Factory Wholesale Price Galvanized 4.2*13 4.2*75 Washer Head Self-Tapping Screws

• Material: Carbon Steel
• Groove: Cross
• Connection: Common Bolt
• Shipping Cost: Estimated freight per unit.: about shipping cost and estimated delivery time.
• Currency: US$
• Return&refunds: You can apply for a refund up to 30 days after receipt of the products.
• Head Style: Truss Head
• Standard: DIN, GB, ANSI, BSW
• Grade: 4.8
• Transport Package: Bag/Box/Carton
• Origin: Tianjin
• HS Code: 7318140000
• Production Capacity: 20000tons/Year
• Package Size: 25.00cm * 25.00cm * 25.00cm
• Package Gross Weight: 1.000kg

Product Description

 

Product Description

 

Self-tapping screws are screws that have the ability to tap threads into the material. Self-tapping screws are used for all sorts of materials including wood, metal, and brick. These screws cannot drill through metal and require a pilot hole to be pre-drilled before installation.

 

 

Detailed Photos

Thread Type: AB Type Thread
Drive type: Pozi/Phillips/ Slotted Drive
Diameter: M3.5(#6) M3.9(#7) M4.2(#8) M4.8(#10) M5.5(#12) M6.3(#14)
Length: From 19mm to 254mm
Material: steel, stainless steel
Surface treatment: Yellow/White Zinc Plated; Nickel Plated; Dacromet; Ruspert
Feature: Combination of tap and bolt. The material is usually soft and screwed in directly after drilling.
Application: Used for the articulation and fixing of some thin plates, such as the articulation of color steel plate and color steel plate, the articulation of color steel plate and purlin, wall beam, etc.
 

 

 

Product Parameters

 

 

Certifications

 

 

 

FAQ

Q1: Are you a trading company or manufacturer?
A1: We are a leading, professional, and premium screw manufacturer and exporter since 2008.  You can furtherly know our company via YouTube and WeChat Channel, or online visit our factory via Live Video Call on WeChat or WhatsApp, or visit our factory by yourself.
Q2: What are your Hot Sale Products?
A2: We mainly produce and export premium quality Drywall screws, Chipboard screws, Self Drilling Screws, Self Tapping Screws,  Pan framing head self-drilling screws, Pan framing head self-tapping screws,  Gypsum Screw, and Roofing Screws, etc.
Q3: What standard do you produce screws?
A3: We can produce according to DIN standards, ISO standards, GB standards, ANSI standards, JIS standards, Manufacturer standards, and customer-required standards.
Q4: Can you accept OEM orders?
A4: Yes, we can accept OEM or ODM orders and customized orders.
Q5. Can you provide Test Report?
A5: Yes, we can provide Factory Test Report or Manufacturer Test Report for you from our company. And you also can entrust the Third Party to test your order before shipping like SGS, BV, etc.
Q6: Can you provide technical support and after-sales service?
A6: Yes, we can provide you with the technical solution and after-sale service for fastener Products.
Q7. Can you provide samples?
A7: Yes, We can supply free samples for customers.
Q8: What are your payment terms?
A8: By T/T, L/C, Paypal, etc.
Q9: Can you finish customs clearance for an order?
A9: Yes, we can finish export customs clearance for your order in our country. We also can finish import customs clearance in the destination country according to customers' requirements.
Q10: How do we contact you?
A10: You can contact us at any time via Email,  WeChat, WhatsApp, Skype, Made-in-China Messenger Phone, etc. And we will reply to you within 24 hours.