- Furniture screw kit are made of carbon steel and with yellow zinc plated on the surface, are easy to use and durable. - Inserts nuts constructed with standard hex socket head, smooth and flat, features flanged thread texture. - Widely used in furniture hardwood/ solid wood, you can use them on head board and foot board of crib/bed, etc. 1.1/4-20 × 13mm nut inserts, bolt, furniture screw kit. Crib screws, bed frame bolts and nuts kit. 2.Material: carbon steel, black plating; Colour: black. 3.Size : nut inserts: 1/4×13mm; furniture barrel bolts: 1/4×(1-1/4''~2-1/4'') . 4.Contains: 35 sets; 35 pieces screws, and 35 pieces bolts. 5.Use: widely used in baby bed, table, chair, crib, cot, or workbench, boards, cabinets, etc.