M3x25 3 0.5 25 12 5.5 6.01 2 4.6 0.1 3.6 3 A
DIN 931-1 hexagon head bolt M3x28 3 0.5 28 12 5.5 6.01 2 4.6 0.1 3.6 3 A
DIN 931-1 hexagon head bolt M3x30 3 0.5 30 12 5.5 6.01 2 4.6 0.1 3.6 3 A
DIN 931-1 hexagon head bolt M3.5x25 3.5 0.6 25 13 6 6.58 2.4 5.1 0.1 4.1 3.5 A
DIN 931-1 hexagon head bolt M3.5x28 3.5 0.6 28 13 6 6.58 2.4 5.1 0.1 4.1 3.5 A
DIN 931-1 hexagon head bolt M3.5x30 3.5 0.6 30 13 6 6.58 2.4 5.1 0.1 4.1 3.5 A
DIN 931-1 hexagon head bolt M3.5x35 3.5 0.6 35 13 6 6.58 2.4 5.1 0.1 4.1 3.5 A
DIN 931-1 hexagon head bolt M4x25 4 0.7 25 14 7 7.66 2.8 5.9 0.2 4.7 4 A
DIN 931-1 hexagon head bolt M4x28 4 0.7 28 14 7 7.66 2.8 5.9 0.2 4.7 4 A
DIN 931-1 hexagon head bolt M4x30 4 0.7 30 14 7 7.66 2.8 5.9 0.2 4.7 4 A
DIN 931-1 hexagon head bolt M4x35 4 0.7 35 14 7 7.66 2.8 5.9 0.2 4.7 4 A
DIN 931-1 hexagon head bolt M4x40 4 0.7 40 14 7 7.66 2.8 5.9 0.2 4.7 4 A
DIN 931-1 hexagon head bolt M5x25 5 0.8 25 16 8 8.79 3.5 6.9 0.2 5.7 5 A
DIN 931-1 hexagon head bolt M5x28 5 0.8 28 16 8 8.79 3.5 6.9 0.2 5.7 5 A
DIN 931-1 hexagon head bolt M5x30 5 0.8 30 16 8 8.79 3.5 6.9 0.2 5.7 5 A
DIN 931-1 hexagon head bolt M5x35 5 0.8 35 16 8 8.79 3.5 6.9 0.2 5.7 5 A
DIN 931-1 hexagon head bolt M5x40 5 0.8 40 16 8 8.79 3.5 6.9 0.2 5.7 5 A
DIN 931-1 hexagon head bolt M5x45 5 0.8 45 16 8 8.79 3.5 6.9 0.2 5.7 5 A
DIN 931-1 hexagon head bolt M5x50 5 0.8 50 16 8 8.79 3.5 6.9 0.2 5.7 5 A
DIN 931-1 hexagon head bolt M6x30 6 1 30 18 10 11.05 4 8.9 0.25 6.8 6 A
DIN 931-1 hexagon head bolt M6x35 6 1 35 18 10 11.05 4 8.9 0.25 6.8 6 A
DIN 931-1 hexagon head bolt M6x40 6 1 40 18 10 11.05 4 8.9 0.25 6.8 6 A
DIN 931-1 hexagon head bolt M6x45 6 1 45 18 10 11.05 4 8.9 0.25 6.8 6 A
DIN 931-1 hexagon head bolt M6x50 6 1 50 18 10 11.05 4 8.9 0.25 6.8 6 A
DIN 931-1 hexagon head bolt M6x55 6 1 55 18 10 11.05 4 8.9 0.25 6.8 6 A
DIN 931-1 hexagon head bolt M6x60 6 1 60 18 10 11.05 4 8.9 0.25 6.8 6 A
DIN 931-1 hexagon head bolt M8x35 8 1.25 35 22 13 14.38 5.3 11.6 0.4 9.2 8 A
DIN 931-1 hexagon head bolt M8x40 8 1.25 40 22 13 14.38 5.3 11.6 0.4 9.2 8 A
DIN 931-1 hexagon head bolt M8x45 8 1.25 45 22 13 14.38 5.3 11.6 0.4 9.2 8 A
DIN 931-1 hexagon head bolt M8x50 8 1.25 50 22 13 14.38 5.3 11.6 0.4 9.2 8 A
