AN4-21A Airfasco AN4-21A Aircraft Bolt, 1/4-28, UNF, 2.156 in L, 1.688 in Grip

SPECIFICATIONS
• Series: AN4
• Diameter: 0.249 to 0.246 in
• Thread Length: 0.468 in
• Thread Type: UNF
• Head Diameter: 0.51 in
• Head Height: 0.14 to 0.172 in
• Head Type: Hexagonal
• Thread Size: 1/4-28
• Grip Size: 1.688 in
• Material: Alloy Steel
• Thread Class: 3A
• Finish: Yellow Cadmium-Plated
• Thread Direction: Right Hand
• Tensile Strength: 4080 lb
• Shear Strength: 3680 lb
• Grade: 4037 or 8740
• Locking Mechanism: Undrilled Shank
• Length: 2.156 in
• Weight: 0.034 lb
• Domestic/Import: Domestic