Steel Ranking TOP15 Self-Drilling Screw Black Zinc Finish Plated Wafer Head $5,Industrial Scientific , Fasteners , Screws,Self-Drilling,Black,Zinc,Finish,,Head,,/gymnophiona361821.html,Screw,,Wafer,Plated,marksdiary.jp,Steel $5,Industrial Scientific , Fasteners , Screws,Self-Drilling,Black,Zinc,Finish,,Head,,/gymnophiona361821.html,Screw,,Wafer,Plated,marksdiary.jp,Steel Steel Ranking TOP15 Self-Drilling Screw Black Zinc Finish Plated Wafer Head $5 Steel Self-Drilling Screw, Black Zinc Plated Finish, Wafer Head, Industrial Scientific Fasteners Screws $5 Steel Self-Drilling Screw, Black Zinc Plated Finish, Wafer Head, Industrial Scientific Fasteners Screws

Steel Ranking TOP15 Self-Drilling Screw Black Zinc Finish Plated Wafer Cheap bargain Head

Steel Self-Drilling Screw, Black Zinc Plated Finish, Wafer Head,

$5

Steel Self-Drilling Screw, Black Zinc Plated Finish, Wafer Head,

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Product description

The steel self-drilling screw with black zinc plating has a wafer head and a Phillips drive. Steel is often used in applications where strength is the primary consideration. The zinc plating offers corrosion resistance and has a black reflective appearance. The wafer head has a flat top, a 70-degree cone-shaped bearing surface, and a small slope between the top and the bearing surface that helps create a flush fit. The Phillips drive has an x-shaped slot that accepts a Phillips driver and is designed to allow the driver to slip out of the head to help prevent over-tightening and damage to the thread or fastener.

Self-drilling screws, a type of self-tapping screw, are threaded fasteners that drill their own hole and thread it as they are installed. Usually only recommended for use with metal, self-drilling screws are available with wings that enable use when fastening wood to metal. The drill point length should be long enough to penetrate both materials being fastened before the threading portion reaches the material.

Steel Self-Drilling Screw, Black Zinc Plated Finish, Wafer Head,

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