# goBILDA 8 mm Lead Screw 550 mm (8 mm lead)

> goBILDA 3501-0804-0550 stainless-steel lead screw: 8 mm diameter, 4-start thread at 2 mm pitch for 8 mm of travel per revolution, 550 mm long, 167 g. Pairs with goBILDA 3500-series lead-screw nuts, 8 mm lead-screw-bore hubs and 8 mm bearings for lifts, slides and linear joints; no load or backlash figures are published.

- Manufacturer: goBILDA
- Part number: 3501-0804-0550
- Category: Lead & ball screws
- Canonical page: https://www.xirkit.io/products/gobilda-8-mm-lead-screw-550-mm-8-mm-lead-b938
- Structured JSON: https://www.xirkit.io/products/gobilda-8-mm-lead-screw-550-mm-8-mm-lead-b938/data.json
- Source: Xirkit structured parts catalog — every value traced to a cited document; unknowns are explicit.

## Key specifications

| Property | Value |
| --- | --- |
| Screw type | lead |
| Diameter | 8 mm |
| Pitch | 2 mm |
| Starts | 4 |
| Lead | 8 mm/rev |
| Length | 550 mm |
| Material | Stainless Steel |
| Weight | 167 g |
| Dimensions | 8 × 8 × 550 mm |

## Where to buy

| Supplier | Price | Stock | Checked | URL |
| --- | --- | --- | --- | --- |
| www.gobilda.com | 14.99 USD | in_stock | 2026-09-29 | https://www.gobilda.com/3501-series-lead-screw-8mm-lead-4-start-550mm-length/ |
| www.servocity.com | 14.99 USD | in_stock | 2026-09-29 | https://www.servocity.com/3501-series-lead-screw-8mm-lead-4-start-550mm-length/ |

## FAQ

**How much does the goBILDA 8 mm Lead Screw 550 mm cost?**

From $14.99 at www.gobilda.com (2 supplier offers tracked). Prices are observed unit prices before tax and shipping.

**What are the goBILDA 8 mm Lead Screw 550 mm dimensions?**

8 × 8 × 550 mm. A STEP model is available for enclosure fit checks.

**Where does this goBILDA 8 mm Lead Screw 550 mm data come from?**

Every value in this record is traced to a source — 3 documents including the board and chip datasheets — with the page and table cited per value. Unknowns are left explicit, never guessed.

## Sources

- [goBILDA 8 mm Lead Screw 550 mm (8 mm lead) datasheet](https://www.gobilda.com/3501-series-lead-screw-8mm-lead-4-start-550mm-length/)
- [www.gobilda.com listing](https://www.gobilda.com/3501-series-lead-screw-8mm-lead-4-start-550mm-length/)
- [www.servocity.com listing](https://www.servocity.com/3501-series-lead-screw-8mm-lead-4-start-550mm-length/)

## Part graph

### Alternatives (by use case)

- [goBILDA 8 mm Lead Screw 250 mm (8 mm lead)](https://www.xirkit.io/products/gobilda-8-mm-lead-screw-250-mm-8-mm-lead-2224) — Both serve linear motion and lifts — check the trade-offs; $8.99 vs $14.99

### Variants

- [goBILDA 8 mm Lead Screw 450 mm (8 mm lead)](https://www.xirkit.io/products/gobilda-8-mm-lead-screw-450-mm-8-mm-lead-e12e) — Same goBILDA 3501-series stainless lead screw (8 mm diameter, 2 mm pitch, 4 starts, 8 mm lead) — 550 mm long instead of 450 mm
- [goBILDA 8 mm Lead Screw 950 mm (8 mm lead)](https://www.xirkit.io/products/gobilda-8-mm-lead-screw-950-mm-8-mm-lead-e5d3) — Same goBILDA 3501-series stainless lead screw (8 mm diameter, 2 mm pitch, 4 starts, 8 mm lead) — 950 mm long instead of 550 mm