Description
Overview:
These 3/8" x 1" UNC zinc plated 8.8 high tensile setscrews are fully threaded hex-head fasteners designed for reliable assembly and repair on construction and garden machinery. Made from grade 8.8 high tensile steel for strength and fatigue resistance, each setscrew has a coarse UNC thread for secure clamping in steel and cast components. The zinc plated finish helps resist rust in outdoor and damp environments, making them suitable for both indoor workshops and site use. Size is 3/8 inch diameter (9.5 mm) by 1 inch length (25.4 mm). Supplied in a practical 100 pack for general maintenance, rebuilds, and new installs. Manufactured to ANSI B18.2.1.1965 dimensional standards. Manufacturer Part Number (MPN): 903 0178.
Key Features:
- 3/8" x 1" size with metric equivalents: 9.5 mm diameter x 25.4 mm length
- UNC coarse thread for strong engagement and easy starting (3/8-16, approx. 1.59 mm pitch)
- Fully threaded shank for maximum grip range and versatile use
- Grade 8.8 high tensile steel for dependable strength under load
- Zinc plated finish for corrosion resistance in outdoor and high-humidity conditions
- Hex head suits standard spanners and sockets for quick fitting and removal
- Supplied in a cost-effective 100 pack to cover multiple tasks and spares
- Consistent sizing and fit in line with ANSI B18.2.1.1965 standards
- Suitable for steel, cast, and plated components where a secure, repeatable clamp is needed
- Reliable choice for repairs, rebuilds, and new installations on site or in the workshop
Typical Applications:
General fastening on frames, brackets, guards, baseplates, engines, pumps, gearboxes, and attachments. Common on cement mixers, generators, compactors, tillers, lawn mowers, trailers, site equipment, and workshop fixtures. Useful for maintenance, refurbishment, and light fabrication where a 3/8" (9.5 mm) UNC fully threaded fastener is specified.
Also known as:
Hex set screw, set bolt, fully threaded hex bolt, UNC hex bolt, construction bolt, machine bolt, hex head screw, fixing bolt, hex fastener, cap screw (hex head).
Product Specifications
| L&S Part No. | 903 0178 |
|---|---|
| Unit of Sale | Pack of 100 |
| Size | 3/8" UNC x 1" |
| Key Features | - 3/8" x 1" size, 9.5 mm x 25.4 mm - UNC coarse thread, 3/8-16, approx. 1.59 mm pitch - Grade 8.8 high tensile steel for strength - Zinc plated for corrosion resistance - Supplied in a 100 pack for multiple tasks |
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