The 3521721 4-40 HSS L.H. SPECIAL HAND BOTTOM TAP GH2 -PITTSBURG is a high-speed steel left-hand special hand bottom tap for producing threaded holes with a bottom-tap profile.
This tap is typically used for hand-tapping applications where left-hand threading and a bottoming tap configuration are required.
- Product model: 3521721
- Size: 4-40
- Material: HSS
- Type: L.H. special hand bottom tap
- GH2
- Brand: Pittsburg
