IMSCREWS Black 304 Stainless Steel Socket Head Cap Screws (Heavy Duty)

Product Technical Specifications
Material: High-Quality 304 Stainless Steel
Finish: Natural Black (Non-painted)
Drive Type: Allen Hex Socket
Head Style: Cylinder Cap Head
Standard: Metric DIN912

Common Applications & Installation
Our heavy-duty metric socket head cap screws are engineered for substantial projects requiring reliable structural integrity and a clean, stealthy appearance. The deep, precision-forged hex socket allows for high torque application without cam-out. These robust fasteners are an excellent choice for securing machinery, mounting heavy outdoor brackets, and assembling structural components.

Frequently Asked Questions

Are these bolts painted black, and will they scratch under heavy torque?
No, the black color is not a painted coating. It is a natural black finish integrated into the 304 stainless steel. It resists chipping and fading even when driven with heavy-duty tools.

Can these be used outdoors for structural brackets without rusting?
Because they are constructed from solid 304 stainless steel rather than standard alloy steel, they provide excellent corrosion and rust resistance, making them highly suitable for exterior environments and exposed applications.

Do these come with an Allen wrench for installation?
This package contains only the hardware. You will need to provide your own standard metric Allen hex key or driver bit corresponding to your selected screw size.

Key Features

• ¡¾NATURAL BLACK FINISH¡¿ Unlike standard painted fasteners, these metric screws feature a natural black finish integrated directly into the metal. The color resists peeling, chipping, and scratching even under heavy torque applications.
• ¡¾304 STAINLESS STEEL¡¿ Manufactured from high-quality 304 stainless steel, offering outstanding resistance to rust and corrosion. A highly reliable structural alternative to easily rusted 12.9 alloy steel in exposed environments.
• ¡¾STANDARD DIN912 COMPLIANCE¡¿ Fully compliant with metric DIN912 specifications. Features a deep, well-defined hex socket cap and thick, uniform threads designed to distribute load smoothly and prevent cross-threading.
• ¡¾HEAVY DUTY APPLICATIONS¡¿ Designed for substantial structural projects. Highly suitable for securing heavy equipment base plates, assembling outdoor brackets, and thick wood joining where durability and aesthetics are required.
• ¡¾PACKAGE CONTENT & REQUIREMENT¡¿ This set includes 10 pieces of M8-1.25 x 55mm metric machine screws. Please note that a compatible hex key or driver bit is required for installation and is NOT included in this package.

Specifications

• ASIN: B0H944RX6D
• Internal SKU: IMS1762
• Size: M8-1.25 x 55mm
• Material: Stainless Steel
• Finish: Natural Black
• Head Style: Socket
• Package Quantity: 5