DIN 933 - ISO 4017
[ AREAS-956 ]DIN 933/ISO 4017 Hexagon Setscrews
Hexagon Setscrews are made to DIN 933, available in sizes from M6 to M16 as standard. Lengths range from 12mm up to 100mm.
They are available to order in non-standard sizes and finishes, including small volume manufacture, modifications and custom parts to drawings.
Dimensional Standard of Bolts per DIN 933
• For hot-dip galvanized nuts, the dimensions apply before galvanizing.
• P is the pitch of thread.
• dw, max. = actual
• β = 15⁰ to 30⁰
• Incomplete thread u = 2P
Size | Pitch (p) | Width across corner (e) | Width across Flat (s) | Head Thickness (k) | Thread Length b | Transition Diameter da | Dia. of washer face dw | Radius under head r | Depth of washer face c | Major Diameter (D) | Pitch Diameter (D1) | Minor Diameter (D2) | |||||
MM | Min. | Min. | Max. | Min. | Max. | - | Max. | Min. | Min. | Min. | Max. | Min. | Min. | Min. | Max. | Min. | |
M-16 | 2.0 | 26.17 | 23.16 | 24 | 9.71 | 10.29 | FT | 17.70 | 22.00 | 0.6 | 0.2 | 0.8 | 15.68 | 15.96 | 14.50 | 14.60 | 13.80 |
M-18 | 2.5 | 29.56 | 26.16 | 27 | 11.15 | 11.85 | FT | 20.20 | 24.85 | 0.6 | 0.2 | 0.8 | 17.62 | 17.96 | 16.15 | 16.25 | 15.25 |
M-20 | 2.5 | 32.95 | 29.16 | 30 | 12.15 | 12.85 | FT | 22.40 | 27.70 | 0.8 | 0.2 | 0.8 | 19.62 | 19.96 | 18.15 | 18.25 | 17.25 |
M-22 | 2.5 | 37.29 | 33.00 | 34 | 13.65 | 14.35 | FT | 24.40 | 31.35 | 0.8 | 0.2 | 0.8 | 21.62 | 21.96 | 20.15 | 20.25 | 19.25 |
M-24 | 3.0 | 39.55 | 35.00 | 36 | 14.65 | 15.35 | FT | 26.40 | 33.25 | 0.8 | 0.2 | 0.8 | 23.58 | 23.95 | 21.80 | 21.90 | 20.70 |
M-27 | 3.0 | 45.20 | 40.00 | 41 | 16.65 | 17.35 | FT | 30.40 | 38.00 | 1.0 | 0.2 | 0.8 | 26.58 | 26.95 | 24.80 | 24.90 | 23.70 |
M30 | 3.5 | 50.85 | 45.00 | 46 | 18.28 | 19.12 | FT | 33.40 | 42.75 | 1.0 | 0.2 | 0.8 | 29.52 | 29.95 | 27.50 | 27.60 | 26.16 |
M-33 | 3.5 | 55.37 | 49.00 | 50 | 20.58 | 21.42 | FT | 36.40 | 46.55 | 1.0 | 0.2 | 0.8 | 32.52 | 32.95 | 30.50 | 30.60 | 29.16 |
M-36 | 4.0 | 60.79 | 53.80 | 55 | 22.08 | 22.92 | FT | 39.40 | 51.11 | 1.0 | 0.2 | 0.8 | 35.46 | 35.94 | 33.15 | 33.25 | 31.61 |
M-39 | 4.0 | 66.44 | 58.80 | 60 | 24.58 | 25.42 | FT | 42.40 | 55.86 | 1.0 | 0.3 | 1.0 | 38.46 | 38.94 | 36.20 | 36.30 | 34.61 |
M-42 | 4.5 | 71.30 | 63.10 | 65 | 25.58 | 26.42 | FT | 45.60 | 59.95 | 1.2 | 0.3 | 1.0 | 41.44 | 41.94 | 38.80 | 38.90 | 37.07 |
M-45 | 4.5 | 76.95 | 68.10 | 70 | 27.58 | 28.42 | FT | 48.60 | 64.70 | 1.2 | 0.3 | 1.0 | 44.44 | 44.94 | 41.80 | 41.90 | 40.07 |
M-48 | 5.0 | 82.60 | 73.10 | 75 | 29.58 | 30.42 | FT | 52.60 | 69.45 | 1.6 | 0.3 | 1.0 | 47.40 | 47.93 | 44.50 | 44.60 | 42.52 |
M-52 | 5.0 | 88.25 | 78.10 | 80 | 32.50 | 33.50 | FT | 56.60 | 74.20 | 1.6 | 0.3 | 1.0 | 51.40 | 51.93 | 48.50 | 48.60 | 46.52 |
M-56 | 5.5 | 93.56 | 82.80 | 85 | 34.50 | 35.50 | FT | 63.00 | 78.66 | 2.0 | 0.3 | 1.0 | 55.36 | 55.92 | 52.10 | 52.20 | 49.97 |
M-60 | 5.5 | 99.21 | 87.80 | 90 | 37.50 | 38.50 | FT | 67.00 | 83.41 | 2.0 | 0.3 | 1.0 | 59.36 | 59.92 | 57.85 | 57.95 | 53.97 |
M-64 | 6.0 | 104.86 | 92.80 | 95 | 39.50 | 40.50 | FT | 71.00 | 88.16 | 2.0 | 0.3 | 1.0 | 63.32 | 63.92 | 59.80 | 59.90 | 57.42 |
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