Description
Overview:
This 200-pack of 1/4 x 3/4 UNC Zinc Plated 8.8 HT Setscrews provides a dependable solution for imperial-threaded assemblies on construction and garden machinery. Made from grade 8.8 high tensile steel with a bright zinc plated finish, each fully threaded hex head setscrew delivers strong clamping force and reliable corrosion resistance. The 1/4 inch (6.35 mm) diameter and 3/4 inch (19.05 mm) length suit brackets, guards, fixtures, and general repairs on plant, mowers, generators, compressors, and workshop jigs. The UNC coarse thread form is widely used on older and US-origin equipment, making these fasteners a practical choice for maintenance and fabrication. Use with matching 1/4-20 UNC nuts and suitable washers for secure, long-lasting joints in both indoor and outdoor environments.
Key Features:
- 1/4-20 UNC coarse thread for compatibility with imperial-threaded machinery and fixtures
- Length 3/4 in (19.05 mm), fully threaded for maximum grip across thin and thick materials
- Grade 8.8 high tensile steel for strong, reliable fastening under load
- Zinc plated finish helps resist rust and offers clean assembly in damp or dirty conditions
- Hex head for easy tightening with standard spanners or sockets
- Consistent sizing and thread quality for smooth assembly and repeatability
- Suitable for indoor and outdoor use in construction, agricultural, and garden equipment
- Supplied in a bulk 200 pack for efficient site, workshop, or fleet maintenance
- Works with standard 1/4-20 UNC nuts, plain washers, and spring washers
- Conforms to established dimensional guidance (ANSI B18.2.1:1965)
Typical Applications:
General fixing and mounting of brackets, guards, plates, jigs, and fixtures; equipment repairs and refurbishments; assembling frames, enclosures, and racking; securing engine accessories, pumps, mower decks, handle assemblies, tow hitches, and attachments on plant, garden machinery, agricultural implements, trailers, and workshop builds.
Also known as:
Hex setscrews, hex set bolts, fully threaded hex bolts, UNC hex screws, 1/4-20 bolts, imperial machine screws (hex head), threaded fasteners, set bolts, fixings, fastener bolts.
Alternate Part Numbers:
9030170
Product Specifications
| L&S Part No. | 903 0170 |
|---|---|
| Unit of Sale | Pack of 200 |
| Size | 1/4" UNC x 3/4" |
| Key Features | - 1/4-20 UNC coarse thread for imperial machinery - 3/4 inch length, fully threaded for maximum grip - Grade 8.8 high tensile steel for strong fastening - Zinc plated for corrosion resistance in damp conditions - Hex head for easy tightening with standard tools |
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