Window Handle Screws

Description:

Size : M3.9 / #7

Length : 9.5mm~75mm

Material : Carbon Steel / Stainless Steel

Point type : Drill point and sharp point

Attachment : W/WO Wing

Surface Treatment : Zinc plated, Yellow Zinc plated, Black zinc, Zinc Nickel, Mechnical Galvanized, Ruspert，Slat Spray Test according to customer requirement.

Standard : DIN, IFI, JIS, according to customer's drawing

Package : Bulk packing, Box packing, Bag packing, Blister

Flat head window screw characteristic : The advantage of flat head can drill whole head into object, the head of screw doesn't protrude on object. It is used normally in contacting fastener face of object and let object surface smooth. Flat head window screw used in window construction, considering in appreance, it often uses flat head type to make head of screw will not protrude on object.