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

Diameter: 3/8″
Length: 5-1/2″
Material: Steel
Finish: Zinc
Head Style: Hex (9/16″ Wrench)
Thread Size: 16 (Coarse)
Thread Length: 1″
Hardness: Grade 5
Type: Cap Screw

Diameter: 5/8″
Length: 4-1/2″
Material: Steel
Finish: Zinc
Head Style: Hex (15/16″ Wrench)
Thread Size: 11 (Coarse)
Thread Length: 1-1/2″
Hardness: Grade 5
Type: Cap Screw

Diameter: 1/4″
Length: 1″
Material: Steel
Finish: Zinc
Head Style: Hex (7/16″ Wrench)
Thread Size: 20 (Coarse)
Thread Length: 1″
Hardness: Grade 5
Type: Cap Screw

Diameter: 5/16″
Length: 2″
Material: Steel
Finish: Zinc
Head Style: Hex (1/2″ Wrench)
Thread Size: 18 (Coarse)
Thread Length: 7/8″
Hardness: Grade 5
Type: Cap Screw

Diameter: 3/8″
Length: 1″
Material: Steel
Finish: Zinc
Head Style: Hex (9/16″ Wrench)
Thread Size: 16 (Coarse)
Thread Length: 1″
Hardness: Grade 5
Type: Cap Screw

Diameter: 3/4″
Length: 3-1/2″
Material: Steel
Finish: Zinc
Head Style: Hex (1-1/8″ Wrench)
Thread Size: 10 (Coarse)
Thread Length: 1-3/4″
Hardness: Grade 5
Type: Cap Screw