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E-Z LOK™ Threaded Insert for Metal - Standard Wall - Carbon Steel - 5/8-11 x 7/8-9 x 1.125" long

SKU: 329-1018


E-Z LOK™ Threaded Insert for Metal - Standard Wall - Carbon Steel - 5/8-11 x 7/8-9 x 1.125" long


All solid construction E-Z LOK threaded inserts install with standard tools. No special drills...no special taps...no special installation tools.

E-Z LOK external threads are standard size and pitch to permit the use of standard drills and taps. E-Z LOKs can be installed with a screwdriver, bolt/jam nut (except IC series), or optional power drive tool.

E-Z LOKs will not back out or vibrate loose. Immediately upon installation, microencapsulated adhesive begins to set and the newly installed inserts are fastener-ready in 3-5 minutes.

The adhesive seals against liquids and gases to 6,000 psi when fully cured (72 hours).


  • Strong: screw machined out of solid steel for greater strength; superior pull out resistance.
  • Easy to install: solid threaded inserts install with standard tools; simply drill, tap and thread like any ordinary fastener
  • Self-Locking: pre-applied adhesive activates upon installation; inserts won't back out
  • Standard size and pitch external threads eliminate need for special taps or installation tools.
  • Install using a screwdriver, bolt and jam nut, or optional E-Z LOK™ drive tool
  • