NZNSML 20 Pcs Nuts and Bolts Set M10x40 mm Hex Socket Button Head Machine Screws Round Head Pan Bolts Carbon Allen Screw with Nuts and Washers Full Thread for Furniture Installation

• Package Contents: You will receive 20 sets of NZNSML round head hex socket nuts and bolts combinations. This includes 20pcs M10x40 mm round head hex socket bolts (thread diameter 10mm, length 40mm), paired with 20pcs nuts, 20pcs spring washers, and 20pcs flat washers. Bolts and nuts set eliminates the need for separate purchases, significantly improves assembly efficiency, and is particularly suitable for batch assembly and maintenance of small and medium-sized equipment.
• Hex Socket Design: NZNSML m10 nuts and bolts feature a standard round head combined with a hex socket drive design. This not only provides an elegant installed appearance but also ensures powerful torque transmission, effectively preventing screwdriver slippage and protecting the bolt head, making the fastening process more efficient and reliable.
• High-Quality Material: NZNSML black round head hex socket button head bolts are made from high-quality carbon steel. After quenching and tempering heat treatment, they achieve a high-performance mechanical grade of 10.9, complying with the ISO 7380 standard. The surface undergoes black phosphating treatment, forming a dense anti-corrosion layer that offers excellent wear and rust resistance, ensuring structural stability under dynamic loads and in harsh environments.
• Double Locking Mechanism: Each NZNSML black hex socket head cap screws set is paired with high-strength nuts and spring washers. Through the dual mechanism of mechanical locking and elastic preload, it effectively suppresses loosening caused by vibration or load changes, making it particularly suitable for high-dynamic scenarios such as equipment bases and moving parts.
• Versatile Applications: NZNSML round head hex socket nut and bolt sets are widely suitable for various industrial and civil scenarios. These include industrial fields such as automated equipment frames, motor installations, and steel structure connections, as well as daily assembly needs like outdoor facilities, hardware, and bathroom brackets. Bolts and nuts set are an ideal universal fastening solution for connecting and reinforcing various metal components.

Specifically designed for DIY enthusiasts and repair technicians seeking efficiency and precision, the NZNSML round-head hex socket screw set centres on ‘comprehensive specification coverage, fully matched components, and durable materials’ to provide a one-stop solution for diverse fastening needs ranging from intricate models to heavy-duty furniture. Diverse Specifications: M2 Series: M2x4mm, M2x6mm, M2x8mm, M2x10mm, M2x12mm, M2x16mm, M2x20mm, M2x25mm M3 Series: M3x4mm, M3x6mm, M3x8mm, M3x10mm, M3x12mm, M3x14mm, M3x16mm, M3x18mm, M3x20mm, M3x25mm, M3x30mm, M3x35mm, M3x40mm M4 Series: M4x4mm, M4x6mm, M4x8mm, M4x10mm, M4x12mm, M4x16mm, M4x20mm, M4x25mm, M4x30mm, M4x35mm, M4x40mm M5 Series: M5x6mm, M5x8mm, M5x10mm, M5x12mm, M5x16mm, M5x20mm, M5x25mm, M5x30mm, M5x40mm M6 Series: M6x8mm, M6x10mm, M6x12mm, M6x16mm, M6x20mm, M6x25mm, M6x30mm, M6x40mm M8 Series: M8x16mm, M8x20mm, M8x25mm, M8x30mm, M8x40mm M10 Series: M10x25mm, M10x40mm Suitable for multiple scenarios: Home repairs: Securing loose chair legs, reinforcing cabinet hinges, installing curtain rails DIY projects: Reinforcing model structures, creating bespoke metal sculptures, building storage systems Everyday upgrades: Adding bicycle accessories, customising balcony plant stands, organising tool wall systems