M3 Hex Socket Head Cap Screws Bemaka 420PCS Kit 12.9 Alloy Steel

Description

Product Overview

The Bemaka 420PCS M3 Hex Socket Head Cap Screw kit is a meticulously curated collection designed for professionals and hobbyists who demand precision, durability, and convenience. Every screw in this assortment is forged from 12.9 grade alloy steel, a material known for its exceptional tensile strength and resistance to corrosion, ensuring reliable performance even in demanding environments. The kit includes a full range of M3 screws with lengths from 5mm up to 50mm, each paired with matching nuts, lock washers, and flat washers. All components are organized in a clearly labeled, reusable plastic storage box that simplifies inventory management and speeds up the selection process on the shop floor.

Usage

These M3 hex socket head cap screws are ideal for a wide variety of applications. In electronic assemblies, they provide a secure fastening solution for circuit boards, enclosures, and connectors, where vibration resistance is critical. Mechanical engineers rely on them for precision equipment, robotics, and prototype builds, benefiting from the consistent torque and easy hex drive access. Furniture manufacturers use the kit to assemble flat-pack furniture, ensuring a clean finish without the need for additional tools. The corrosion‑resistant alloy makes the screws suitable for outdoor projects, automotive repairs, and any humid or marine environment where standard steel fasteners would quickly degrade.

Why Choose Us

Choosing Bemaka means selecting a brand that prioritizes quality control and customer satisfaction. Each batch of screws undergoes rigorous testing for dimensional accuracy, thread integrity, and material hardness, guaranteeing that every piece meets industry standards. The comprehensive assortment eliminates the need to purchase multiple single‑size packs, reducing overall cost and storage space. Our packaging includes a durable, color‑coded system that helps users quickly locate the exact size and type required, minimizing downtime during assembly. Additionally, Bemaka offers responsive after‑sales support, providing technical assistance and replacement options should any component fall short of expectations.

Key Features

• High‑strength 12.9 alloy steel construction for long‑lasting durability
• Complete metric range with lengths from 5mm to 50mm for versatile applications
• Includes matching nuts, lock washers and flat washers to ensure a secure, vibration‑free joint
• Organized in a labeled, reusable plastic box for quick identification and easy storage
• Responsive customer support and warranty options for peace of mind

FAQ

What sizes are included in the M3 kit?

The kit contains M3 screws ranging from 5mm, 6mm, 8mm, 10mm, 12mm, 16mm, 20mm, 25mm, 30mm, 35mm, 40mm, 45mm, to 50mm, each paired with the appropriate nuts and washers.

Can these screws be used in outdoor or marine environments?

Yes. The 12.9 grade alloy steel provides excellent corrosion resistance, making the screws suitable for humid, outdoor, and marine applications when proper sealing is applied.

Do the lock washers prevent loosening under vibration?

Absolutely. The included lock washers are designed to maintain tension and resist vibration‑induced loosening, ensuring a reliable connection over the product’s lifespan.

Is a hex wrench included for installation?

The kit comes with a standard hex wrench that fits the M3 socket head design, allowing quick and accurate installation without the need for additional tools.

What warranty does Bemaka offer for this kit?

Bemaka provides a one‑year limited warranty covering material defects and manufacturing errors, backed by a dedicated support team ready to assist with any concerns.