---
product_id: 1681558
title: "Trimax Premium Universal Die Cast Unattended Trailer Lock, Huge 9/16\" Dia. Shackle UMAX50, Clam Packaging"
brand: "trimax"
price: "₨66843"
currency: LKR
in_stock: true
url: https://www.desertcart.lk/products/1681558-trimax-premium-universal-die-cast-unattended-trailer-lock-huge-9
store_origin: LK
region: Sri Lanka
---

# 9/16" hardened steel shackle 7-pin high-security spring-loaded key 6-tooth dual ratchet locking system Trimax Premium Universal Die Cast Unattended Trailer Lock, Huge 9/16" Dia. Shackle UMAX50, Clam Packaging

**Brand:** trimax
**Price:** ₨66843
**Availability:** ✅ In Stock

## Summary

> 🔐 Lock in peace of mind with Trimax — the ultimate trailer security upgrade!

## Quick Answers

- **What is this?** Trimax Premium Universal Die Cast Unattended Trailer Lock, Huge 9/16" Dia. Shackle UMAX50, Clam Packaging by trimax
- **How much does it cost?** ₨66843 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.lk](https://www.desertcart.lk/products/1681558-trimax-premium-universal-die-cast-unattended-trailer-lock-huge-9)

## Best For

- trimax enthusiasts

## Why This Product

- Trusted trimax brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Dirt-Proof Design:** Sliding keyhole cover seals out grime for smooth operation every time
- • **High-Security Key:** Spring-loaded 7-pin key resists drill attacks and won’t bend or break
- • **Unbreakable Security:** Hardened 9/16" steel shackle resists cutting and tampering
- • **Precision Locking Power:** 6-tooth dual ratchet system ensures rock-solid lock engagement
- • **Universal Fit, Zero Hassle:** Fits all coupler types from 1-7/8" to 2-5/8" effortlessly

## Overview

The Trimax Premium Universal Die Cast Trailer Lock (UMAX50) offers unmatched security with its massive 9/16" hardened steel shackle and advanced 6-tooth dual ratchet locking system. Designed to fit all standard coupler sizes, it features a dirt-resistant sliding keyhole cover and a high-security 7-pin spring-loaded key that resists drilling and bending. Rugged, reliable, and easy to use, this lock is the go-to choice for professionals who demand top-tier trailer protection.

## Description

Premium Universal Die Cast Unattended Trailer Lock, Huge 9/16" Dia. Shackle UMAX50, Clam Packaging

## Features

- Crafted from the highest quality material
- One size fits all (from 1-7/8", 2", to 2-5/15", all coupler types)
- Key hole cover slides up to seal out dirt and grime
- Type A key which is a spring loaded, 7 pin, high security key. Resists attempted drill outs. Rugged and durable, the key will not bend or break.
- Huge 6 tooth, 3/8" dual ratchet locking system
- Hardened 5/8" 16mm steel shackle

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | Trimax |
| Special Feature | Key Unlock |
| Lock Type | Key Lock |
| Item dimensions L x W x H | 3.9 x 8.9 x 9.1 inches |
| Material | Synthetic |
| Recommended Uses For Product | Security |
| Style | Universal Coupler Lock Die-Cast |
| Color | No |
| Number of Pieces | 1 |
| Included Components | Trimax UMAX50 |
| Controller Type | Hand Control |
| Shape | Round |
| Item Weight | 1.5 Kilograms |
| Control Method | Touch |
| UPC | 797824101258 |
| Model Name | Trimax UMAX50 |
| Global Trade Identification Number | 00797824101258 |
| Manufacturer | Trimax |
| Item Package Dimensions L x W x H | 9.8 x 9.57 x 4.45 inches |
| Package Weight | 1.54 Kilograms |
| Item Dimensions  LxWxH | 3.9 x 8.9 x 9.1 inches |
| Brand Name | Trimax |
| Warranty Description | Manufacturer Warranty |
| Suggested Users | unisex-adult |
| Number of Items | 1 |
| Part Number | UMAX50 |
| Size | One Size |

## Product Details

- **Brand:** Trimax
- **Special Feature:** Key Unlock
- **Lock Type:** Key Lock
- **Item dimensions L x W x H:** 3.9 x 8.9 x 9.1 inches
- **Material:** Synthetic

## Images

![Trimax Premium Universal Die Cast Unattended Trailer Lock, Huge 9/16" Dia. Shackle UMAX50, Clam Packaging - Image 1](https://m.media-amazon.com/images/I/61OAXnokZEL.jpg)

## Available Options

This product comes in different **Size** options.

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**Shop now:** [https://www.desertcart.lk/products/1681558-trimax-premium-universal-die-cast-unattended-trailer-lock-huge-9](https://www.desertcart.lk/products/1681558-trimax-premium-universal-die-cast-unattended-trailer-lock-huge-9)

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*Product available on Desertcart Sri Lanka*
*Store origin: LK*
*Last updated: 2026-03-08*