M8-1.25 Class 10 Hex Flange Prevailing Torque Top Lock Nuts Zinc Clear

SKU: M8CFLN10Z

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Thread Size	M8-1.25
Finish	Zinc Clear
Thread Series	Metric coarse
Height	6.8 mm nom

Grade	Class 10
Head Type	Hex Flange
Thread Class	6H
Locking Type	All-metal prevailing torque (distorted thread)

Material	Carbon steel, heat treated
Wrench Size	13 mm
Specifications Met	ISO 898-2 Class 10
Max Temperature	Rated to 230°C (all-metal)

Technical Drawing

Not to scale · ISO 7044 / DIN 6927 · See table for exact dimensions

Technical Dimensions

Width Across Flats	13 mm
Thread Size	M8-1.25
Thread Class	6H
Locking Type	All-metal prevailing torque (distorted thread)
Max Temperature	Rated to 230°C (all-metal)
Material	Carbon steel, heat treated

All-metal prevailing torque nut with a distorted top thread that grips the bolt, resisting vibration loosening without a nylon insert. Suitable for elevated temperatures where nylon would fail. The integral flange spreads load like a built-in washer.

Dimensions conform to ISO 7044 / DIN 6927 and may vary within specified manufacturing tolerances.