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E-Z LOK™ Tap - HSS - STI - Bottoming - 2-56

SKU: 20070


E-Z LOK™ 2-56 STI Tap

Although they operate in a similar fashion as “standard” taps, STI taps create an oversized thread specifically for E-Z Coil™ threaded inserts.

When installing the insert, the threads cut by the 2-56 STI tap mold the E-Z Coil™ insert into the desired thread size. These specific taps are ideal for tapping holes in soft metal material that require a strong threaded insert.

Manufactured from high speed steel (HSS), the 2-56 STI tap is designed for extreme durability. We offer these products in inch, metric and spark plug sizes to meet your specifications.


  • These types of taps produce a larger than normal size threaded hole to house helical screw thread inserts.
  • They are ideal for E-Z Coil inserts


  • Preparing a slightly larger thread for installation of E-Z Coil

Knowledge Base

Prop 65

Prop 65


WARNING: This product can expose you to chromium, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, go to www.P65Warnings.ca.gov.