DIN 933 M20×55 Fully Threaded Hex Bolt12 combinations of material, property class and finish supplied in this size.
- Standard
- DIN 933 · 1987-09
- Thread
- M20 · pitch 2.5 mm
- Length under head
- 55 mm · 54.4–55.6 mm to DIN 933 product grade A
- Drive
- 30 mm spanner · e 33.53 mm
- Head height
- 12.5 mm
- Clearance / tap drill
- 21 / 22 / 24 mm · 17.5 mm
- Weight
- 186.00 kg per 1 000 pieces · From the standard's published table5.4 pieces per kg
Supplied to DIN 933 M20×55 — the figures shown here match GB/T 5783. 2 record the same figures in this size. ISO 4017 (dw 28.19 mm against 28.2) does not. Compared on the columns shown here only — product grade, tolerance class, length range, material and property-class references are set by each standard separately. We produce to whichever one your drawing calls out. Compare all sizes →
Order M20×55
Set a quantity on as many rows as you need. Not listed? We make to your drawing — send it with the enquiry.
These are not identical at M20×55 — the difference is shown against each standard above. Your choice is carried into the inquiry and the quotation.
| Material | Class | Finish | Quantity | Net weight |
|---|---|---|---|---|
| Carbon Steel | 8.8 | Plain | — | |
| Carbon Steel | 8.8 | Zinc Plated | — | |
| Carbon Steel | 8.8 | Hot Dip Galvanized | — | |
| Carbon Steel | 8.8 | Dacromet | — | |
| Alloy Steel | 10.9 | Plain | — | |
| Alloy Steel | 10.9 | Zinc Plated | — | |
| Alloy Steel | 10.9 | Hot Dip Galvanized | — | |
| Alloy Steel | 10.9 | Dacromet | — | |
| Stainless Steel | A2-70 | Passivated | — | |
| Stainless Steel | A2-70 | Plain | — | |
| Stainless Steel | A4-80 | Passivated | — | |
| Stainless Steel | A4-80 | Plain | — |
Dimensions at M20×55
| Dimension | Value |
|---|---|
| P | 2.5 mm |
| s | 30 mm |
| e | 33.53 mm |
| k | 12.5 mm |
| Weight | 186.00 kg / 1000 pcs |
| Pieces per kg | 5.4 |
Plating adds thickness — state the finish on the order.
Holes for this thread
ISO 273 · ISO 2306| Hole | Diameter |
|---|---|
| Clearance hole | 21 / 22 / 24 mm |
| Tap drill | 17.5 mm |
Other lengths in M20
All sizes →| Size | kg per 1 000 pieces | |
|---|---|---|
| M20×45 | 165.00 | open |
| M20×50 | 176.00 | open |
| M20×55 | 186.00 | this page |
| M20×60 | 196.00 | open |
| M20×70 | 217.00 | open |
M20 x 40M20 x 45M20 x 50M20 x 60M20 x 70M20 x 80M20 x 90M20 x 100M20 x 110M20 x 120M20 x 130M20 x 140M20 x 150