DIN 931-1 hexagon head bolt M8x55 8 1.25 55 22 13 14.38 5.3 11.6 0.4 9.2 8 A
DIN 931-1 hexagon head bolt M8x60 8 1.25 60 22 13 14.38 5.3 11.6 0.4 9.2 8 A
DIN 931-1 hexagon head bolt M8x65 8 1.25 65 22 13 14.38 5.3 11.6 0.4 9.2 8 A
DIN 931-1 hexagon head bolt M8x70 8 1.25 70 22 13 14.38 5.3 11.6 0.4 9.2 8 A
DIN 931-1 hexagon head bolt M8x75 8 1.25 75 22 13 14.38 5.3 11.6 0.4 9.2 8 A
DIN 931-1 hexagon head bolt M8x80 8 1.25 80 22 13 14.38 5.3 11.6 0.4 9.2 8 A
DIN 931-1 hexagon head bolt M10x40 10 1.5 40 26 17 18.9 6.4 15.6 0.4 11.2 10 A
DIN 931-1 hexagon head bolt M10x45 10 1.5 45 26 17 18.9 6.4 15.6 0.4 11.2 10 A
DIN 931-1 hexagon head bolt M10x50 10 1.5 50 26 17 18.9 6.4 15.6 0.4 11.2 10 A
DIN 931-1 hexagon head bolt M10x55 10 1.5 55 26 17 18.9 6.4 15.6 0.4 11.2 10 A
DIN 931-1 hexagon head bolt M10x60 10 1.5 60 26 17 18.9 6.4 15.6 0.4 11.2 10 A
DIN 931-1 hexagon head bolt M10x65 10 1.5 65 26 17 18.9 6.4 15.6 0.4 11.2 10 A
DIN 931-1 hexagon head bolt M10x70 10 1.5 70 26 17 18.9 6.4 15.6 0.4 11.2 10 A
DIN 931-1 hexagon head bolt M10x75 10 1.5 75 26 17 18.9 6.4 15.6 0.4 11.2 10 A
DIN 931-1 hexagon head bolt M10x80 10 1.5 80 26 17 18.9 6.4 15.6 0.4 11.2 10 A
DIN 931-1 hexagon head bolt M10x85 10 1.5 85 26 17 18.9 6.4 15.6 0.4 11.2 10 A
DIN 931-1 hexagon head bolt M10x90 10 1.5 90 26 17 18.9 6.4 15.6 0.4 11.2 10 A
DIN 931-1 hexagon head bolt M10x95 10 1.5 95 26 17 18.9 6.4 15.6 0.4 11.2 10 A
DIN 931-1 hexagon head bolt M10x100 10 1.5 100 26 17 18.9 6.4 15.6 0.4 11.2 10 A
DIN 931-1 hexagon head bolt M12x45 12 1.75 45 30 19 21.1 7.5 17.4 0.6 13.7 12 A
DIN 931-1 hexagon head bolt M12x50 12 1.75 50 30 19 21.1 7.5 17.4 0.6 13.7 12 A
DIN 931-1 hexagon head bolt M12x55 12 1.75 55 30 19 21.1 7.5 17.4 0.6 13.7 12 A
DIN 931-1 hexagon head bolt M12x60 12 1.75 60 30 19 21.1 7.5 17.4 0.6 13.7 12 A
DIN 931-1 hexagon head bolt M12x65 12 1.75 65 30 19 21.1 7.5 17.4 0.6 13.7 12 A
DIN 931-1 hexagon head bolt M12x70 12 1.75 70 30 19 21.1 7.5 17.4 0.6 13.7 12 A
DIN 931-1 hexagon head bolt M12x75 12 1.75 75 30 19 21.1 7.5 17.4 0.6 13.7 12 A
DIN 931-1 hexagon head bolt M12x80 12 1.75 80 30 19 21.1 7.5 17.4 0.6 13.7 12 A
DIN 931-1 hexagon head bolt M12x85 12 1.75 85 30 19 21.1 7.5 17.4 0.6 13.7 12 A
DIN 931-1 hexagon head bolt M12x90 12 1.75 90 30 19 21.1 7.5 17.4 0.6 13.7 12 A
