---
title: "MC-GZ-04 Locking Nut / Jam Nut"
url: "https://www.imspares.com/parts/mc-gz-04/"
part_number: "MC-GZ-04"
category: "Mechanical Components > Nuts & Fasteners"
availability: "In stock"
---

# MC-GZ-04 Locking Nut / Jam Nut

Locking jam nut for injection molding machine guide columns and shafts.

High-strength locking jam nut used on injection molding machine guide columns, shafts, and piston rods. Prevents loosening under vibration and cyclic loads.

## Specifications

| Specification | Value |
| --- | --- |
| Material | 45# / 42CrMo Steel |
| Type | Lock nut / jam nut |

## Compatible machines

- Haitian MA Series
- Haitian MA II Series

## Where it fits

Zone 4 of an injection molding machine: Tie bars & bushings.

Parts of the guide columns: **Lock nut**: Locking jam nut that holds the piston rod in the moving plate and stops it working loose under the repeated injection loads.

## Request a quote

Prices are quoted on request, with a reply within 24 hours: https://www.imspares.com/request-quote/mc-gz-04/ · Email contact@imspares.com · WhatsApp +86 177 5743 2656