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+1 (217) 579-8045E-Z LOK Tap - HSS - STI - Bottoming - M20-2.5Screw thread insert taps (STI taps) operate in the same manner as standard taps, but produce an oversized thread specifically for E-Z Coil threaded inserts.During insert installation, the threads cut by an STI tap form the E-Z Coil insert into the desired thread size. STI taps are ideal for tapping holes in softer metals that require a strong threaded insert.E-Z LOKs E-Z Coil STI taps are manufactured from high speed steel (HSS) for superior durability. We offer STI taps in a wide range of inch, metric, and spark plug sizes to meet your unique requirements.FeaturesThese are taps that will produce a larger than nominal size threaded hole to accommodate a helical screw thread insert. A variety of styles are available to tap holes in soft materials where a strong threaded insert is desired.Applications:Preparing a slightly larger thread for installation of E-Z Coil
| D | 1/4 in |
| Finish | Black Oxide |
| Grade | 2 |
| Material | 1018 Steel |
| Thread Size (A) | 1/4-20 |
| Thread Type | UNC |
| Threads per Inch | 20 |
| Total Height (C) | 0.375 in |
| Total Length (E) | 0.625 in |
| Total Width (F) | 0.875 in |
| Type | T-Slot Nuts |
| Weight per 100 pcs | 0.05 lb |