Pro Bamboo Kitchen 10pcs Wing Nuts 1/4-20" and Hexagon Socket Screws 1/4-20x1" Replacement Bat Pins for Standard Pottery Wheel Heads Stainless Steel Potters Bats Pin

Specification: Type: Hexagon Screw Bolt Diameter: 1/4" Length: 1" Thread: 20 Material: Carbon Steel Surface treatment: Galvanized Package includes: 10 x Hexagon Screw Bolt + 10 x Wing Nuts Fine workmanship, smooth surface without burr, complete and deep thread head, uniform stress, not easy to slip, firm and durable. The butterfly nut is specially designed to be tightened by bare hand, instead of using a screw driver, butterfly head, thus increasing the lateral support surface and making the hand torsion more effective. It is mainly used for household and office equipment, communication equipment, automobile industry, ship assembly, and other machinery industry equipment which need frequent disassemble and maintenance.