Overview Reviews Product Description Norseman 175AG5/16 - Mechanics 5/16 Prem Black-Gold Drill Bit Diameter: 5/16" Length: 4" Flute length: 2-1/2" 135split point Product Videos Custom Field Condition New Product Reviews Write a Review Write a Review × Norseman Drill Norseman 175AG5/16 - Mechanics 5/16 Prem Black-Gold Drill Bit Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *