Bulk M42-4.50 Socket Cap Screws Grade 12.9 - Thermal Black Oxide

Ultimate Strength Fasteners for Heavy-Duty Industrial Projects

Upgrade your industrial applications with our top-of-the-line M42-4.50 Socket Cap Screws, crafted from high-strength Grade 12.9 alloy steel and finished with a thermal black oxide coating. Now available in bulk quantities at competitive prices, these screws deliver exceptional tensile strength and durability, making them ideal for the most demanding environments like heavy machinery assembly, construction, and large-scale engineering projects.

We offer both full thread and partial thread options to cater to your specific requirements. Note: PT = Partial Thread.

Key Benefits

• Maximum Strength: Grade 12.9 alloy steel provides unparalleled tensile strength for heavy-duty applications.
• Thermal Black Oxide Finish: Enhances corrosion resistance and offers a sleek, professional look.
• Thread Options: Choose between full thread for maximum grip or partial thread (PT) for optimal alignment and shear strength.
• Precision Fit: Designed for use with M36 hex keys for secure and efficient assembly. Hex keys available here if needed.

Technical Specifications

• Diameter: M42 / 42mm
• Thread Pitch: 4.50 - Coarse Thread
• Thread Type: Available in Full Thread and Partial Thread (PT) options
• Drive Type: Requires M36 Hex Key
• Material: Grade 12.9 Alloy Steel
• Finish: Thermal Black Oxide
• Standards Compliance: Meets ISO 4762 / DIN 912 specifications
• Note: PT = Partial Thread

Complementary Products

• Matching Nuts: M42 Hex Nuts - Available here
• Matching Washers: M42 Flat Washers - Available here

Order in Bulk and Maximize Efficiency

Streamline your supply chain and reduce costs by ordering our M42-4.50 Grade 12.9 socket cap screws in bulk. With fast shipping and outstanding customer service, Monster Bolts is your trusted partner for high-quality industrial fasteners.

✔️ Preferred by professionals in heavy industry and engineering

✔️ Rapid delivery and dedicated customer support