304 Stainless Steel: This socket head screws are made of stainless steel 304 with black zinc plating, passing 200h+ salt spray test, good corrosion and rust resistance, high strength, excellent mechanical properties, no deformation, offering longer service life. Well Constructed: 1/4 20 bolt are well finished with nice & clean threads，nice flat head, no spurs or stripping, true to size, add a professional look when completed. Easy to Use: BNUOK 1/4-20 stainless bolt with hex socket head that provides better torque transmission and more stable performance, flat countersunk head can be better embedded in the installation surface to ensure that the surface smooth. Widely Used: The 1/4-20 screw are fit for assembling and repair of tables, beds, cabinets, desks, bike, wardrobes, cribs, sofa and widely used in home, garage, office, communication equipment,ship assembly, machinery industry, wood working, DIY projects. Size & Quantity: You will get 50pcs 1/4-20 x 1/2 inch bolts, black, a hex spanner. We promise a 24-month warranty, if any question, please contact us 1/4-20 bolt, socket head screws, 304 Stainless Steel 18-8 flat head bolt

Material: 304 stainless steel
Head Style: Socket Head


This 1/4-20 screw is widely used in home, garage, office, communication equipment,ship assembly, machinery industry, wood working, DIY projects.