Key specifications
| Standard | DIN 315 round wings; DIN 314 edged wings on request |
|---|---|
| Sizes | M4 to M24 |
| Materials | Steel, stainless A2 or A4, brass |
| Finishes | Zinc plated, plain stainless, plain brass |
| Tightening | By hand |
Made to order in China and shipped FOB or CIF from Tianjin, Ningbo, Shanghai or Shenzhen. Sizes, grades and finishes outside this list can be quoted.
Dimension drawing
DIN 315 wing nut dimensions (mm)
Maximum values from DIN 315, July 1998 edition. Check the governing edition for your order.
| Size | Pitch P | Wing span e max | Height h max | Thread height m max | Inquiry |
|---|---|---|---|---|---|
| M4 | 0.7 | 20 | 10.5 | 4.6 | Quote this size |
| M5 | 0.8 | 26 | 13 | 6.5 | Quote this size |
| M6 | 1 | 33 | 17 | 8 | Quote this size |
| M8 | 1.25 | 39 | 20 | 10 | Quote this size |
| M10 | 1.5 | 51 | 25 | 12 | Quote this size |
| M12 | 1.75 | 65 | 35.5 | 14 | Quote this size |
| M16 | 2 | 73 | 37.5 | 17 | Quote this size |
| M20 | 2.5 | 90 | 46.5 | 21 | Quote this size |
| M24 | 3 | 110 | 56.5 | 25 | Quote this size |
Where wing nuts fit
- Good fit: covers, clamps, guards, jigs and fixtures that are opened by hand.
- Poor fit: structural joints or parts that need a controlled tightening torque.
- Vibration can loosen hand-tightened nuts, so review the joint for moving equipment.
Packing, shipping and documents
| MOQ | 500 pcs per specification; mixed sizes can be combined on one order |
|---|---|
| Lead time | 10–15 days for stock items, 25–30 days for production orders, confirmed in the quotation |
| Export packing | Inner boxes or bags labelled by size, export cartons, then palletized and stretch-wrapped; buyer labels and barcodes on request |
| Shipping ports | Tianjin, Ningbo, Shanghai, Shenzhen |
| Incoterms | EXW, FOB, CFR, CIF, DAP, DDP on request |
| HS code reference | HS 7318.16 is the usual heading for steel nuts. Confirm the final code with your customs broker. |
| Certificate of origin | ACFTA Form E available on request for buyers in ASEAN countries such as Malaysia, Indonesia, Vietnam and the Philippines |
| Order documents | Commercial invoice, packing list and inspection records agreed in the quotation |
What to include in your RFQ
- DIN 315 round wings or DIN 314 edged wings
- Thread size
- Material and finish
- Quantity per size
- Packing and destination
Frequently asked questions
What is the difference between DIN 314 and DIN 315?
Both are wing nuts. DIN 315 has round wings and DIN 314 has edged wings.
What is the wing span of an M8 DIN 315 wing nut?
Up to 39 mm, with a maximum height of 20 mm.
Are wing nuts suitable for structural joints?
No. They are tightened by hand, so they suit light loads and parts that are opened often.
What is the MOQ for wing nuts?
Reference MOQ is 500 pcs per specification. This product is made to order, so lead time and price are confirmed with each quotation. We reply to every RFQ within 2 working hours.
Sources for technical review