M5 Screws Kit 184pcs 304 Stainless Steel Hex Bolts by BNUOK

Description

Product Overview

The BNUOK 184‑piece M5 Screws Assortment Kit is engineered to meet the demanding needs of hobbyists, technicians, and professionals who require reliable fastening components. Every element in the set—hex socket head cap screws, matching hex nuts, lock washers, and flat washers—is forged from high‑grade 304 stainless steel, delivering exceptional corrosion resistance, rust protection, and a hardness that stands up to repeated torque cycles. The kit includes six length variations—30 mm, 35 mm, 40 mm, 45 mm, 50 mm, and 60 mm—providing a total of 184 pieces that cover a broad spectrum of fastening scenarios. Each screw features a 5 mm diameter with a 0.8 mm thread pitch, an 8.5 mm head diameter, and a 4.09 mm Allen hex drive, ensuring a secure, slip‑free connection and easy installation with standard hex keys. The precise machining eliminates burrs and inconsistencies, guaranteeing a true‑to‑size fit that reduces the risk of stripping or cross‑threading. This comprehensive kit is packaged in a compact, durable box measuring 6.1 × 4.4 × 0.7 inches and weighing just over a pound, making it convenient for storage, transport, and on‑site use.

Usage

Designed with versatility in mind, the M5 kit excels across a multitude of environments. In the world of 3D printing, the stainless steel screws provide a stable foundation for printer frames, extruder assemblies, and moving parts, ensuring precision and reducing vibration. RC car enthusiasts benefit from the kit’s lightweight yet strong fasteners, which secure motor mounts, suspension components, and chassis brackets without adding unnecessary mass. For machinery repair and industrial maintenance, the corrosion‑resistant properties allow the screws to perform reliably in humid or chemically aggressive settings, such as in HVAC units, agricultural equipment, and laboratory instruments. DIY hobbyists find the assortment ideal for building custom furniture, assembling electronic enclosures, repairing household appliances, and crafting bicycle components. The range of lengths and the inclusion of both lock and flat washers enable users to tailor the fastening solution to specific load requirements, preventing loosening under dynamic stresses while distributing pressure evenly across mating surfaces.

Why Choose Us

Choosing the BNUOK M5 Screws Assortment Kit means selecting a product backed by rigorous quality control and a commitment to customer satisfaction. Each batch undergoes ultrasonic cleaning and precision inspection to verify dimensional accuracy, thread integrity, and surface finish, ensuring that every screw meets the exacting standards required for high‑performance applications. The 304 stainless steel construction not only resists rust but also maintains structural strength after exposure to temperature fluctuations, making it suitable for both indoor and outdoor projects. Our kit’s comprehensive range eliminates the need for multiple purchases, saving time and reducing inventory complexity for workshops and makerspaces. Additionally, BNUOK offers responsive after‑sales support, providing technical assistance, replacement parts, and guidance on proper installation techniques. With a proven track record reflected in a 4.8‑star rating from over 270 verified customers, the kit has earned its place as a top‑ranked product in the Socket Head Screws category on major e‑commerce platforms.

Key Features

• Premium 304 stainless steel construction delivers long‑lasting corrosion resistance and high tensile strength.
• Six length options (30‑60 mm) provide flexibility for diverse projects, from delicate electronics to heavy‑duty machinery.
• Hex socket head design offers superior torque transfer and a compact profile for tight spaces.
• Complete set includes matching nuts, lock washers, and flat washers, eliminating the need for additional purchases.
• Dedicated BNUOK customer support ensures prompt assistance, replacement parts, and expert installation advice.

FAQ

What is the thread pitch of the M5 screws?

The screws have a standard M5 thread pitch of 0.8 mm, which is compatible with most M5‑size components and fasteners.

Are the screws compatible with standard Allen keys?

Yes, the hex socket drive size is 4.09 mm, fitting common 4 mm Allen (hex) keys for easy installation and removal.

Can these screws be used in outdoor or marine environments?

Because they are made from 304 stainless steel, the screws resist rust and corrosion, making them suitable for outdoor, marine, and humid conditions.

Do the lock washers prevent loosening under vibration?

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

What warranty does BNUOK offer for this kit?

BNUOK provides a one‑year limited warranty covering manufacturing defects, and the customer service team is ready to assist with any issues that arise.