Toolcraft Hexagonal Fillister Head Screw Stainless Steel M4 X 20mm...

Stainless steel - A stain and corrosion resistant steel blend

Steel - An alloy made predominately of Iron combined with <2% carbon

Button - A round or square object used for fastening clothing or other items

hex socket - A type of screw drive consisting of a hexagonal recess driven by a hex wrench.

button - A small fastener used on clothing to secure two pieces of fabric together.

Screws - A simple device use for physically attaching two objects together

Head - The upper part of a body typically separated by the neck.

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