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drive Hot Dip Galvanized Hex Head Roofing Self Drilling Screw and Washer

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China Jiaxing Haina Fastener Co.,Limited certification
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drive Hot Dip Galvanized Hex Head Roofing Self Drilling Screw and Washer

drive Hot Dip Galvanized Hex Head Roofing Self Drilling Screw and Washer
drive Hot Dip Galvanized Hex Head Roofing Self Drilling Screw and Washer drive Hot Dip Galvanized Hex Head Roofing Self Drilling Screw and Washer drive Hot Dip Galvanized Hex Head Roofing Self Drilling Screw and Washer drive Hot Dip Galvanized Hex Head Roofing Self Drilling Screw and Washer

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Product Details:

Place of Origin: China
Brand Name: HNF
Certification: ISO9001
Model Number: #6-20

Payment & Shipping Terms:

Minimum Order Quantity: 10000pcs
Price: Negotiation
Packaging Details: 25 kgs carton + 900kgs pallet
Delivery Time: 5-15 days
Payment Terms: Western Union, L/C, T/T
Supply Ability: 500 tons per Month
Detailed Product Description
Material: Carbon Steel Size: #6-#14
Head Type: Hex Washer Head Case Hardness: HV550-800
Core Hardness: HV300-450 Material Thickness: 0.9-2.5mm
Surface: HDG Point No.: #2-#3
Package: Carton Production Process: Cold Forging
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drive Hot Dip Galvanized Hex Head Roofing Self Drilling Screw and Washer

 

Description

 

The properties of drilling screw : 1) Exact forging standard of knife edge and high hardness of surface make it easy to drill. 2). The Special technology treatment of the surface makes the product anti-corrosion , antirust and durable. 3) Using the advanced technology to control the core hardness, avoiding rupture effectivity,

 

Hex Washer (Unslotted) Head Self Drilling Screws (Zinc-Plated Steel) are designed for use in metal applications. Like self tapping screws, self drilling screws cut threads while being installed. A self drilling screw, however, has a notched point that acts as a drill point and therefore does not require a pre-drilled hole before installing. The generic name for these screws are Self Drilling,

 

Specification

 

 

Name drive Hot Dip Galvanized Hex Head Roofing Self Drilling Screw and Washer
Size  #6-20
Sample Free
Material Carbon Steel, Stainless steel Alloy Steel,etc
Finish Polish,Plain,Zinc-Plated,Blue White Zinc,HDG, Dacromet ,et
Packing Standard export packing or According to customer's requirement
Origin Jiaxing,zhejiang,China
Delivery 3-20days
Port Ningbo or Shanghai
Web www.hainafastener.com

 

Production Process 

 

1.Wire Drawing Production Process

Coiling -Roughing-Spheroidizing-Purifying- Finished Product Wire

Wire drawing : pulling the raw wire till the diameter we need.

2.Screw Molding

 Heading - threading

3. Heat treatment-Electroplating-packing

 

drive Hot Dip Galvanized Hex Head Roofing Self Drilling Screw and Washer 0

 

 

Contact Details
Jiaxing Haina Fastener Co.,Limited

Contact Person: Jason

Tel: +8618668368299

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