What is a 120 degrees on a bolt head?
What is a 120 degrees on a bolt head? 120 degrees is the degree of turn on the bolt. 360 would be a complete turn. 180 would be a half of a turn. 120 degrees would be 2 flats of a bolt turn. How many degrees is one flat on a bolt? Flat Head (Metric) - Metric flat heads screws come standard with a 90 degree head angle. What is a 120 degree angle called? Obtuse Angle Measure = (180 - acute angle measure) In the picture above, line segment DO intersects line segment OQ at point O and forms...