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

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

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

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 .

With many years reputation in hardware filed , VEDALI HARDWARE CO., LTD has entered hardware filed and gained much development in these years , we have over 100 employees and 20 engineers on researching and development , and several branches that are specialized in different hardware for vast demands .

Our product range covers Fasteners ( Screws , Bolts , Nuts , Rivets , Washers , Pins ) , Stamping Parts , Machined Parts , Plastic Injection Molded Parts Which are made of or from different materials for every field in industry , Agriculture and Service . We own advanced process machines and experienced skilled workers to ensure products are manufactured in high quality . We are able to proceed special designs for new projects and provide good solutions to difficult problems during operations , and OEM services are available for us as well .

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