Kincrome K4958 - 10 Piece M8 Zinc Coated Steel Rivet Nut Insert 

Features:

• Suits most popular nut riveters including K4900
• Rivet Nut Insert M3 (Zinc Coated Steel) - 10 Pack

Specifications:

• Head Diameter: 14.6 MM
• Head Height: 1.4 MM
• Length: 16.3 MM
• Diameter: 10.8 MM
• Thread Size: M8 X 1.0 MM
• Grip Range: 1.00 - 3.00 MM
• Hole Size: 11 MM +0.08