---
product_id: 133680072
title: "Wheel Accessories Parts 20 Pcs 7/16\"-20 Thread Open End Bulge Acorn 21mm 0.84\" Long Lug Nuts Zinc 3/4\" 19mm Hex Fits Many Classic Chevrolet, Buick, GMC, Pontiac Vehicles"
brand: "wheel accessories parts"
price: "AR$75506"
currency: ARS
in_stock: true
url: https://www.desertcart.com.ar/products/133680072-wheel-accessories-parts-20-pcs-7-16-20-thread-open
store_origin: AR
region: Argentina
---

# 21mm Length 7/16"-20 Thread Zinc Finish Wheel Accessories Parts 20 Pcs 7/16"-20 Thread Open End Bulge Acorn 21mm 0.84" Long Lug Nuts Zinc 3/4" 19mm Hex Fits Many Classic Chevrolet, Buick, GMC, Pontiac Vehicles

**Brand:** wheel accessories parts
**Price:** AR$75506
**Availability:** ✅ In Stock

## Summary

> 🔧 Upgrade Your Ride with Confidence!

## Quick Answers

- **What is this?** Wheel Accessories Parts 20 Pcs 7/16"-20 Thread Open End Bulge Acorn 21mm 0.84" Long Lug Nuts Zinc 3/4" 19mm Hex Fits Many Classic Chevrolet, Buick, GMC, Pontiac Vehicles by wheel accessories parts
- **How much does it cost?** AR$75506 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.ar](https://www.desertcart.com.ar/products/133680072-wheel-accessories-parts-20-pcs-7-16-20-thread-open)

## Best For

- wheel accessories parts enthusiasts

## Why This Product

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

## Key Features

- • **Safety First:** Meets or exceeds OEM factory standards for reliable performance.
- • **Sleek Design:** Open end bulge acorn style enhances the aesthetic of your aftermarket wheels.
- • **Universal Fit:** Compatible with a wide range of classic vehicles, ensuring you stay on the road.
- • **Easy Installation:** 19mm hex drive system allows for quick and hassle-free installation.
- • **Precision Engineering:** Crafted from cold forged carbon steel for unmatched durability.

## Overview

This 20-piece set of 7/16"-20 thread open end bulge acorn lug nuts is designed specifically for aftermarket wheels, ensuring a secure fit for a variety of classic Chevrolet, Buick, GMC, and Pontiac vehicles. Made from high-quality cold forged carbon steel with a zinc finish, these lug nuts meet or exceed OEM standards, providing both durability and style.

## Description

Sponsored Ad - Wheel Accessories Parts 20 Pcs 7/16"-20 Thread Open End Bulge Acorn 21mm 0.84" Long Lug Nuts Zinc 3/4" 19mm Hex Fits Many Classic Chevrolet, Buick, GMC, Pontiac Vehicles

## Features

- ❌ These Lug nuts are designed for AFTERMARKET wheels only. This lug may be the correct thread for your vehicle in many cases the lug seat is not large enough to create enough clamping force to safely clamp the OE wheel to your vehicle.
- 20 Pcs | 7/16"-20 Thread | Type: Open End Bulge Acorn | Length : 21mm 0.84" | Finish: Zinc | Hex: 19mm 3/4" Hex | 1 Piece Construction
- "Always use AMAZON CONFIRMED FIT to validate product fitment to your vehicle. This item fits Buick Regal 1973-81, LeSabre 1982-85 | Cadillac Seville 1977-85 | Chevrolet Bel Air 1959-81, Camaro 1967-81, Chevelle 1964-72, Corvette 1953-82, Impala 1959-85, Malibu 1976-81, Monte Carlo 1970-81, Nova 1975-79, Vega 1971-77 | Oldmobile, Cutlass 1985-87, Cutlass Calais 1983-84, Cutlass Supreme 1978-89 | Pontiac Firebird 1967-82, Grand Am 1973-74, Grand Prix 1977-87, GTO 1964-67, LeMans 1975-77
- Designed In USA - 19mm Hex Open End lug nuts are specifically designed for aftermarket wheels. Open end lug nuts are used mainly with wheels which caps which cover the lug nuts. Meets or Exceeds OEM Factory Standards.
- Cold forged carbon steel. High quality precise threads. Built to SAE Standards.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Material | Alloy Steel |
| Fastener Type | Wheel |
| Thread Size | 7/16"-20 |
| Exterior Finish | Zinc |
| Color | Zinc |
| Metal Type | Carbon Steel |
| Finish Type | Zinc |
| Drive System | External Hex |
| Brand | Wheel Accessories Parts |
| Thread Type | Unified National Fine |
| Thread Style | Right Hand |
| Thread Coverage | Fully Threaded |
| Size | 20 Pack |
| Manufacturer | Wheel Accessories Parts |
| Item Weight | 1.8 pounds |
| Package Dimensions | 6.6 x 4.9 x 2.4 inches |
| Item model number | OE ET Bulge Conical (3/4) |
| Manufacturer Part Number | 881540_ |

## Images

![Wheel Accessories Parts 20 Pcs 7/16"-20 Thread Open End Bulge Acorn 21mm 0.84" Long Lug Nuts Zinc 3/4" 19mm Hex Fits Many Classic Chevrolet, Buick, GMC, Pontiac Vehicles - Image 1](https://m.media-amazon.com/images/I/71PGL4+F0bL.jpg)

## Available Options

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

## Questions & Answers

**Q: Will this fit stock rims on a1968 impala?**
A: no

**Q: Can these be used with knockoff adapters?**
A: That is unknown but don’t risk it

**Q: will these fit my 1957 chevy belair ????**
A: Is the lug nuts 19 mm socket if that is correct then yes they will fit just make sure you have the right socket.

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**Shop now:** [https://www.desertcart.com.ar/products/133680072-wheel-accessories-parts-20-pcs-7-16-20-thread-open](https://www.desertcart.com.ar/products/133680072-wheel-accessories-parts-20-pcs-7-16-20-thread-open)

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*Product available on Desertcart Argentina*
*Store origin: AR*
*Last updated: 2026-03-14*