720PCS M3 Hex Socket Screw Nut Washer Assortment Kit 12.9 Alloy Steel Metric For Sale

• Our M3 screws kit includes a full range of standard specifications:M3×6/8/10/12/16/20mm hex socket cap screws, paired with matching M3 bolts, nuts, and flat washers. Strictly manufactured according to metric standards, with dimensional accuracy controlled within 0.01mm, ensuring smooth installation and reliable connection for various professional and daily uses.
• All M3 screws are forged from high-strength 12.9 grade alloy steel, featuring outstanding hardness, tensile strength, and load-bearing performance. They effectively resist abrasion, deformation, and external impact, making this M3 screws assortment kit stable and durable even in long-term use and complex working environments.
• 【Wide Application】This all-in-one M3 screws assortment kit is a must-have for DIY enthusiasts, makers and technicians. Widely applied in 3D printer assembly and maintenance, electronic equipment repair, RC model building, furniture replacement, handicraft DIY and CNC machinery installation, delivering stable fastening for daily and handmade projects.
• 【Black Rust-Proof】 The surface adopts blackening treatment can isolate air and water vapor, which can effectively prevent rust; Reduce the friction and wear of threads and surfaces during DIY and 3D printer assembly. Excellent anti-rust and anti-corrosion performance greatly extends service life, suitable for indoor use and light outdoor applications.
• 【Classified Storage Box】 This all-in-one M3 screws kits comes with a sturdy, transparent, compartmentalized storage box, with clear size labels on each slot. You can quickly identify and take the M3 bolts or screws you need, keeping your workbench neat and improving efficiency for 3D printing, DIY projects, and daily repairs.

M3 Screws Assortment Kit ,M3×6/8/10/12/16/20mm M3 Screws Kits ,12.9 Alloy Steel M3 Nuts and Bolts,M3 Hex Socket Head Bolts Nuts Washers Set Suitable for 3D Printer,DIY

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