#8 (m4) X 3-1/2" Tap Extension 101 ANSI series ansi Self-Locking feature requires Tap Square

Self-Locking feature requires Tap Square and Shank match max accepted dims

312 – B Max Tap Shank Accepted

Buy now or support local

542 – B Max Tap Shank Accepted

275 – C Max Tap Square Accepted

#8 (m4) X 3-1/2" Tap Extension 101 ANSI series ansi Self-Locking feature requires Tap SquareSelf Locking feature requires Tap Square and Shank match max accepted dims. See Detailed Size chart for all dimensions. Metric (m) size is conversion. 0. 168 B Max Tap Shank Accepted 0. 131 C Max Tap Square Accepted Made in USA with USA sourced steel. Easily extends the reach of standard thread taps. No collet or set screws. Reusable. For all machine and hand tapping applications. Extension offers smallest OD in the industry. Metric (m) size is