Description
Overview:
These 3/8" UNC x 3" Zinc Plated 8.8 HT Setscrews are fully threaded, hex-head fasteners made from high tensile steel (grade 8.8) for dependable clamping in demanding jobs. The coarse UNC thread provides easy starting and strong hold in metals and suitable plastics. Each setscrew is zinc plated to help resist rust in both indoor and outdoor environments. The 3/8" diameter (9.53 mm) and 3" overall/thread length (76.2 mm) suit a wide range of assemblies in construction, plant, agricultural and garden machinery. Use in tapped holes or with matching 3/8" UNC nuts and washers where required. Supplied in a practical 50-pack for workshop and site use. Dimensions align with ANSI B18.2.1.1965 for consistent fit with standard spanners and sockets.
Key Features:
- 3/8" UNC coarse thread for versatile, secure fastening (diameter 9.53 mm)
- 3" overall and thread length (76.2 mm) - fully threaded for maximum grip range
- Grade 8.8 high tensile steel for strong, reliable tightening
- Zinc plated finish for corrosion resistance in indoor and outdoor use
- Hex head design for easy installation with standard spanners or sockets
- Consistent dimensions to ANSI B18.2.1.1965 for predictable fit and interchangeability
- Smooth, clean threads for easier starting and reduced risk of cross-threading
- Supplied in a 50-pack for maintenance teams and repeated use on site
- Suited to use with matching 3/8" UNC nuts and flat/spring washers (not included)
- Useful for repairs, upgrades and new builds across metalwork and machinery
Typical Applications:
General fabrication, bracket and frame assembly, machinery guards and panels, engines and power equipment mounts, agricultural implements, garden machinery decks, trailers, pumps, compressors, and site equipment. Ideal for fastening into tapped holes or through-bolting with a 3/8" UNC nut where full thread engagement is needed. Suitable for repairs, maintenance and new installations.
Also known as:
Hex set screw, fully threaded hex bolt, UNC bolt, UNC machine screw, high tensile bolt, grade 8.8 bolt, zinc plated fastener, 3/8" UNC fastener, threaded fastener, construction bolt.
Alternate Part Numbers:
9030181
Product Specifications
| L&S Part No. | 903 0181 |
|---|---|
| Unit of Sale | Pack of 50 |
| Size | 3/8"UNC x 3" |
| Key Features | - 3/8" UNC coarse thread for secure fastening - 3" fully threaded length for maximum grip - Grade 8.8 high tensile steel for strong tightening - Zinc plated for corrosion resistance - Supplied in a 50-pack for site use |
