MS9556-11 - Bolt

12-point flange head bolt with a fully threaded shank. The 12-point (bi-hex) head allows for higher torque application and improved tool engagement, while the integrated flange distributes load and eliminates the need for a separate washer.

Dimensions

• L (Shank Length): 20.37 mm
• W (Head Diameter): 3.50 mm
• OL (Overall Length): 26.61 mm

Configuration

• Type: Flange head bolt (12-point / bi-hex)
• Thread: Fully threaded
• Drive: 12-point external
• Point: Flat end

Features

• High-strength aerospace/military-grade fastener
• 12-point head for increased torque capacity and reduced rounding
• Integral flange for even load distribution and reduced surface damage
• Corrosion-resistant finish
• Ideal for tight-clearance, high-load applications