321 Pcs M4 Screw Assortment Kit, Assorted Metric Bolts and Nuts Kit, 304 Stainless Steel Hex Socket Head Cap Screws and Washers Set, M4 Nuts and Bolts with Hex Wrench - size: M4x30/35/40/45/50mm-321Pcs

About this item

• Exquisite Material: These m4 nuts and bolts are made of high-quality 304 stainless steel, with high hardness and high torque and superior stability, not easy to break or deform, corrosion-resistant, rust-resistant, sturdy and durable.
• Hex Socket Head Cap Screws Bolts Nuts Washers Set: Hex socket head design, easy to tighten and can withstand greater loads. The threads are clear and firm, smooth and burr-free, easy to insert and not easy to loosen, and have strong fixing ability.
• Equipped with Nuts and Washers: Hex nuts can make installation more precise and tightening effects better; Flat and lock washers can increase the contact area, reduce stress and protect parts and screws, providing strong holding force and maximum clamping force.
• Multi-scenario Application: Suitable for precision instruments, engineering fields, assembled automobiles, product manufacturing, furniture, home furnishings, office equipment, construction, automobiles, bicycles, 3D printing projects, communication equipment, ship assembly and other fields.
• Package Includes: 321 pcs in total, include: m4x30- 16pcs, m4x35 - 16pcs, m4x40 - 16pcs, m4x45 - 16pcs, m4x50 - 16pcs, m4 nuts - 80pcs, m4 flat washers - 80pcs, m4 lock washers - 80pcs, m4 wrench - 1pcs, to meet the needs of different fields.

Overview

• Material: Carbon Steel
• Head Style: Socket
• Item dimensions L x W x H: 4 x 3 x 0.7 inches
• Exterior Finish: Plain
• Thread Size: M4