Description:

Size & Package - You will receive 15 pcs wing screw with a thread size of 5/16-18 x 1/2 Inch (Dia. x L), total height of 29 mm / 1.14 Inch and the handle width of 29 mm / 1.14 Inch, enough to meet your daily use.
Material - The machine screw fastener is made of high-hardness 304 stainless steel with polished surface, which has good anti-rust and anti-oxidation properties. It is not easy to break and crack after long-term use, making it suitable for both indoor and outdoor use.
Feature - The butterfly design of the thumb hand screws will increase the lateral bearing surface to improve the manual torque efficiency, making it easier to tighten and ensuring the stability of the final tightening and adjustment control. It is a good accessory for equipment maintenance.
Easy to Use - The butterfly wing screws is designed for hand tightening. A wing on each side of the bolt allows you to easily adjust and tighten manually without any tools. The thread is tight and deep, the force is evenly applied, and it is not easy to deform and slip during rolling and installation.
Wide Application - The wing bolts are suitable for quick positioning of home and office equipment, communication equipment, the automotive industry, ship assembly, mechanical equipment, fixtures, musical instruments, furniture decoration, and other applications that need frequent disassembly or adjustment.