# Ball joint, M4, external thread, SA4T

> Ball joint SA4T with external M4 right-hand thread, made of steel. Often used for arms and guide rods in Delta 3D printers, providing precise movement and angle compensation. Total length 36mm, thread length 21mm, ball inner diameter 4mm.

- Page: https://sigmanortec.ro/en/ball-joint-m4-external-thread-sa4t
- Price: 8.32 RON
- Availability: Out of stock
- Reference: 9899 · EAN: 5940766078149
- Category: Mechanical components > Elements of Connection
- Specifications: Model: SA4T
- Package (shipping data): 0.009 kg
- Updated: 2026-10-20
- Shop: [Sigmanortec.ro](https://sigmanortec.ro/en/llms.txt)
- Prices: RON, VAT included; prices and stock as of 2026-10-22 01:33 (Europe/Bucharest)

## Description

SA4T ball joint with M4 external thread on the right, ideal for Delta 3D printer arms and guide rods, ensures precise movement and angle compensation in mechanisms. It is made of steel for strength, has a total length of 36mm, a thread of 21mm and an inner ball diameter of 4mm.
Ball joint, type SA4T, with male (external) thread type M4, right. This joint is often used in Delta type 3D printers.
Specifications:
Material: Steel
Total length: 36mm
Thread length: 21mm
Thread: M4, right-hand
Ball inner diameter: 4mm
Standard dimensions: