Brass 330 Machine Screw, Round Head, Slotted Drive, #1-72, 1/4" Length (Pack of 100) Reviews
Brass 330 Machine Screw, Round Head, Slotted Drive, #1-72, 1/4" Length (Pack of 100) Feature
- Machine Screws are often used with nuts or driven into tapped holes
- Brass is suitable where corrosion resistance is a primary consideration
- Round head style for a finished appearance
- Driven by a flat-bladed driver
- Fine threads tap better into harder materials and thin walls, and are stronger in tension than coarse threads
Brass is rust proof, corrosion resistant and polishes to a rich, golden color. Brass is easily soldered and brazed and accepts plating readily. The typical composition is 70% Copper and 30% Zinc. Strength increases with a higher percentage of Zinc.
Round head fasteners have a dome-shaped head. An older style of head, it is typically used when replacing existing round-head fasteners where an exact match is desired. Common applications for slotted screws include woodworking, although the drive style is not designed to be used with power drivers.
A threaded fastener's size name includes information about the major external diameter, followed by the threads per inch, which indicates if it is coarse or fine. Fine threads are preferable when working with harder materials or when threading into a thin material. They are also stronger in tension than coarse threads, and generally provide higher shear strengths.
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Jul 14, 2011 17:11:04
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