7.5 mm Carbon Steel Torx Head Masonry Screws For Concrete Galvanized Fastener

7.5 mm Carbon Steel Torx Head Masonry Screws For Concrete Galvanized Fastener​

Masonry Screws are also known as concrete screws mainly used to concrete , harden brick and block etc . enhanced flat head and torx drive , the point for masonry screw is cone shape that lets it drill material as fast as soon .

Normally , the thread diameter is 7.5mm ( 0.295 Inch ) and length can be up to 300 mm , Hi-low tapping threads with cutting line ( if required ) and sharp point style , sometimes , the point can be cut for more easy to drill hole .

The head drive for masonry screws can be designed in different styles as following

Typical Features

◆ Harden material

◆ High tensile strength

◆ Perfect drilling performance

◆ Long Service

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 driller

Finishing

Concrete screws normally are plated in zinc with yellow or blue or white color , and sometimes dacromet for applications in sea .

Zinc

The most popular plating for the most products , making parts are bright and smooth and resistant corrosion

Dacromet

This finish is grey color with High corrosion resistance , No hydrogen embrittlement ,Heat resistance ,Easy to plated more ,eco-friendly etc charictersitics and the film thickness is 4-8μm ; Its used for Heavy-load truck ,engine ,Marine equipments etc

Material

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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