Description
Product Overview
The Hillman 1147 U-type speed nut is engineered from high‑grade alloy steel, delivering the strength and durability required for demanding industrial and scientific applications. Each nut features a rectangular shape with a flat head, allowing it to sit flush against a work surface while providing a secure locking action. The #8‑32 thread size matches the most common coarse‑thread machine screws, making it a versatile choice for a wide range of equipment, from electronics enclosures to mechanical assemblies. The finish is unfinished, which preserves the natural steel surface for optimal spring tension and ensures the nut can be reused many times without loss of performance. The package includes twenty gray‑colored nuts, each weighing approximately 0.32 ounces, providing a cost‑effective solution for bulk projects.
Usage
Speed nuts are ideal for environments where space is at a premium. The U‑type design allows the nut to be installed in tight clearances where a traditional nut and washer would not fit. This makes the Hillman 1147 perfect for aerospace, automotive, and electronics manufacturing where components are densely packed. Installers appreciate the quick‑apply feature: the nut can be pressed onto a screw head without the need for a wrench, reducing assembly time and labor costs. Because the nut also functions as a lock washer, it eliminates the need for a separate locking element, simplifying inventory management. Whether you are building a prototype, maintaining industrial equipment, or completing a DIY project, these speed nuts provide reliable fastening in minutes.
Why Choose Us
Choosing the Hillman 1147 speed nut means selecting a product backed by The Hillman Group’s long history of quality fastener manufacturing. Each nut is stamped from spring steel that has been heat‑treated to achieve a precise hardness, guaranteeing consistent spring tension across the entire pack. The alloy composition resists corrosion, extending the life of the fastener even in humid or mildly corrosive environments. Our quality assurance process includes dimensional inspections and tensile testing to ensure every nut meets the specified #8‑32 thread tolerance and load capacity. In addition, we provide responsive customer support and a straightforward return policy, giving you confidence that any issue will be addressed promptly. By partnering with Hillman, you gain access to a trusted brand that prioritizes performance, reliability, and user satisfaction.
Key Features
- Compact U‑type design fits into minimal clearance spaces, saving valuable board real estate.
- Alloy steel construction offers high tensile strength and long‑term durability for repeated use.
- Integrated lock‑washer function eliminates the need for separate washers, reducing parts count.
- Easy press‑fit installation speeds up assembly lines and cuts labor costs.
- Supported by Hillman’s customer service team for technical assistance and after‑sales support.
FAQ
What thread size does the Hillman 1147 speed nut accept?
The nut is sized for a #8‑32 Unified National Coarse (UNC) thread, which is the standard coarse thread for many machine screws.
Can these speed nuts be reused after removal?
Yes. Because they are made from stamped spring steel, they retain their locking ability after multiple installations, making them reusable for many projects.
Is the unfinished gray finish suitable for corrosive environments?
The alloy steel base provides inherent corrosion resistance, but for highly corrosive settings you may consider applying a protective coating or using a stainless‑steel alternative.
How many pieces are included in the package?
Each package contains twenty individual U‑type speed nuts, all identical in size, material, and finish.
Are these nuts compatible with standard screwdrivers or wrenches?
While the primary installation method is a press‑fit, the flat head allows optional tightening with a screwdriver or wrench if additional torque is required.




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