Color Zinc Plated Countersunk Head with Square Groove Self Tapping Screw

• Customization: Available
• Material: Carbon Steel
• Type: Countersunk Head
• Model NO.: Self Tapping Screws
• Groove: Square
• Connection: Common Bolt
• Head Style: Counter Sunk Bolt
• Standard: DIN, GB, ANSI, BSW, JIS
• Surface Treatment: Color Zinc Plated
• Head: Countersunk
• Groove Type: Square
• Point: Sharp Tapping Point
• Diameter: Bwg6-14# 2.1-5.2mm
• Length: 1/3"-3 1/2" (9.5-90 mm)
• Package: Carton + Pallet
• Payment Terms: 30% Deposit + 70% Tt
• Delivery: 30 Days
• Transport Package: Carton + Pallet
• Specification: 4.2*72 mm
• Trademark: Spider Screws
• Origin: China
• Production Capacity: 1000/Month

Product Description

Color Zinc Plated Countersunk Head with Square groove Self Tapping Screw From Tianjin

Material	C1022A, carbon steel
Head type	Countersunk head
Groove type	Square
Point	Sharp point/ Tapping point
Thread	Fine thread or Coarse thread
Diameter	BWG6-14# 2.1-5.2mm
Length	1/3"-3 1/2" (9.5-90 mm)
Finished	Phosphate(Black phosphate and Grey phosphate), Zinc plated(White zinc, Yellow zinc, White bule zinc ), Brass plated, Nickel plated, Copper plated.
Packing	Small box/bag, carton and pallet or as per customer's request

Product Advantages

1.The square groove does not slip
2.Stable drilling speed, not easy to break
3.Adopt high-strength rolling arm, small gap, mute, wear-resistant, uniform force
4.Adopt high-speed cold heading machine to form one piece, high strength
5.Self-owned heating treatment producing line,which can promise screws hardness and strength well perform always
Company Profile
Tianjin Spider hardware factory is subsidiary of Tianjin Spider Impex,which produce and supply drywall screws ,chipboard screws and self drilling screws since 2009 .

Our factory covers an area of about 3,500 square meters, there are 150 sets of production equipment, including heading machines,threading machines and so on,divided into production workshop and packing workshop with more than 40 employees. The annual production is about 5,000 tons.All the workers are fully experienced and we have a team to inspect all the process during production.
We have been supplying our products to Europe, America, South and Middle America,  East and South of Asia which more than 20 countries.Rich experience of different market can help customers to stand out  in the competitive market .

Our aim is to be you reliable,honest and helpful cooperater.

Product Packaging