Pro Bamboo Kitchen Thumb Screw Plastic Round Shape Head Threaded Knurled Grip Knobs Clamping Screw with Nut Washer M6X20mm

8 Set, 8pcs thumb screws M6x30/M6x20 + 8pcs washers M6x12 +8pcs Nuts M6x1.0; Round head diameter is 16mm, thread is M6x30/M6x20 (D*L); Washer size is M6x12x0.15; Nut size is M6x1.0x5., Round head is made of high quality plastic, good toughness and impact resistance, anti-corrosion and anti-aging, can be used for many years., Screw, washer, nut are all made of high grade iron, zinc plated surface, high hardness, greatly enhancing the ability of anti-corrosion and anti-rust., Freely install or remove without any other tools, use with washer to reduce concentrated stress as well to prevent the fasteners from damaging., Widely used in machinery and equipment, electronic equipment, communications equipment, hardware and lighting, building and Bridges, furniture decoration and other related industries.