# Locking nut for 8 mm trapezoidal screw, OEM (AMS-18953)

**URL:** https://aio.lv/en/product--oem-ams-18953--11851372
**Data updated:** 2026-03-09 17:27 (EET)
**Category:** 3D Printer Consumables
**Manufacturer:** OEM
**Manufacturer code:** AMS-18953
**EAN:** 5904422355210
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 6.99 €
**Prices and availability valid until:** 2026-07-17 23:59
**Price without VAT (21%):** 5.78 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--oem-ams-18953--11851372

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 09.07.2026 | free |
| Pickup points | 14.07.2026 | 1.99 EUR |
| Courier delivery to door | 14.07.2026 | 4.99 EUR |

## Summary description

Locking nut designed for use with an 8 mm trapezoidal (trapezium) screw. OEM part AMS-18953 provides play compensation and secure fastening on trapezoidal lead screws used in linear motion assemblies, jacks, or mechanical drives. Manufactured to fit 8 mm trapezoidal thread profile for reliable engagement and easy installation in industrial or DIY applications.

## Long description

Locking nut for 8 mm trapezoidal screw designed to work with 8 mm trapezoidal (Tr8) lead screws. This OEM locking nut provides play compensation and secure axial retention for linear motion assemblies, jacks and mechanical drives. The component is made to engage reliably with the trapezoidal thread profile and to simplify installation and adjustment in industrial and DIY setups.
Advantages
The locking nut offers reliable thread engagement and reduced axial play, ensuring smoother linear movements and more accurate positioning. Its design enables straightforward installation and adjustment without the need for complex tools. Built for compatibility with 8 mm trapezoidal screw profiles, the nut supports stable fastening under reversing or oscillating loads and helps maintain preload in assemblies.
Suitable for
 Linear actuators and leadscrew driven stages
 Mechanical jacks and lifting devices
 DIY machine builds and CNC hobby projects
 Fixtures and guide systems requiring axial play compensation
Key specifications
 Thread profile compatibility: 8 mm trapezoidal lead screw
 Function: locking / play compensation on lead screws
 Application area: linear motion, mechanical drives, jacks
 Installation: nut designed for straightforward mounting and adjustment
 Material characteristics: suitable for mechanical fastening and repeated use
How to use
Install the locking nut onto the 8 mm trapezoidal screw by hand-starting the thread, then tighten to the required position using appropriate tools as needed. Adjust axial play by setting the nut to the desired preload and, if applicable, use the locking feature or an additional retaining element to secure the setting. For assemblies with reversing loads, verify engagement and recheck preload after initial run-in to ensure stable operation.
Usage recommendations
Use with correctly matched 8 mm trapezoidal screws and periodically inspect for wear or loosening. Apply suitable lubrication to the lead screw and nut interface to reduce friction and extend service life. Reassess preload after substantial operating hours or heavy-load cycles to maintain positioning accuracy.

## FAQ

### How much does the Locking nut for 8 mm trapezoidal screw AMS-18953 cost, and is it available for purchase?

The price is 6.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 10 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 09.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All OEM products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized OEM service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

## Image

https://aio.lv/img/cache/product/11851372/67249842_large.webp