M4 x 16mm Wing Bolts, 304 Stainless Steel Butterfly Nuts Bolt, Thumb Hand Screws Fasteners for DIY Mechanic, 10 Pcs

• Stainless Steel Material: These wing bolts are made of 304 stainless steel, which is rust-resistant and suitable for both indoor and outdoor use.
• Easy to Use: The wing bolts can be installed without additional fastening tools; simply tighten them by hand. Installation is simple and convenient. Ideal for applications requiring quick and frequent assembly and disassembly.
• Wide Application: These wing bolts are suitable for automotive, machinery maintenance, and furniture installation.
• Design: Deep and evenly spaced threads prevent slipping during use. The surface is burr-free, ensuring smooth installation without jamming.
• Size: Bolt diameters are available in 4mm, 6mm, and 8mm. Multiple thread lengths are offered for each size.

These wing bolts are made of 304 stainless steel, rust-resistant and suitable for indoor and outdoor use. They are hand-tightened without tools, easy to install and remove quickly and frequently. Featuring deep, uniform threads and a burr-free surface, they ensure stable, smooth operation. Available in 4mm, 6mm and 8mm diameters with multiple lengths, they are widely used in automotive, machinery maintenance and furniture assembly.