JJ Motorsports offers Allstar Performance Jack Bolt Collar 1-1/8in-12 ALL56098 at low everyday prices. Shop more products from Allstar Performance including jack bolt collars It will further improve the tool life and save you time. The back jaw is the most vulnerable part of the tapping head. Although we have enhanced the design by improving its rigidity, we still recommend that you get the spare part as a backup. As a result, our manufacturer and we improved the self-reversing tapping heads' design and enhanced the back jaws' quality. We heard you, and thanks to your feedback we figured out the critical part that stops the tapping head from working. Radial Float is self-centering to compensate for hole center misalignment. Accusize 4-1/2'' / M5-M12 Self-Reversing Tapping Head, 1/8'' Npt, Jt6 663566006901 ACCUSIZE INDUSTRIAL TOOLS Reversing Tapping Head Thanks for our customers' patience. It is the back jaw of the taper holding the taps. Locking spare part / Back Jaws for tapping Head JSN20 (sku#2600-4022) Locking spare part of 2600 Tapping Head Family (Tapping Head Back Jaw For Use with Tapping Attachments) · Locking spare part / Back Jaws for tapping Head JSN20... There are 2 springs for the feed and 2 springs for the reversal. Locking spare part of 2600 Tapping Head Family (Tapping Head Back Jaw For Use with Tapping Attachments) Each time the tapping head stops working or becomes defective, it is due to the back jaw that is damaged.
