| Zinc Plated Steel Machine Screw, Flat Head, Phillips Drive (Metric) | 
| Colors: | 
Silver |
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| Brand: Small Parts
Category: BISS
Buy New: $1.97 - $14.82
as of 2/10/2012 20:24 CST details
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Color: Silver
Media: Misc.
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| Features:
| • | Machine Screws are often used with nuts or driven into tapped holes | | • | Zinc Plated Steel fasteners are suitable where strength and corrosion resistance are primary considerations | | • | Flat head style allows fastener to sit flush to the surface | | • | Phillips drive is designed to cam out under too much torque |
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| Editorial Reviews:
Product Description
Machine Screws, also referred to as Machine Bolts, are often used with nuts or driven into tapped holes. They come in a variety of head types and drive styles, but are generally available in smaller sizes.
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.
Flat head fasteners are designed to fit flush to the surface when used with countersunk holes. Length is measured from the top of the head. 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.
A threaded fastener's size name includes information about the major external diameter (in millimeters), followed by the thread pitch (millimeters per thread), which indicates if it is coarse or fine.
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