Union Butterfield 3306E(UNC) High-Speed Steel Thread Forming Tap, Extra-Long, Uncoated (Bright) Finish, Round Shank With Square End, Bottoming Chamfer, H5 Tolerance, 6\ O'all Length, 3/8\-16 Thread Size
- Cold-forms threads in through holes and blind holes without producing chips.
- Extension Rol-Form tap is extra-long for extended reach, with lubricant grooves to improve coolant flow.
- Bottoming chamfer for threading the bottoms of blind holes.
- Available in UNC (Unified Coarse) or UNF (Unified Fine) right-hand thread options for different applications.
- High-speed steel for compatibility with a variety of materials.