Diameter: 18mm
Diameter 2: 30mm
Thickness: 15mm
Material: Steel
Finish: Yellow Zinc
Driver Type: #27 Wrench
Thread Size: 1.5mm (Extra Fine)
Hardness: Class 8
Type: Hex Nut
Specifications: DIN 934
Box of 4.
Hex nuts are used to secure and fasten the threaded portion of most machine screws and bolts.