Nylon 6/6 Thumb Screw, Knurled Head, Slotted Drive, 1/4"-28, 3/4" Length (Pack of 100) Reviews
Nylon 6/6 Thumb Screw, Knurled Head, Slotted Drive, 1/4"-28, 3/4" Length (Pack of 100) Feature
- Thumb Screws allow for simple "by-hand" installation
- Nylon 6/6 is suitable where non-conductivity, corrosion resistance, and cost are important considerations
- Knurled head provides extra grip for manual tightening
- Driven by a flat-bladed driver
- Fine threads tap better into harder materials and thin walls, and are stronger in tension than coarse threads
Nylon 6/6 is a general purpose thermoplastic with outstanding resistance to organic chemicals, acids and alkalis. Nylon wears well against other surfaces; it is readily machinable and may be milled, turned and cut with conventional machine tools. It does exhibit some dimensional swelling in wet applications which should be taken into account with its use. Tensile strength of this material is 12,000 psi (pounds per square inch).
Usually found on thumb screws, a knurled surface on the head gives a better gripping surface, making it easier to tighten or loosen fasteners manually. 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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Aug 18, 2011 15:48:14
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