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DIN 404 Slotted Head Screws
Metric DIN 404 Slotted Head Screws have a unique design in that head which is similar to a cheese head in shape have two holes bored through the side of the head at 90 degrees to one another serving a dual purpose:
- DIN 404 Slotted Head Screw may be tightened by inserting a tee bar into the hole when it is not possible to use a screw driver to tighten the screw.
- Locking wires can be attached to the cross holes to secure the screw.
Following are the specification for DIN 404 Slotted Head Screws.
Thread
- Metric
Head Type
- Cylinder Type
Drive
- Slot
Material:
- Steel or Stainless Steel
Grade
- A1 & A2 Stainless Steel, A2 & A4 Steel
| D | M2 | M2.5 | M3 | M4 | M5 | M6 | M8 | M10 | |
|---|---|---|---|---|---|---|---|---|---|
| P | 0.4 | 0.45 | 0.5 | 0.7 | 0.8 | 1 | 1.25 | 1.5 | |
| B | 16 | 18 | 19 | 22 | 25 | 28 | 34 | 40 | |
| D1 | max. | 1.34 | 1.34 | 1.64 | 2.14 | 2.64 | 3.14 | 4.18 | 5.18 |
| Min. | 1.20 | 1.20 | 1.50 | 2.00 | 2.50 | 3.00 | 4.00 | 5.00 | |
| Dk | max. | 3.80 | 4.50 | 5.50 | 7.00 | 8.50 | 10.00 | 13.00 | 16.00 |
| Min. | 3.68 | 4.38 | 5.38 | 6.85 | 8.35 | 9.85 | 12.82 | 15.82 | |
| DS | max. | 2.00 | 2.50 | 3.00 | 4.00 | 5.00 | 6.00 | 8.00 | 10.00 |
| Min. | 1.85 | 2.36 | 2.86 | 3.82 | 4.82 | 5.82 | 7.78 | 9.78 | |
| K | max. | 3.30 | 3.88 | 4.38 | 5.38 | 6.95 | 8.45 | 10.45 | 13.05 |
| Min. | 2.70 | 3.12 | 3.62 | 4.62 | 6.05 | 7.55 | 9.55 | 11.95 | |
| T | max. | 0.90 | 1.00 | 1.25 | 1.70 | 2.00 | 2.60 | 3.20 | 4.10 |
| Min. | 0.70 | 0.80 | 1.00 | 1.40 | 1.70 | 2.20 | 2.70 | 3.50 | |
| N | max. | 0.70 | 0.80 | 1.00 | 1.20 | 1.51 | 1.91 | 2.31 | 2.81 |
| Min. | 0.56 | 0.66 | 0.86 | 1.06 | 1.26 | 1.66 | 2.06 | 2.56 | |
All measurements are in millimetres(mm).
We can manufacture and export DIN 404 Slotted Head Screws as per specifications (custom drawing and samples) for more information please Contact us