DIN316 Wing Screws
DIN 316 Wing Screws are made for fastening points where the convenience of hand operation matters. Their wing-shaped heads provide enough grip to tighten or loosen the screw directly by hand, eliminating the need for a screwdriver or wrench during routine access and adjustment. This makes them particularly useful for covers, guards, fixtures, panels, and other components that may need to be opened or repositioned without specialized tools.
The design is especially practical in equipment that requires frequent access, temporary fixing, or on-site adjustment. Instead of carrying a separate tool to release a conventional screw, an operator can grip the wings and make the adjustment directly. The screw is therefore better suited to moderate clamping requirements where speed, accessibility, and ease of operation are more important than applying high tightening torque. DIN 316 Wing Screws can be used in machine covers, equipment panels, inspection openings, fixtures, instrument housings, and general mechanical assemblies.


Specification:
| Item | Specification |
|---|---|
| Standard | DIN316 |
| Product Type | Wing Screw |
| Head Style | Wing Head |
| Drive | Manual Hand Tightening |
| Thread | Metric Coarse Thread |
| Thread Size | M4-M24 |
| Material | Carbon Steel,Stainless Steel |
| Surface Treatment | Passivation,Bright Pickling,Zinc Plated |
Dimension Chart of DIN316 Wing Screws:

| Mon | M4 | M5 | M6 | M8 | M10 | M12 | M16 | M20 | M24 |
| P | 0.7 | 0.8 | 1 | 1.25 | 1.5 | 1.75 | 2 | 2.5 | 3 |
| a max | 2.1 | 2.4 | 3 | 4 | 4.5 | 5.3 | 6 | 7.5 | 9 |
| dk max | 8 | 11 | 13 | 16 | 20 | 23 | 29 | 35 | 44 |
| dk min | 6 | 8 | 10 | 13 | 17 | 20 | 26 | 32 | 41 |
| d1 max | 7 | 9 | 11 | 12.5 | 16.5 | 19.5 | 23 | 29 | 37.5 |
| d1 min | 5.5 | 7.5 | 9 | 10.5 | 14.5 | 17.5 | 21 | 27 | 35 |
| H max | 20 | 26 | 33 | 39 | 51 | 65 | 73 | 90 | 110 |
| H min | 18 | 24 | 30 | 36 | 48 | 62 | 70 | 86 | 106 |
| y max | 1.9 | 2.3 | 2.3 | 2.8 | 4.4 | 4.9 | 6.4 | 6.9 | 9.4 |
| y min | 1.1 | 1.5 | 1.5 | 2 | 3.6 | 4.1 | 5.6 | 6.1 | 8.6 |
| y1 max | 2.3 | 2.8 | 3.3 | 4.4 | 5.4 | 6.4 | 7.5 | 8 | 10.5 |
| y1 min | 1.7 | 2.3 | 2.7 | 3.6 | 4.6 | 5.6 | 6.5 | 7 | 9.5 |
| h max | 10.5 | 13 | 17 | 20 | 25 | 33.5 | 37.5 | 46.5 | 56.5 |
| h min | 8.5 | 11 | 15 | 18 | 23 | 31 | 35 | 44 | 53.5 |
| k max | 4.6 | 6.5 | 8 | 10 | 12 | 14 | 17 | 21 | 25 |
| k min | 3.2 | 4 | 5 | 6.5 | 8 | 10 | 13 | 16 | 20 |
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Application of DIN316 Wing Screws:
Equipment Covers and Access Panels
DIN 316 Wing Screws are useful for covers, inspection panels, access doors, and removable guards that need to be opened during routine inspection, cleaning, adjustment, or maintenance. The wing head allows the operator to release the fastening point directly by hand without searching for a separate screwdriver or wrench.
Fixtures and Adjustable Components
The hand-operated design works well for fixtures, clamps, positioning components, brackets, and adjustable equipment parts where the fastening point may need to be loosened and retightened during setup. DIN 316 is particularly practical when quick manual adjustment is more important than applying a high tightening torque.
Instrument and Equipment Housings
Wing Screws can be used on instrument housings, laboratory equipment, electrical enclosures, control equipment, and light mechanical assemblies where access to an internal component is occasionally required. The ability to remove the screw by hand can simplify routine servicing and component access.
