Overview
The Lawson 10730 is a Grade 9 (A9) high-strength alloy steel plow bolt engineered for industrial fastening applications. With a 1″-8 coarse thread and 3″ length, this dome head fastener delivers 170,000 PSI minimum tensile strength, making it suitable for heavy cutting and earth-moving equipment where durability and reliability are critical. Supplied as a box of 5 units with black finish and light oil coating, the Lawson 10730 offers consistent performance in demanding environments.
Key Features
- Grade 9 (A9) Alloy Steel: 170,000 PSI minimum tensile strength
- Dome Head Design: Protects threads and distributes load effectively
- Coarse Thread (UNC): UNRC-2A threads in accordance with ANSI/ASME B1.1
- Black Finish with Light Oil Coating: Factory protection against corrosion
- Box Quantity: 5 bolts per package for convenient supply management
- Also Known As: Blade bolts and scraper bolts
Technical Specifications
- Thread Size: 1″-8 UNC (coarse)
- Length: 3″
- Head Style: Dome
- Grade / Material: A9 (Grade 9) Alloy Steel
- Tensile Strength: 170,000 PSI minimum
- Finish: Black with light oil
- Thread Fit: UNRC-2A per ANSI/ASME B1.1
- Operating Temperature Range: 50°F to +300°F (46°C to +149°C)
- Quantity Per Box: 5
Typical Applications
For use in fastening the cutting edges of snow plows and heavy earth-moving equipment. The high tensile strength and dome head design make the Lawson 10730 ideal for:
- Snow plow blade attachment
- Scraper blade mounting on heavy equipment
- Industrial machinery fastening where impact resistance is required
- Construction and agricultural equipment assembly
Compatibility & Replacements
Compatible With
- Heavy Hex Nuts (2-H size)
- High-strength washers and fastening systems
- Standard nut and bolt assemblies requiring 1″-8 thread
- Snow plow blade assemblies and earth-moving equipment
Replaces / Drop-In Replacement For
The Lawson 10730 is a standard plow bolt configuration. Verify compatibility with your equipment documentation or consult with your system integrator to confirm drop-in replacement suitability for legacy equipment.
Works With
- Tru-Torq® High-Strength Nuts and Tru-Torq® Hardened Flat Washers with A9 Bolts
- Standard 2-H Heavy Hex Nuts
- Grade 8 and Grade 9 fastening systems






