China Screw Manufacturers Color Painted Hex Head Self Drilling Roofing Screws

• Customization: Available
• Material: Carbon Steel
• Type: Hexagon Head
• Model NO.: Hex head self drilling screws
• Groove: Hexagon
• Connection: Common Bolt
• Head Style: Round
• Standard: DIN, GB
• Grade: 4.8
• Length: 10mm-254mm
• Dia Meter: M3.0-M6.0
• Finish: Black/Grey Phosphated.Yellow/Blue Zinc Plated
• MOQ: 5 Ton
• Transport Package: Cartons, Box, Allet
• Specification: 19mm-110mm
• Trademark: BOYA
• Origin: Tianjin
• HS Code: 7318140090
• Production Capacity: 2000 Ton Per Year
• Package Size: 37.00cm * 26.00cm * 17.50cm
• Package Gross Weight: 25.500kg

Product Description

Specifications:

Name:	Self drilling screw
Diameter :	3.5 3.9 4.2 4.8 5.5 6.3
Length:	12-250mm; 1/2"-10"
Material:	carbon steel , stainless steel 304,/316,SS410,C1022
Head type:	Hex flange head,pan head,CSK head,truss head
Standard:	DIN7504K,DIN7504N,DIN7504P ANSI/ASME
Surface:	zinc /blue/yellow /Dacromet/Ruspet
Grade:	Heat Treated/A2/A4
Packaging:	bulk in cartons (25kg Max.)+ export Pallet or according to customer's requirement;
ISO Certificate:	ISO9001-2000
Trade term:	Ex works, FOB/CIF/CFR/CNF/EXW/DDU/DDP
Payment term:	T/T, L/C , Western Union  ,MoneyGram ,paypal
Market:	South&north Amrica/Europe/East&South east Asia/ Australia ...
Notice:	Please advise the Size, quantity, Material or Grade, surface, If it is special and Non-standard products, please supply the Drawing or Photos;

Product Photo:

Package & Shipping:
Package details:
1) Sample order, 20/25kg per carton with our logo or neutral package;
2) Large orders, we can custom packaging;
3) Normal Packing: 1000/500/250pcs per small box. then into cartons and pallet;
4) As customers' require.


Factory:


FAQ:
Q: You are a manufacturing company or trading company? 
A: We are specialized in manufacturing fasteners and have exporting experience for more than 15 years.

Q: How long is your delivery time?
A: Generally it is 5-10 days if the goods are in stock. or it is 20-25 days if confirmed the sales contract

Q: Do you provide samples ? is it free or extra ?
A: Yes, the sample will be provided for free if you need, but the freight will be covered by our customer. If we have cooperate, the freight will be covered by our company.

Q: What is your terms of payment ?
A: Payment<=1000USD, 100% in advance;
Payment>=1000USD, 30% T/T in advance ,balance before shipment.

Q: What is the advantage about your company?
A: Our company has professional team and professional production line.


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