M5 Screws Kit by BNUOK – 280 pcs Hex Socket Head Screws with Nuts

Description

Product Overview

The BNUOK M5 Screws Assortment Kit is engineered for professionals and hobbyists who demand precision, durability, and a comprehensive range of fasteners in a single package. The kit contains 280 pieces, including hex socket head cap screws, hex nuts, lock washers, and flat washers, all sized from 8 mm to 30 mm. Each screw is forged from 12.9 grade alloy steel, a material known for its high tensile strength, superior hardness, and excellent resistance to corrosion and wear. The hex socket drive provides a clean, torque‑efficient interface that minimizes cam‑out and ensures a stable, repeatable fastening experience across a wide variety of applications.

Usage

This versatile kit is suited for a broad spectrum of environments. In the world of 3D printing, the M5 screws secure extruder assemblies, frame components, and motor mounts, delivering the rigidity required for high‑quality prints. For machinery repair, the robust alloy steel bolts withstand heavy loads and frequent disassembly, making them ideal for industrial equipment, CNC machines, and robotic arms. DIY enthusiasts will appreciate the kit for electronics projects, cabinet construction, bicycle maintenance, and household appliance repairs, where the precise M5 thread and reliable material ensure long‑lasting connections.

Because the kit includes matching nuts and both lock and flat washers, users can quickly assemble complete fastening solutions without searching for additional parts. The assortment’s compact packaging and clearly labeled components streamline inventory management for workshops, makerspaces, and service centers.

Why Choose Us

Choosing the BNUOK M5 Screws Kit means selecting a product backed by rigorous quality control and a commitment to customer satisfaction. Each screw undergoes a heat‑treatment process that meets ISO 898‑1 standards for 12.9 grade fasteners, guaranteeing consistent mechanical performance. The kit’s components are inspected for thread integrity, burr‑free surfaces, and accurate dimensions, reducing the risk of assembly errors and re‑work.

Our after‑sales support includes a responsive technical assistance team ready to answer fit‑related questions, provide installation guidance, and address any concerns about material performance. With a proven track record reflected in a 4.6‑star rating from over 390 verified buyers, BNUOK has earned a reputation for reliability and value in the fastener market.

Key Features

• High‑strength 12.9 grade alloy steel ensures long‑lasting durability under heavy loads.
• Complete 280‑piece assortment covers six screw lengths, matching nuts, lock washers and flat washers for all fastening needs.
• Hex socket drive design delivers superior torque transfer and reduces cam‑out during installation.
• Corrosion‑resistant finish protects fasteners in humid or outdoor environments.
• Responsive customer support and warranty options provide peace of mind after purchase.

FAQ

What thread pitch do the M5 screws have?

All screws in this kit use the standard M5 × 0.8 mm thread pitch, which is compatible with most M5‑size components and tools.

Can these screws be used for high‑temperature applications?

Yes. The 12.9 alloy steel maintains its mechanical properties up to approximately 300 °C, making it suitable for many high‑temperature environments.

Do the lock washers prevent loosening under vibration?

Lock washers are designed to maintain tension and resist vibration‑induced loosening, providing a more secure joint in dynamic applications.

Is the kit suitable for electronics assembly?

Absolutely. The precise M5 dimensions and clean thread finish make the screws ideal for securing PCBs, enclosures, and other electronic components.

What warranty does BNUOK offer?

BNUOK provides a one‑year limited warranty covering material defects and workmanship, backed by a dedicated support team to assist with any issues.