Product Name: Factory Price Umbrella Head Fastener, Self-Tapping Screw Customized: Customized Certification: ISO, RoHS Surface Finishing: Nickel Plated Shape of Head: Hexagon Material: Carbon Steel Trademark: Chunri Transport Package: Carton Specification: 8*16~8*63 Origin: China HS Code: 7318151001 Product Description Product name screwSize as below, ,customized as ypur requested.Surface treatment Zinc- Plated , Nickel-plated,Tin-plated ,Passivated , Sandblast and Anodize,Chromate, Polish , Black Oxide , Dacromet,Hot Deep Galvanize(H.D. G. )etc.Grade Steel carbon steelStandard ISO,BS,ANSI, GB,DIN,JIS,NonstandardAdvantage OEM / ODM / customized service provided;We are factory, we could make the size per your requirment.Quality control ISO standard.Certificate : SGS, ROHSPayment term TT 30% deposit in advance, 70% Balance Before shipItem#SpecsWeightPrice Range(US$)SHF00018*16(5/8)0.82$0.01-$0.009SHF00028*19(3/4)0.95SHF00038*25(1")1.2SHF00048*28(11/8)1.34SHF00058*30(13/16)1.42SHF00068*32(11/4)1.51SHF00078*35(13/8)1.68SHF00088*38(11/2)1.81SHF00098*40(15/8)1.9SHF00108*45(13/4)2.13SHF00118*50(2")2.53SHF00128*63(21/2)3.38