---
product_id: 403293744
title: "Rexka 50pcs M4.2-1.41 x 20mm Hex Head Tapping Screw for GM"
brand: "rexka"
price: "RM283"
currency: MYR
in_stock: true
reviews_count: 5
category: "Rexka"
url: https://www.desertcart.com.my/products/403293744-rexka-50pcs-m4-2-1-41-x-20mm-hex-head
store_origin: MY
region: Malaysia
---

# M4.2 mm precision diameter Fully threaded for max grip Phosphate finish for corrosion resistance Rexka 50pcs M4.2-1.41 x 20mm Hex Head Tapping Screw for GM

**Brand:** rexka
**Price:** RM283
**Availability:** ✅ In Stock

## Summary

> 🔧 Restore with confidence—precision screws for the discerning pro!

## Quick Answers

- **What is this?** Rexka 50pcs M4.2-1.41 x 20mm Hex Head Tapping Screw for GM by rexka
- **How much does it cost?** RM283 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.my](https://www.desertcart.com.my/products/403293744-rexka-50pcs-m4-2-1-41-x-20mm-hex-head)

## Best For

- rexka enthusiasts

## Why This Product

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

## Key Features

- • **Hex Head Drive System:** 7mm hex head for superior torque and easy installation with standard tools.
- • **Bulk Pack of 50 Screws:** Ideal for professional projects or large-scale repairs—never run out mid-job.
- • **Trusted OEM Replacement:** Directly replaces GM part numbers 1640810, 11503892, and 11500434 for guaranteed compatibility.
- • **Durable Phosphate Coating:** Enhanced corrosion resistance ensures longevity in tough environments.
- • **Precision Engineered M4.2 Diameter:** Fits perfectly with GM legacy models for seamless restoration.

## Overview

The Rexka 50pcs M4.2-1.41 x 20mm Hex Head Tapping Screws are high-quality, fully threaded alloy steel fasteners with a corrosion-resistant phosphate finish. Designed specifically to replace GM OEM parts, these screws ensure a perfect fit for classic Chevrolet, Buick, Pontiac, Cadillac, and GMC trucks. With a 7mm hex head drive, they offer easy installation and reliable torque, making them the go-to choice for professional restorers and mechanics aiming for flawless results.

## Description

Rexka 50pcs M4.2-1.41 x 20mm Hex Head Tapping Screw for GM : desertcart.in: Industrial & Scientific

Review: nice screws
Review: Great fit on a 2003 Ford F-250 super duty

## Features

- Phosphate Hex Head Sems Tapping Screw
- M4.2-1.41 x 20mm (#8 x 25/32"), Washer O.D.: 16mm (5/8"), 7mm Hex
- Replaces GM: 1640810, 11503892, 11500434
- Usually Used for Old Model like Chevrolet,Chevrolet Trucks,Buick,Oldsmobile Trucks,Pontiac Trucks,Cadillac Trucks,Pontiac,Oldsmobile,Cadillac,GMC Trucks

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B082RW9JXV |
| Brand | Rexka |
| Compatible Groove Diameter | 4.2 Millimeters |
| Country Of Origin | USA |
| Customer Reviews | 4.7 out of 5 stars 234 Reviews |
| Drive System | External Hex |
| Exterior Finish | Phosphate |
| Fastener Size | M4.2-1.41 x 20mm |
| Fastener Type | tapping screw |
| Head Style | Hex |
| Head Type | Hex |
| Item Diameter | 4.2 Millimetres |
| Manufacturer | Yongtao |
| Material | Alloy Steel |
| Material Type | Alloy Steel |
| Metal Type | Chrome Vanadium |
| Number of Pieces | 50 |
| Point Style | Regular |
| Screw Head Style | Hex |
| Screw Point Style | Regular |
| Set Screw Thread Type | Metric |
| Size Name | M4.2-1.41 x 20mm |
| Thread Coverage | Fully Threaded |
| Thread Size | M4 2 |
| Thread Style | Right Hand |
| Thread Type | UNC |
| UPC | 742377995748 |
| Unit Count | 50.0 Count |

## Product Details

- **Exterior Finish:** Phosphate
- **Head Style:** Hex
- **Material:** Alloy Steel
- **Point Style:** Regular
- **Thread Size:** M4 2

## Images

![Rexka 50pcs M4.2-1.41 x 20mm Hex Head Tapping Screw for GM - Image 1](https://m.media-amazon.com/images/I/611CeRQhWZL.jpg)
![Rexka 50pcs M4.2-1.41 x 20mm Hex Head Tapping Screw for GM - Image 2](https://m.media-amazon.com/images/I/61Tzh4E0zXL.jpg)
![Rexka 50pcs M4.2-1.41 x 20mm Hex Head Tapping Screw for GM - Image 3](https://m.media-amazon.com/images/I/71f-Uc+713L.jpg)
![Rexka 50pcs M4.2-1.41 x 20mm Hex Head Tapping Screw for GM - Image 4](https://m.media-amazon.com/images/I/814NgpL1teL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ nice screws
*by J***H on 16 July 2025*



### ⭐⭐⭐⭐⭐ Great fit on a 2003 Ford F-250 super duty
*by N***A on 8 January 2025*



### ⭐⭐⭐⭐⭐ Works great!
*by A***G on 19 October 2025*



## Frequently Bought Together

- Rexka 50pcs M4.2-1.41 x 20mm Hex Head Tapping Screw for GM Jeep Wrangler 1640810 11500434 11503892
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- Rexka 50pcs Fender Liner Splash Shield Wheelhouse Liner Screw Phillips Truss Head Sems Compatible with Honda Acura BMW 90114-SE0-000 Accord ILX RDX TL TSX 90114SE0000

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**Shop now:** [https://www.desertcart.com.my/products/403293744-rexka-50pcs-m4-2-1-41-x-20mm-hex-head](https://www.desertcart.com.my/products/403293744-rexka-50pcs-m4-2-1-41-x-20mm-hex-head)

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*Product available on Desertcart Malaysia*
*Store origin: MY*
*Last updated: 2026-02-05*