Flush Allen Hd Fasteners 7/16.500in 10pk Alum ALL19140

OVERVIEW

When you are building a high-performance air-cooled machine, whether it is a desert-shredding Baja Bug, a precision-tuned drag Beetle, or a custom tube-chassis sand rail, the details in your body mounting system make all the difference. The Allstar Performance Flush Allen Head Fasteners are the gold standard for racers and fabricators who demand a secure, professional, and aerodynamic finish. These 7/16-inch diameter fasteners feature a .500-inch reach, making them the perfect choice for securing fiberglass body panels, aluminum interior tins, and removable access shields. Unlike traditional slotted fasteners that are prone to stripping or slipping when you are in a rush in the pits, the Allen head design provides a positive, non-slip engagement that allows for rapid removal and installation without damaging the finish of your panels.

Constructed from high-grade lightweight aluminum, these fasteners are designed to withstand the harsh vibrations and environmental stresses common in the air-cooled VW world. By utilizing a flush-mount profile, you eliminate snag points and reduce wind resistance, which is critical for both aesthetic cleanlines and high-speed stability. This 10-pack of ALL19140 fasteners ensures you have enough hardware to complete a full section of your build with consistent quality. At Appletree Automotive, we know that "close enough" isn''t good enough when you are flying through the whoops or launching off the line. That is why we recommend these Allstar fasteners for anyone looking to upgrade their Dzus-style mounting hardware to a more modern, reliable, and professional-looking hex-drive system.

FITMENT

These fasteners are universal fabrication components commonly used on the following air-cooled VW applications and custom builds:

• Volkswagen Beetle (All Years): Perfect for removable fiberglass hoods, decklids, and oversized fenders.
• Baja Bugs: Ideal for securing skid plates, roof panels, and custom light bar housings.
• Sand Rails & Dune Buggies: The industry standard for side panels, floorboards, and dash consoles.
• Meyers Manx & Kit Cars: Used for quick-release access to battery boxes and fuel tank covers.
• Volkswagen Karmann Ghia: Excellent for custom race-prep bodywork and interior paneling.
• Volkswagen Type 2 Bus: Often used in custom engine bay tinware and removable service panels.
• Volkswagen Thing (Type 181): Great for mounting custom door inserts and lightweight exterior modifications.

SPECS

• Brand: Allstar Performance
• Part Number: ALL19140
• Fastener Diameter: 7/16 Inch
• Grip Length (Reach): 0.500 Inch
• Head Style: Flush Mount Allen (Hex) Head
• Material: High-Strength Lightweight Aluminum
• Drive Type: Internal Hex (Allen Key)
• Package Quantity: 10 Fasteners per pack
• Finish: Natural Aluminum
• Common Application: Quarter-turn (Dzus style) body panel retention

PRO TIPS

1. Measuring the Correct Grip Length

Achieving the perfect "click" with a quarter-turn fastener depends entirely on your grip length. To ensure the .500-inch reach of these ALL19140 fasteners is correct for your application, you must measure the total thickness of the panels being joined plus the thickness of the mounting spring. Don''t forget to account for any spacers or washers in your stack-up. If the reach is too short, the fastener won''t engage the spring; if it is too long, the panel will rattle and vibrate, eventually leading to fatigue of the aluminum material or the mounting tab.

2. Preventing Galling and Seizing

Because these fasteners are made of aluminum, they are susceptible to galling if they are repeatedly cycled under high tension or used in dusty off-road environments. We highly recommend applying a very small amount of dry film lubricant or a specialized anti-seize compound to the cam-lock portion of the fastener. This ensures that the quarter-turn action remains smooth even after a weekend in the sand or mud, and it prevents the aluminum from "welding" itself to the steel spring over time, which can happen in high-vibration VW engine compartments.

3. Perfect Alignment for Rapid Access

When fabricating your mounting tabs, always use a transfer punch or a dedicated Dzus-alignment tool to ensure the center of the fastener hole is perfectly aligned with the center of the spring. If the fastener is even slightly off-center, it will put side-load on the Allen head drive, making it difficult to turn and increasing the risk of stripping the hex socket. For the cleanest look on your VW, use a countersinking tool on your panels so the flush head sits perfectly flat, preventing any protruding edges that could catch on a race suit or a cleaning rag.