5" x 5' Continuous Flight Auger – 1 5/8 Hex

This auger has a 5" (12.7 cm) hole size, 5' (152.4 cm) length, and a 1 5/8" (4.13 cm) hex connection. Strong and reliable for geotechnical and environmental drilling. Note: Continuous Flight Augers are identified by hole size, not flight diameter. Always use a cutterhead 10% larger than the actual flight diameter. Cutterheads are measured by actual diameter.