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Description
- M8x1.25, M8x1.250, M8, 8mm X 1.25mm
- Metric 12mm Wrench JIS Hex Head Serrated Flange Nut
- Utilizes a 12mm wrench for quick installation and to easy fastening.
- Material: Class 10 Hardened Steel
- Finish: Yellow Zinc Plated with Shiny Finish
- These serrated hex flange nuts provide better holding power than regular hex nuts and are practical since there is no need to purchase separate washers as the washer is already built-in with the nut.
- The serrations on the nuts form a connection which resists loosening when wrenched into place by displacing material on the mating surface, thus providing a locking action.
- In Yellow Zinc finish. Sometimes referred to as "gold" colored finish, yellow zinc chromate plating has largely replaced original yellow cadmium plating previously common to the restoration fastener industry.
- Diameter: 8mm
- Pitch: 1.25 Coarse Thread
- Reduced Wrench Size: 12mm
- Flange Outer Diameter Max: 17.5mm
- Head Height Max Including Flange: 8.0mm
- Standard: JIS B1190
- Thread Direction: Right Hand
- Drive Style: External Hex
- Also known as serrated face nuts, spin lock, or serrated tooth nuts.
- These nuts are intended for use with Class 10.9 hardened bolts or lower.
- It is important to make sure that when buying a flange bolt to go along with this flange nut, the steel class (hardness) of the bolt is the same as that of the nut for an optimal strength combination.
- 25 Pieces Per Package