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• DIN7504K 304 Stainless Steel Hex Head Flange Self-Tapping Drill Tail Screws with Collar M4.2 M4.8 to M6.3 Hexagon Drilling ScrewProduct Name: Hex Head Flange Self-tapping Drill Tail Screws with CollarStandard: DIN7504KMaterial: 304 stainless steelSize: d(thread diameter) xL(thread length)Thread Diameter:ST4.2(4.2mm) / ST4.8(4.8mm) / ST5.5(5.5mm) / ST6.3(6.3mm)Thread Pitch:1.4mm(ST4.2) / 1.6mm(ST4.2) / 1.8mm(ST5.5) / 1.8mm(ST6.3)Packaging: plastic bag or cartonPackage Includes: in step with your choose!FAQ:1.How long will my equipment ship out?We will send out as quickly as possible, Usually all the kit might be ship out within 48 hours.2.What should I do if I don't get hold of my item? Or the product has some problem?Please touch us first, we are able to do our greatest to solver it, we would like to supply complete refund or resend it for you. We are sincere seller, so don't worry.3.Wholesalers and merchants are welcomed.For wholesale, simply please touch to us, we will provide discount. If you are a retailer and want make your personal business, we could ship the goods in your clients instantly and won't depart information about us if you'd like to.4.How to do when I measure the scale is smaller than ordered?Usually the screw could be appearance smaller, If you utilize the original rule to measure the screw, perhaps it's going to have error, it will likely be appearance smaller. The right method to measure the screw is via vernier caliper.5. What must I do once I find that the color of the product isn't always as vibrant as the photo after receiving the goods?Due to the difficulty of light and capturing angle, there'll be a certain coloration deviation. It's unavoidable.6.The chrome steel fastener can be attracted via a magnet.Most humans assume the stainless-steel can't be attracted by a magnet. But the chrome steel has many systems, some can't be attracted through magnet, but some can. And the stainless steel may have just a little magnetic after it made to screw or different thing. If want the stainless steel can't be attracted by means of a magnet, Demagnetization is required. The right strategy to discern it is stainless steel or no longer is utilizing spectroscopic devices or potions.Please trust us, we solely promote the high-quality stainless steel fastener.

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