Hillman No. 1/4-20 x 1-1/2 in. Stainless Steel Machine Screws come in a 100-pack boxed set, engineered to deliver dependable fastening for metal-to-nut or tapped-hole assemblies in both indoor and outdoor environments. With a Phillips drive and a rounded oval head, these screws balance a clean, low-profile look with practical ease of installation.
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Size and thread: No. 1/4-20 coarse thread, 1-1/2" length—noted for solid engagement with nuts or tapped holes and straightforward driving in a variety of metals.
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Material: Stainless steel offers strong corrosion resistance, making these fasteners suitable for damp, humid, or outdoor settings where reliability matters.
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Head and drive: Phillips oval head, designed for a smooth, semi-flush appearance on finished surfaces and compatibility with standard Phillips-bit drivers.
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Finish and durability: Stainless construction provides long-lasting performance even in harsh environments, helping your projects stand up to the elements.
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Packaging: 100 screws per box, convenient for bulk projects and inventory planning.
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Applications: Ideal for assemblies that use nuts or tapped holes. Not self-drilling or self-tapping, so prepare a clearance hole and mating nut or threaded insert for a secure connection.
What makes these Hillman screws stand out
These machine screws are purpose-built for repeatable, reliable assemblies where a stainless steel fastener is preferred. The No. 1/4-20 thread is a versatile standard for brackets, frames, electrical enclosures, signage mounts, and other metal-to-metal connections. The oval head provides a polished finish with a functional, low-profile silhouette, while the Phillips drive ensures broad compatibility with common tools and quick, confident tightening.
Use-case scenarios
Use them to attach brackets to metal framing, secure panels to enclosures, or assemble outdoor signage frames where stainless hardware is desired. They work well in DIY projects, shop installations, or professional builds that demand corrosion resistance and dependable load-bearing performance over time.
Practical tips
- Pair with a compatible nut or tapped hole for a secure, vibration-resistant connection.
- Pre-drill a clearance hole sized for the 1/4" diameter to ensure clean threading and reduce material stress.
- Use washers for load distribution when fastening thin or brittle materials.
- Avoid over-tightening to prevent thread damage and maintain long-term reliability.
Stock up with this 100-pack of Hillman No. 1/4-20 x 1-1/2 in. Stainless Steel Machine Screws to ensure you have the right, ready-to-use fasteners for indoor-and-outdoor projects that demand durability, corrosion resistance, and a tidy, finished look.
