AN174H12A Airfasco AN174H12A Drilled Head Close Tolerance Bolt, 12, 1/4 in Dia, 0.312 in L Thread, UNF, 1/4-28

TECHNICAL INFORMATION
• FAA-STD Approved

SPECIFICATIONS
• Dash Number: 12
• Diameter: 1/4 in
• Thread Length: 0.312 in
• Thread Type: UNF
• Head Diameter: 0.428 to 0.44 in
• Head Height: 0.14 to 0.172 in
• Head Type: Hexagonal
• Thread Size: 1/4-28
• Grip Size: 13/16 in
• Material: Alloy Steel
• Thread Class: 3A
• Finish: Cadmium
• Thread Direction: Right Hand
• Tensile Strength: 4.08 lb Steel, 2.03 lb Alloy
• Grade: G40370/G86300/G87400/G41400/G86300/G87350/G41300
• Length: 1-9/32 in
• Suitable for Use With: Helicopter
• Domestic/Import: Domestic