Haiyan Excellent hardware Co.,Ltd is a professional fasteners manufacturer and supplier. Our factory always adhere to the business philosophy of taking honesty as the foundation, mutual benefit as the premise, and service as the leading factor, and looking forward to wider exchanges and cooperation with customers at home and abroad.

Hex Washer Head Self Drilling Screw manufacturer and suppliers from Haiyan Excellent hardware Co.,Ltd are used for sheet metal to sheet metal fastening. These screws come with features which help them in tackling the constraints of metal to metal fastening. The screws are heat treated to increase their strength and holding abilities exponentially. Its toughness and holding force are high, and it will not be loose after a long time after combination. 

Hex Washer Head Self Drilling Screw Product Parameters:

Material: Carbon Steel/ Stainless Steel

Head type ：hex Head

Norm : DIN7504K, ASME B18.6.4

Grade : C1022A, Case Harden

Surface :  Phosphated, Zinc Plated, Dacromet, Ruspert, Hop Galvanized, nickel plated, Zinc-nickel plated

DIA : 3.5mm-6.3 mm  

LENGTH :9.5mm-300mm

Package :Bulk, Small box, Plastic box, according to clients request

Lead Time: 30-45 days