1/4 -20 NC H3 4 Flt. Bottom 6 Extension
Pulley Tap Thread Size 1/4 In.-20 UNC Overall Length 6 in High Speed Steel Right Hand Thread Length 1 in 75 Percent Thread Drill Size #7 Thread Limit H3 Class of Fit 3B Number of Flutes 4
Standard shipping
Estimated delivery time: 7-10 days