M6 x 20 Allen Bolt (Black Oxide)
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$0.45
By MMC
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Description
These screws are corrosion resistant in wet environments, nonmagnetic, and electrically conductive. Length is measured from under the head.
Coarse threads are the industry standard; choose these screws if you don’t know the pitch or threads per inch. Fine threads are closely spaced to prevent loosening from vibration. They are not compatible with coarse threads.
Screws that meet ISO 4762 (formerly DIN 912) comply with specifications for dimensional standards.