Black Plastic Knob Thumb Screw with Round Knurling Head

• Material: Carbon Steel
• Type: Round Head
• Groove: Hexagon
• Connection: Common Bolt
• Head Style: Round
• Standard: DIN, GB, ANSI, BSW, JIS, GOST
• Model NO.: 005
• Grade: 8.8
• Surface: Galvanized
• Original: Jiangsu,China
• Use: Garage Door
• Quality: Good
• Transport Package: Cartons and Pallets
• Specification: CE Standard
• Trademark: CHI
• Origin: Jiangsu, China
• HS Code: 7308
• Production Capacity: 200000/Month

Product Description

• Plum 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.