Panel Fastener Selector
Powered by Skybolt.AI
Step 1 — Choose Your Path
Select a product line to configure, or choose an application for guided recommendations.
Why Skybolt?
Since 1982Product Lines
Browse by product category
Quarter-Turn Fasteners
CLoc, ZLoc, ALoc and related quick-access fasteners.
Cowling Kits
Airframe-specific kits and assemblies. Coming soon
Tooling
Install tools, drill templates, gauges, and accessories. Coming soon
Applications
Get recommendations based on your industry
Racing
Ultra-light Skytanium fasteners for motorsport cowlings and body panels. NASCAR, NHRA, IndyCar approved.
Industrial Equipment
Heavy-duty fasteners for machinery access panels and enclosures. Coming soon
Military Drones
Mil-spec quarter-turn solutions for UAV maintenance panels. Coming soon
Skybolt Racing Fasteners
The Industry Standard for Quick Release Fasteners
Skybolt has served the Aerospace and Automotive Racing industries since 1982 through distribution and manufacturing of high quality, traceable, aerospace fasteners. We specialize in ¼-Turn Panel and Cowling fasteners in steel, 303 stainless, and our unique lightweight, high strength Skytanium® materials.
The unique Skybolt Skytanium Series Quick Release Fasteners target a 50% weight advantage with steel strength ratings. These engineering breakthroughs have become an industry standard, from Airbus to NASCAR, NASA to NHRA and IndyCar.
Select Your Racing Fastener Type
CLoc Fasteners
Flush-head quarter-turn fasteners. Skytanium construction for maximum weight savings with aircraft-grade strength.
- 200 LBS Working / 300 LBS Ultimate Load
- Phillips or Torx drive
- Flush mount for aerodynamic surfaces
ZLoc Fasteners
High-performance steel quarter-turns for extreme conditions.
- Higher load capacity
- Steel construction
- Heavy-duty applications
Structural Fasteners
CLoc 4000/6000 series for load-bearing racing applications.
- 1050+ LBS Ultimate Load
- TSO-C148 Approved
- Roll cage and structural panels
Configure Your Racing CLoc Fasteners
Enter your panel overlap dimension to get the correct dash number. We'll recommend the appropriate Skytanium stud and receptacle combination.
Combined thickness of outer panel + inner support panel (0.01" to 0.479")
Step 2 — Select CLoc Family
How to Choose the Right CLoc® Fastener
The application will determine the correct fastener. CLoc® fasteners are precision-engineered quarter-turn solutions trusted by aerospace, defense, motorsport, and commercial industries worldwide.
1. Structural Requirements
Non-structural with no mass consideration? Consider CLoc 2000 Series.
Semi-structural with some mass? Consider CLoc 4000 or 6000 Series.
2. Lip / Panel Overlap
.355" to .500" — CLoc 2500 Series
.500" to .710" — CLoc 2600/2700/2800 Series
.710" or more — CLoc 4000 Series
3. Weight Considerations
Consider the Skytanium® CLoc ZG Series for 30% to 50% weight savings without sacrificing steel strength ratings.
4. Receptacle Preference
Rivet Receptacle? Crimp Receptacle? Backing Nut? Bonded Receptacle? Each offers different installation and performance characteristics.
Select Your CLoc Family
CLoc 2000 Series
3-Piece System — Stud + Retainer + Locking Receptacle
Non-structural, ultra-light weight. Lip dimensions < 0.710".
CLoc 4000 Series
4-Piece System — Stud + Retainer + Grommet + Locking Receptacle
Semi-structural with grommets. Lip dimensions > 0.710".
ZLoc
High-performance steel quarter-turns. Coming soon
ALoc
Lightweight aluminum quarter-turns. Coming soon
Platemounts
Fixed receptacle plates and weldables. Coming soon
Step 3 — Configure Your CLoc Fastener
CLoc 2000 Configuration
Select your stud style, grip thickness, and receptacle options.
Auto-calculated from panel thicknesses. Override if there's a gap or spacer between panels.