AN8-21A Undrilled Shank Machine Bolt

Specifications

SPECIFICATIONS
• Diameter: 1/2 in
• Dash Number: 21
• Thread Length: 0.781 in
• Length: 2-7/32 in
• Thread Type: UNF
• Head Diameter: 0.74 to 0.752 in
• Head Height: 0.265 to 0.297 in
• Head Type: Hexagonal
• Thread Size: 1/2-20
• Material: Alloy Steel
• Grip Size: 1-7/16 in
• Finish: Cadmium
• Thread Class: 3A
• Thread Direction: Right Hand
• Tensile Strength: 18.5 lb Steel, 9.18 lb Alloy
• Shear Strength: 14.7 lb Steel, 6.85 lb Alloy
• Grade: 4037/8740
• Suitable for Use With: Helicopter
• Domestic/Import: Domestic

TECHNICAL INFORMATION
• FAA-STD Approved