6mm-1.0 Zinc Plated Class 8 Steel Coarse Thread Acorn Cap Nuts

Diameter: 6mm
Diameter 2: 11mm
Thickness: 12mm
Material: Steel
Finish: Zinc
Driver Type: #10 Wrench
Thread Size: 1.0mm (Coarse)
Shape: Domed Acorn
Hardness: Class 8
Type: Cap Nut
Specifications: DIN 1587

Box of 8.

A closed nut having a dome-like cap over the back, protruding part of the engaged screw or bolt. Also called an acorn nut.