phillips bugle head drywall screw

phillips bugle head drywall screw

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  • ⑹ can not open the groove 1 ~ 6mm thick metal sheet single-side welding double-sided forming.

    phillips bugle head drywall screw

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    phillips bugle head drywall screw phillips bugle head drywall screw

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  • phillips bugle head drywall screw

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    phillips bugle head drywall screw phillips bugle head drywall screw

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  • The main difference between the two is the carbon content. The carbon content of iron is 2.11 percent or greater, while the carbon content of steel is 2.11 percent or less. The iron carbon alloy with carbon content above 2.11% is cast iron (pig iron), which is basically not malleable and cannot be drawn into wire. Secondly, the content of impurities is different. The content of harmful impurities such as sulfur and phosphorus in steel is smaller. Steel wire general color focus, iron wire color light point, white point.

    phillips bugle head drywall screw

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    phillips bugle head drywall screw phillips bugle head drywall screw

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