GFB Machine Tap 1/2-12 Spiral Flute Coarse

The GFB Machine Tap cuts a 1/2-12 imperial thread, is a coarse pitch, has spiral flutes. A machine tap cuts the thread in a single pass, on a machine, a tapping arm or in a tapping head. Straight flutes push the chip ahead of the tap; spiral flutes pull it back out of the hole. Used for threading in production and machine work. Spiral flutes are preferred in blind holes, and the pilot hole must match the tap drill size or the tap binds and snaps. Seza Global supplies GFB thread cutting tools wholesale. Request a quote for stock, pricing and delivery.