DIN 931-1 hexagon head bolt M12x95 12 1.75 95 30 19 21.1 7.5 17.4 0.6 13.7 12 A
DIN 931-1 hexagon head bolt M12x100 12 1.75 100 30 19 21.1 7.5 17.4 0.6 13.7 12 A
DIN 931-1 hexagon head bolt M12x110 12 1.75 110 30 19 21.1 7.5 17.4 0.6 13.7 12 A
DIN 931-1 hexagon head bolt M12x120 12 1.75 120 30 19 21.1 7.5 17.4 0.6 13.7 12 A
DIN 931-1 hexagon head bolt M14x50 14 2 50 34 22 24.49 8.8 20.5 0.6 15.7 14 A
DIN 931-1 hexagon head bolt M14x55 14 2 55 34 22 24.49 8.8 20.5 0.6 15.7 14 A
DIN 931-1 hexagon head bolt M14x60 14 2 60 34 22 24.49 8.8 20.5 0.6 15.7 14 A
DIN 931-1 hexagon head bolt M14x65 14 2 65 34 22 24.49 8.8 20.5 0.6 15.7 14 A
DIN 931-1 hexagon head bolt M14x70 14 2 70 34 22 24.49 8.8 20.5 0.6 15.7 14 A
DIN 931-1 hexagon head bolt M14x75 14 2 75 34 22 24.49 8.8 20.5 0.6 15.7 14 A
DIN 931-1 hexagon head bolt M14x80 14 2 80 34 22 24.49 8.8 20.5 0.6 15.7 14 A
DIN 931-1 hexagon head bolt M14x85 14 2 85 34 22 24.49 8.8 20.5 0.6 15.7 14 A
DIN 931-1 hexagon head bolt M14x90 14 2 90 34 22 24.49 8.8 20.5 0.6 15.7 14 A
DIN 931-1 hexagon head bolt M14x95 14 2 95 34 22 24.49 8.8 20.5 0.6 15.7 14 A
DIN 931-1 hexagon head bolt M14x100 14 2 100 34 22 24.49 8.8 20.5 0.6 15.7 14 A
DIN 931-1 hexagon head bolt M14x110 14 2 110 34 22 24.49 8.8 20.5 0.6 15.7 14 A
DIN 931-1 hexagon head bolt M14x120 14 2 120 34 22 24.49 8.8 20.5 0.6 15.7 14 A
DIN 931-1 hexagon head bolt M14x130 14 2 130 40 22 24.49 8.8 20.5 0.6 15.7 14 A
DIN 931-1 hexagon head bolt M14x140 14 2 140 40 22 24.49 8.8 20.5 0.6 15.7 14 A
DIN 931-1 hexagon head bolt M16x55 16 2 55 38 24 26.75 10 22.5 0.6 17.7 16 A
DIN 931-1 hexagon head bolt M16x60 16 2 60 38 24 26.75 10 22.5 0.6 17.7 16 A
DIN 931-1 hexagon head bolt M16x65 16 2 65 38 24 26.75 10 22.5 0.6 17.7 16 A
DIN 931-1 hexagon head bolt M16x70 16 2 70 38 24 26.75 10 22.5 0.6 17.7 16 A
DIN 931-1 hexagon head bolt M16x75 16 2 75 38 24 26.75 10 22.5 0.6 17.7 16 A
DIN 931-1 hexagon head bolt M16x80 16 2 80 38 24 26.75 10 22.5 0.6 17.7 16 A
DIN 931-1 hexagon head bolt M16x85 16 2 85 38 24 26.75 10 22.5 0.6 17.7 16 A
DIN 931-1 hexagon head bolt M16x90 16 2 90 38 24 26.75 10 22.5 0.6 17.7 16 A
DIN 931-1 hexagon head bolt M16x95 16 2 95 38 24 26.75 10 22.5 0.6 17.7 16 A