M4-0.7 Zinc Finish Steel with External Tooth Lockwasher K-Lock Nut

you are looking at 1 bags of 200 count.

Diameter: M4
Diameter-Thread Size: M4-0.7
Finish: Zinc
Material: Steel
REACH: Y
RoHS: Y
Style: With External Tooth Lockwasher
System of Measurement: Metric
Thickness: 4.1mm
Thread: Coarse
Thread Size: 0.7
Type: K-Lock Nut
Wrench Size: 7mm
Product Weight: 0.0017 lbs.
Notes: K-Lock nuts are a general purpose nuts for moderate load assemblies. They consist of a nut assembled with a free spinning washer. The teeth pattern of the washer bite into both the nut and the base material to prevent loosening caused by vibration. DIN 267 Part 4 Class 8 nut; Spring Steel washer. 6H thread requirement. Zinc plating, retards the corrosion rate in a normal atmosphere.