Zuorery 710-Piece M3 Black Zinc-Plated Hex Socket Screw Set, M3 x 6/8/10/12/16/20/25/30 mm, Alloy Steel Grade 10.9, Nuts and Washers

Description

• 710-piece M3 screw set with 8 lengths: M3 x 6, 8, 10, 12, 16, 20, 25, and 30 mm; includes nuts, washers, and 1 hex key.
• Precision-engineered to metric standards with a 0.01 mm tolerance for compatibility with machines, 3D printers, and DIY projects.
• Grade 10.9 high-strength alloy steel with a galvanized black finish for corrosion protection and durability in indoor and outdoor applications.
• Labeled, reusable plastic storage box keeps each size organized; the fasteners are also coated with a small amount of rust-preventive oil.
• Includes a hex key for installation and removal; suitable for 3D printing, RC hobbies, furniture, auto repair, and bicycle mounts.

Zuorery M3 hex socket screws in eight lengths6, 8, 10, 12, 16, 20, 25, and 30 mmare made from grade 10.9 alloy steel and come with nuts, washers, and a matching hex key. The metric set is designed for projects requiring multiple fastening solutions. Each screw is manufactured to metric standards with a 0.01 mm tolerance. Laser-cut threads provide smooth engagement, while the matching nuts fit securely without wobbling, helping save time and reduce stripped threads. The galvanized black finish provides corrosion protection, and the balance of hardness and toughness helps resist brittleness under high loads. The labeled, reusable storage box provides organized, portable storage for professionals, technicians, hobbyists, and DIY users.

Shipping and Returns

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