Description
Overview:
These 5/16" x 1" UNC Zinc Plated 8.8 HT Setscrews are fully threaded hex head fasteners made from high tensile steel (grade 8.8) for reliable assembly in construction, plant, and garden machinery. The 5/16 inch (7.94 mm) diameter and 1 inch (25.4 mm) length suit standard UNC tapped holes and matching nuts, with a coarse 5/16-18 UNC thread for robust engagement. A bright zinc plated finish provides dependable corrosion resistance in indoor workshops and outdoor sites. Supplied in a cost-effective pack of 200, they are suitable for routine maintenance, repairs, and new builds where consistent quality and strength are required. Complies with ANSI B18.2.1-1965. Easy to identify and reorder with MPN 903 0174.
Key Features:
- 5/16" (7.94 mm) diameter x 1" (25.4 mm) length, UNC 18 TPI coarse thread
- Fully threaded hex head setscrews for strong, secure clamping over the full length
- High tensile steel, grade 8.8, for reliable strength in demanding applications
- Zinc plated finish for enhanced corrosion resistance and longer service life
- Suitable for indoor and outdoor use across construction and machinery environments
- Consistent sizing for easy fitting with standard spanners and sockets
- Supplied in a bulk 200-pack for workshop stock and site use
- Complies with ANSI B18.2.1-1965 dimensional standards
- Ideal with UNC nuts or tapped holes in steel, aluminium, and fitted inserts in timber
- MPN 903 0174 for straightforward reordering and identification
Typical Applications:
General fastening of brackets, guards, plates, frames, and fixtures on construction equipment, generators, compressors, mowers, compactors, and workshop jigs. Useful for repairs, rebuilds, and installations where a coarse UNC thread is preferred for durable engagement, including plant maintenance, agricultural and garden machinery servicing, and fabrications using UNC inserts or existing imperial threaded holes.
Also known as:
Hex set bolts, hex cap screws, fully threaded hex bolts, UNC machine bolts, coarse thread hex screws, 5/16-18 bolts, HT bolts, zinc plated hex bolts, imperial hex sets, unified coarse thread fasteners.
Alternate Part Numbers:
9030174
Product Specifications
| L&S Part No. | 903 0174 |
|---|---|
| Unit of Sale | Pack of 200 |
| Size | 5/16"UNC x 1" |
| Key Features | - 5/16" diameter x 1" length, UNC 18 TPI thread - High tensile steel, grade 8.8, for demanding applications - Zinc plated for corrosion resistance in various environments - Supplied in a bulk 200-pack for workshop stock - Complies with ANSI B18.2.1-1965 standards |
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