Description
Product Overview
The Astro Pneumatic 1/4-20 mandrel and nose piece is a precision-engineered component designed for use with ADN14 and ADN38 rivet nut adapters. Constructed from high-quality alloy steel with a hardened CRO-MO finish, this fastener ensures exceptional strength and corrosion resistance. Key specifications include a 1/4-20 thread size, unified national coarse threading, and a hex head style for easy installation. Weighing just 0.01 ounces, it is lightweight yet robust, making it suitable for various industrial and scientific applications where reliable fastening is critical.

Usage
This mandrel and nose piece is ideal for professionals in automotive, manufacturing, and construction industries who require secure rivet nut installations. It is commonly used in assembly lines, repair shops, and DIY projects where precise threading and durability are essential. The product works seamlessly with Astro ADN14 and ADN38 adapters, enabling efficient fastening in metal, plastic, or composite materials. Whether for machinery maintenance or equipment fabrication, it delivers consistent performance in demanding environments.
Why Choose Us
Astro Pneumatic Tool Company is renowned for its commitment to quality and innovation in industrial tools. This mandrel and nose piece feature a hardened CRO-MO exterior, providing superior wear resistance and longevity compared to standard steel fasteners. The precise threading and full thread coverage ensure a tight, secure fit every time, reducing the risk of stripping or failure. Backed by positive customer reviews and a reputation for reliability, this product offers professional-grade performance at an accessible price point.
Key Features
- Hardened CRO-MO finish for enhanced durability and corrosion resistance
- Fully threaded 1/4-20 design ensuring secure and stable fastening
- Compatible with Astro ADN14 and ADN38 rivet nut adapters for versatile use
- Lightweight alloy steel construction for easy handling without sacrificing strength
- Hex head style allows for straightforward installation with standard tools
FAQ
What tools are needed to install this mandrel and nose piece?
You will need a compatible rivet nut tool, such as the Astro ADN14 or ADN38 adapter, along with standard wrenches or sockets for the hex head.
Can this product be used with materials other than metal?
Yes, it is suitable for fastening in plastic, wood, and composite materials, provided the application aligns with the thread size and load requirements.
Is the mandrel reusable?
While designed for multiple uses, longevity depends on the frequency and conditions of application; regular inspection is recommended for optimal performance.
What is the warranty or support for this item?
Astro Pneumatic offers customer support and may provide warranties based on the retailer; check the product documentation or contact the manufacturer for details.
How does the hardened CRO-MO finish benefit the user?
This finish increases resistance to abrasion and corrosion, extending the product’s life in harsh environments and reducing maintenance needs.




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