Spiral Point Tap, Thread Size 5/16 In.-18, UNC, Overall Length 2 23/32 in, High Speed Steel, Bright (Uncoated), Right Hand, Thread Length 1 1/8 in, 75 Percent Thread Drill Size F, Thread Limit H11, Class of Fit 1B, Number of Flutes 3
To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyzes reviews to verify trustworthiness.