DIN 939 double-ended studs are headless mechanical threaded fasteners. Both ends of the stud have threads, which can be used to install nuts, or one end can be screwed into a pre-tapped threaded hole, while the other end is used to connect and secure components with nuts.
Beyond Fastener offers a complete range of metric DIN 939 double-ended studs and various imperial and metric industrial fastener series. Metric DIN 939 double-ended studs are available for immediate shipment from stock: diameters range from M5 to M30.
DIN 939 Parameters
Equivalent norms: CSN 021176, PN 82131.
| mm | P | b1 | ds max |
|---|---|---|---|
| M4 | 0.7 | 5 | 4 |
| M5 | 0.8 | 6.5 | 5 |
| M6 | 1 | 7.5 | 6 |
| M7 | 1 | 9 | 7 |
| M8 | 1|1.25 | 10 | 8 |
| M10 | 1.25|1.5 | 12 | 10 |
| M12 | 1.25|1.5|1.75 | 15 | 12 |
| M14 | 1.5|2 | 18 | 14 |
| M16 | 1.5|2 | 20 | 16 |
| M18 | 1.5|2.5 | 22 | 18 |
| M20 | 1.5|2.5 | 25 | 20 |
| M22 | 1.5|2.5 | 28 | 22 |
| M24 | 2|3 | 30 | 24 |
| M27 | 2|3 | 35 | 27 |
| M30 | 2|3.5 | 38 | 30 |
| M33 | 2|3.5 | 42 | 33 |
| M36 | 3|4 | 45 | 36 |
| M39 | 3|4 | 50 | 39 |
| M42 | 3|4.5 | 52 | 42 |
| M45 | 3|4.5 | 58 | 45 |
| M48 | 3|5 | 60 | 48 |
| M52 | 3|5 | 65 | 52 |
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Other Standards
GB Standard
GOST Standard
NF Standard
KS Standard