Package Includes: You will receive 50pcs hex nuts that size: M3, pitch of thread is 0.5mm/0.02", inside diamter 5.5mm/0.22", outside diameter 7.8mm/0.3", height of the head: 3.5mm/0.14". Feature: Flanged nuts spread their fastening force over a wider area than traditional nuts, this reduces the potential for damage to the mounting surface and allows for a more secure connection on uneven mounting surfaces. Material: Hex flange nut made of high quality stainless steel, they have good corrosion resistance, rust resistance and high hardness, which provides a longer service life, can be used indoor and outdoor, even in humid environment. Design: Hex nuts assortment use standard hexagon which thread is clear and neat, and the force is even, it is quick installation and time saving. Wide Application: Grinder flange nut easy to install for mild vibration environment. Can be used in machinery, electrical appliances, automobile, ship building. About Dijedev:
Dijedev is a dynamic brand with a professional and mature production process, offering you products of excellent quality and a new shopping experience with excellent service!

Specification:
Nuts Type: Hex Serrated Flange Nut
Material: Stainless Steel
Package Quantity: 50pcs
Size Included: M3
Pitch of Thread: 0.5mm/0.02"
Inside Diameter: 5.5mm/0.22"
Outside Diameter: 7.8mm/0.3"
Height: 3.5mm/0.14"

Features:
Due to the serrations they cannot be used with a washer or on surfaces that cannot be scratched. The serrations help in avoiding vibration of nut and increase the holding power of nut.

Note:
Please measure the diameter size of your chair legs before ordering.