Description
Hex Head Cap Screws Grade 8 Steel Plain Fine Thread 1 3/8-12 x 11" (PT) — high-strength fasteners designed for heavy-duty applications.
Built from Grade 8 steel, these hex head cap screws deliver exceptional tensile strength and reliability in demanding environments. The plain finish keeps options open for coatings, paints, or in-service finishing, while maintaining straightforward compatibility with standard hardware components.
Key Features
- Grade 8 steel for high-tensile strength and durable performance under heavy loads.
- Hex head design for easy tightening with standard wrenches and robust torque transfer.
- Plain finish suitable for applications where a non-coated fastener is required or where a finish will be applied later.
- Fine thread (12 TPI) provides strong engagement and smooth operation in thinner materials.
- Dimensions: 1 3/8-12 x 11" (PT) — diameter 1 3/8", 12 threads per inch, 11" long.
Specifications
- Material: Grade 8 steel
- Finish: Plain (uncoated)
- Thread type: Fine thread, 12 TPI
- Head type: Hex head
- Overall length: 11 inches
- Nominal diameter: 1 3/8 inches
Applications
- Heavy machinery assembly
- Automotive and industrial equipment mounting
- Structural connections and high-load fastening
- Maintenance and repair projects requiring robust, long-length fasteners
Tips for best results: use the correct nut size and a compatible thread lubricant to ensure smooth installation and prevent galling. For critical joints, follow your engineering specifications for torque and preload values, and inspect fasteners for damage before use.
Secure a dependable fastening solution with these Grade 8 steel hex head cap screws. They pair well with standard nuts, washers, and compatible components to deliver reliable performance in demanding service conditions.
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800-222-0324