1/4 -18 NPT 4FL PIPE X 4 OAL
Extension Tap Thread Size 1/4 In.-18 NPTF Overall Length 4 in High Speed Steel Bright (Uncoated) Right Hand Thread Length 1 1/16 in 75 Percent Thread Drill Size 7/16 in Number of Flutes 4
Standard shipping
Estimated delivery time: 7-10 days