5/16"-18 x 6" HSS Pulley Tap BoltsandNuts.com Hex Key Size: 3/8"

Hex Key Size: 3/8"

The extra-long bits allow you access deep into narrow

Part Number: 50C450HCSAL

Tap Drill Size #21

5/16"-18 x 6" HSS Pulley Tap BoltsandNuts.com Hex Key Size: 3/8"Product Description Extension taps are used for tapping the hubs of pulleys for oila caps or set screws. The long shank is also ideal for reaching holes inaccessible with standard length taps. Extension taps are furnished in several different overall lengths. Used to make new threads or re thread damaged and or jammed threads. Brand Drill America Part Number DWTET6X5 16 18 Size 5 16" 18 Material High Speed Steel Finish Uncoated (Bright) Number of