 | Additional product information Zinc Plated Steel Sheet Metal Screw, Pan Head, Phillips Drive Features
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Product Description
Sheet metal screws have a pointed end and widely spaced threads. They're self-starting in thin sheet metal, but in thicker materials a drilled hole is recommended.
Steels are designated by a 4 number SAE Steel grade. The first two digits indicate the primary materials used to form the steel. The last 2 digits identify the percentage of carbon for the alloy (in hundredths). The steel used in these fasteners has a tensile strength ranging from 100,000 to 150,000 psi (pounds per square inch). Zinc Plating helps to prevent corrosion.
Pan head fasteners have a low, large cylindrical head with a high rounded top edge for higher tightening torques - these fasteners are often recommended to replace older head styles such as round, binding, or truss-head where possible. The Phillips drive style was originally designed so that the driver would slip out under extreme torque, preventing over-tightening and damage to the fastener or the material.
see detailsZinc Plated Steel Sheet Metal Screw, Pan Head, Phillips Drive Small Parts.
Features
- Pointed end and widely spaced threads
- Zinc Plated Steel fasteners are suitable where strength and corrosion resistance are primary considerations
- Pan head allows for higher tightening torques
- Phillips drive is designed to cam out under too much torque
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