Product Name: Screw Pan/Truss Head Self Drilling Screw Roofing Screw Bolts Model NO.: 4.2X20 Customized: Non-Customized Certification: ISO, RoHS Surface Finishing: Yellow Zinc Shape of Head: Truss Material: Carbon Steel Plating: Color Zinc/Yellow Zinc Type: Truss Head/Pan Washer Head Head Style: Truss Connection: Self Drilling Grade: 8.8 Stock: Yes Size: 4.2*13/16/19/25/32/38/50 Transport Package: Box in Carton, PP Bag, Bulk in Carton/ as Required Specification: DIN, ANSI, GB Origin: China HS Code: 7318140000 Product Description Beyond screw inception in 2004, has a complete range of processing equipment and production lines,Beyond has 12 years of professional production experience and technology to provide the best service and qualityQuality products, the company has been the Beyond ideas and spirit.Professional manufacturing: self drilling screw, self tapping screw, special screw, machine screw, all kinds of hardware manufacturing,Whether you are an industrial manufacturer, OEM or wholesale distributor,professional contractor supplier, orretail operation, we understand your needs and have the experience and capability of consistently meeting them.Welcome to order or visit with samples or drawingSelf drilling screwsStandard: IFI,DIN,JIS,GB,Special DesignSize Range: M1.4-M8(0#-14# &M8)Length Range: 6mm-300mmMaterial: Carbon steel and stainless steel A2 A4 & SS410 FLATPANHWHHWFBUGLEWAFERPAN WASHEROVALTRUSSROUNDDRIVE PHILLIPSSQUAREPOZISQUARE+PHILTORXSLOTTEDPHIL+SLOTTEDOTHERPOINT TYPE TEK#1TEK#2TEK#3TEK#4TEK#5TYPE 17THREAD TYPE TYPE-ABSB TYPECSB TYPEHI-LOWMACHINEDOUBLEOTHER10#-12 THD6#-20 THD8#-32 THD12#-11 THD7#-19 THD10#-24 THD14#-10 THD8#-18 THD12#-24 THD10#-16 THD14#-20 THDPLATINGPLAINZINC PLATED COLOR ZINC PLATEDBLUE ZINC PLATEDBLACK PHOSPHATE GRAY PHOSPHATEBLACK ZINC PLATED WHITE ZINC PLATEDBLACK OXIDEDECROTIZEORUSPERTXYLANNICKELBRonZESPRAY PAINTOTHERSERRATION UNDER HEADW / O WASHER W / BonDED WASHER W / PVC WASHERW / STEEL EPDM W/RUBBER WASHERW / HEAD MARKW / WINGOTHERSamples avaliable for above screw,also some have stock.We also can provided some painted screw on the head or whole screw.For truss screw,we have popular size in stock,welcome to contact us for samples or price.We have some wing tek screw in stock with different material,carbon steel or stainless steel.Welcome to mail or call us for details.For the bronze screw,we have M6 and M8 in stock.Welcome to call us for more.High quality male and female screw come from Beyond company.Please dont hesitate to contact us if you need any standard or non-standard screw or bolts here.