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Hex Washer Head Concrete Screws Blue Steel 7.5mm Fastener for Cement Board

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Hex Washer Head Concrete Screws Blue Steel 7.5mm Fastener for Cement Board

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Large Image :  Hex Washer Head Concrete Screws Blue Steel 7.5mm Fastener for Cement Board

Product Details:
Place of Origin: China
Brand Name: VDL
Certification: ISO 9001
Model Number: CCSC75100
Payment & Shipping Terms:
Minimum Order Quantity: Negotiation
Price: Negotiation
Packaging Details: 1000 pcs each carton with dimension 20 X 15 X 15 cm , 500 cartons to a 20 ft container
Delivery Time: 30 days
Payment Terms: L/C, T/T, Western Union ,Paypal
Supply Ability: 500, 000 pcs per month
Detailed Product Description
Material: Carbon Steel Property Class: 6.8
Finish: Zinc Hardness: HRC 35
Diameter: 7.5 Length: 100
Point: Sharp Thread: Hi-low
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Hex Washer Head Concrete Screws Blue Steel 7.5mm Fastener for Cement Board

 


Concrete Screws are also named as masonry screws ,Hex washer head with a slot socket and square cone point with type BP , Concrete screw has a hi-low threads design on the shaft that can drill material more quickly and lock screws into material tightly .
 
 
Typical Features

 

◆ Harden material

◆ High tensile strength

◆ Cutting threads

◆ Hi-low threads

◆ Square cone point

 

 

Specification

Hex Washer Head Concrete Screws Blue Steel 7.5mm Fastener for Cement Board 0
 

Specification Head dia. Thread dia. Length Pitch
d1 D d1 L P
7.5 11 ~ 12 7.3 ~ 7.6 36 2.4 ~ 2.8
7.5 11 ~ 12 7.3 ~ 7.6 42 2.4 ~ 2.8
7.5 11 ~ 12 7.3 ~ 7.6 52 2.4 ~ 2.8
7.5 11 ~ 12 7.3 ~ 7.6 62 2.4 ~ 2.8
7.5 11 ~ 12 7.3 ~ 7.6 72 2.4 ~ 2.8
7.5 11 ~ 12 7.3 ~ 7.6 80 2.4 ~ 2.8
7.5 11 ~ 12 7.3 ~ 7.6 90 2.4 ~ 2.8
7.5 11 ~ 12 7.3 ~ 7.6 102 2.4 ~ 2.8
7.5 11 ~ 12 7.3 ~ 7.6 112 2.4 ~ 2.8
7.5 11 ~ 12 7.3 ~ 7.6 120 2.4 ~ 2.8
7.5 11 ~ 12 7.3 ~ 7.6 132 2.4 ~ 2.8
7.5 11 ~ 12 7.3 ~ 7.6 142 2.4 ~ 2.8
7.5 11 ~ 12 7.3 ~ 7.6 152 2.4 ~ 2.8
7.5 11 ~ 12 7.3 ~ 7.6 182 2.4 ~ 2.8
7.5 11 ~ 12 7.3 ~ 7.6 190 2.4 ~ 2.8
7.5 11 ~ 12 7.3 ~ 7.6 200 2.4 ~ 2.8

 
 
 
Installation
 
1 , Drilling a pre-hole in material with pre-depth for concrete screw ( see details in table )
 
2 , Inserting concrete screw into hole and screwing it in a electric drill

 

Specification Length Pre-depth
7.5 36 2.3 ~ 3.15
7.5 42 2.3
7.5 52 2.3
7.5 62 2.3
7.5 72 2.3
7.5 80 2.3
7.5 90 2.3
7.5 102 2.3
7.5 112 2.3
7.5 120 2.3
7.5 132 2.3
7.5 142 2.3
7.5 152 2.3
7.5 182 2.3
7.5 190 2.3
7.5 200 2.3

 
 
 
Plating
 
Concrete screws normally are plated in zinc with yellow or blue or white color , and sometimes dacromet for applications in heavy corrosion surroundings like sea .
 
Zinc
The most popular plating for the most products , maks parts are bright and smooth and resistant corrosion
 
Dacromet
Grey color with High corrosion resistance , no hydrogen embrittlement , heat resistance , easy to plated more , eco-friendly etc
 
 
Materials
 
Carbon steel with model 1018 , 1022 , 1035 , 1045 , SCM 435 and 40CRO
 
Stainless steel with model SUS 201 , SUS303 , SUS 304 ,SUS 316 , SUS 416 ,SUS 430 and SUS 420 .
 
 
Applications
 
Concrete screws are used for buildings like window frame , door etc that into concrete material .

 

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