A hex cap screw has a hexagonal head, designed to be driven by a wrench.

Diameter: 12mm
Length: 50mm
Material: Steel
Finish: Zinc
Head Style: Hex (#19 Wrench)
Thread Size: 1.5mm (Fine)
Thread Length: 50mm
Hardness: Class 8.8
Type: Cap Screw
Specifications: DIN 961

Diameter: 12mm
Length: 40mm
Material: Steel
Finish: Zinc
Head Style: Hex (#19 Wrench)
Thread Size: 1.5mm (Fine)
Thread Length: 40mm
Hardness: Class 8.8
Type: Cap Screw
Specifications: DIN 961