The serrations under the flange bite into the surface and help to resist loosening due to vibration.Size: 3/8 inch-16 X 1-1/4 inchHex bolt with a serrated circular flange under the headFlange eliminates need for separate washerSerrations bite into surface and can help to prevent looseningDesigned for use with a nut (not included) or a threaded hole of the same diameter and thread sizeThread Type: Coarse, Thread Class: UNC-2A, Point Style: BluntSpecification(s) Met: ASME B18.2.1, ASME B18.6.3, & ASME B1.1 A washer is still needed on the nut side unless using a flange nut. Flange bolts feature a built in washer under the bolt head that helps to distribute the clamping load over a larger area. This "one-piece" design eliminates the need of a separate washer under the bolt head and is preferable for some applications as it can be more efficient and easier to use.
Screws & Bolts,Flange Bolts
Serrated Flange Bolts 3/8in-16 X 1-1/4in Zinc Plated Case Hard Steel 25PK
Specifications of Serrated Flange Bolts 3/8in-16 X 1-1/4in Zinc Plated Case Hard Steel 25PK | |
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Instock | instock |