Black Oxided Self-Tapping Hex Washer Head Screw Metal Roofing Screws

• Customization: Available
• Material: Carbon Steel
• Shape of Head: Flat
• Model NO.: Screws
• Certification: ISO, GS, RoHS, CE, TUV
• Customized: Customized
• Lenght Range: 13mm-152mm
• Recess Type: Phillips
• Thread Type: Fine or Coarse
• Standard: DIN; ANSI; JIS; BS; GB
• Application: Furniture or Building
• Transport Package: Small Box; Common Carton; Plywood Pallet
• Specification: Diameter M3.5-M5.5 or Other Sizes
• Trademark: OEM OR ODM
• Origin: Zhejiang, China
• HS Code: 731814
• Production Capacity: 500 Tons Per Month

Product Description

ITEM	Chipboard screw
SURFACE TREATMENT	Yellow Zinc plated, Black Phosphate, Gray Phosphate, White Zinc Plated, Black Zinc Plated
Tread TYPE	Coarse Thread
CORE HARDNESS	More Than 420HV
SURFACE HARDNESS	More Than 570HV
POINT TYPE	Sharp
SALT SPRAY TEST	24HRS
QUALITY GUARANTEE PERIOD	3 Years
PACKAGE	Bulk, Small Box, Customized Package
SAMPLE	FREE
DELIVERY DATE	7-45 Days

 

Wide Range Of Application

Packaging & Shipping

 

Company Profile

Ningbo Weifeng Fastener Co., Ltd was established in 2006. We have located in Ningbo in Asia. We are a professional manufacturer of Screws, Bolts, Nuts, Anchors. a wide range of diversity, reasonable prices, and on-time delivery.

1. OEM Manufacturing welcome: Product, Package...
2. Sample order
3. We will reply to your inquiry within 24 hours.
4. after sending, we will track the products for you once every two days, until you get the products. When you got the
goods, test them and give me feedback.If you have any questions about the problem, contact us, we will offer the solve way for you.

 

 

Other Products

FAQ

Q1. What is your terms of packing?
A: Generally, we pack our goods in neutral white boxes and brown cartons. If you have legally registered patent, 
we can pack the goods in your branded boxes after getting your authorization letters.

Q2. What is your terms of payment?
A: T/T 30% as deposit, and 70% before delivery. We'll show you the photos of the products and packages 
before you pay the balance.

Q3. What is your terms of delivery?
A: EXW, FOB, CFR, CIF, DDU.

Q4. How about your delivery time?
A: Generally, it will take 30 to 60 days after receiving your advance payment. The specific delivery time depends 
on the items and the quantity of your order.

Q5. Can you produce according to the samples?
A: Yes, we can produce by your samples or technical drawings. We can build the molds and fixtures.

Q6. What is your sample policy?
A: We can supply the sample if we have ready parts in stock, but the customers have to pay the sample cost and 
the courier cost.

Q7. Do you test all your goods before delivery?
A: Yes, we have 100% test before delivery

Q8. How do you make our business long-term and good relationship?
A:1. We keep good quality and competitive price to ensure our customers benefit ;
2. We respect every customer as our friend and we sincerely do business and make friends with them, 
no matter where they come from.