Self Drilling Screws Unslotted Indented Hex Washer Steel Black & Bake Zinc 5/16 X 1-1/4 are high-performance fasteners designed for reliable metal-to-metal fastening without pre-drilling. Featuring a self-drilling point, an indented hex washer head, and a durable Black & Bake Zinc finish, these screws deliver a strong hold in a variety of applications.

Key Features

• Self-drilling point: drills through metal without pre-drilling, saving time on installation.
• Unslotted hex washer head: provides high torque transfer with a clean, flush finish.
• Indented hex washer: distributes load evenly and helps seal the joint.
• Steel construction: provides dependable strength and durability for everyday use.
• Black & Bake Zinc finish: offers corrosion resistance and a durable, attractive appearance indoors or outdoors.
• Size: 5/16 in diameter x 1-1/4 in length.

Durability and Finish

Designed to withstand exposure and harsh conditions, the Black & Bake Zinc coating combines corrosion resistance with a smooth, professional look. The steel body is built to handle repeated fastening without stripping, making these screws a reliable choice for metal fabrication, HVAC, fencing, and equipment enclosures.

Applications

Ideal for metal-to-metal connections in light to medium gauge sheet metal, automotive trim, appliance panels, and other construction projects where a strong, secure hold is required without pre-drilling.

Specifications

• Diameter: 5/16 in
• Length: 1-1/4 in
• Material: Steel
• Finish: Black & Bake Zinc
• Head style: Unslotted Indented Hex Washer
• Drive type: Hex