Steel Thread Rolling Screw for Metal, Black Oxide Finish, Hex Washer Head, 1/4″-20 Thread Size, 3/4″ Length (Pack of 50)

$6.18

Thread rolling screw recommended for use in metal
Steel is often used in applications where strength is the primary consideration
Black oxide finish offers mild corrosion resistance and lubricity

Description

The steel thread rolling screw for use in metal has a black oxide finish and a hex washer head. Steel is often used in applications where strength is the primary consideration. The black oxide finish offers mild corrosion resistance and lubricity. The hex washer head has six flat sides that a wrench can grip to turn from the side, enabling use when there is no space above the head for a screwdriver. The nonserrated flange acts like a washer to increase the fastener’s bearing surface and distribute the clamping force over a larger area, providing grip and reducing damage to mating surfaces.

Thread cutting and thread rolling screws, two types of self-tapping screws, are threaded fasteners that create a mating thread in the wall of a hole. The two screws differ from each other in the way that they create the threads. Thread cutting screws cut the wall of the hole to create the thread, creating material chips that need to be cleared away from the hole to prevent clogging. Thread rolling screws, also called thread forming screws, do not remove material but instead press against the wall of the hole to displace the material and form the threads.

Thread rolling screw recommended for use in metal
Steel is often used in applications where strength is the primary consideration
Black oxide finish offers mild corrosion resistance and lubricity
Hex washer head has a nonserrated flange for additional grip with the mating surface and has six flat sides that a wrench can grip to turn from the side
[amz_corss_sell asin=”B00GE1N9ZC”]

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United States (US) $11.95

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  • Store Name: Fasteners
  • Seller: Fasteners
  • Address: 20355 ne 34 ct
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