4mm-0.7 Zinc Plated Class 8 Steel Coarse Thread Left Hand Nuts

Diameter: 4mm
Diameter 2: 7.8mm
Thickness: 3mm
Material: Steel
Finish: Zinc
Driver Type: #7 Wrench
Thread Size: 0.7mm (Coarse)
Hardness: Class 8
Style: Left Hand Thread
Type: Hex Nut
Specifications: DIN 934

Box of 25.

Hex nuts are used to secure and fasten the threaded portion of most machine screws and bolts.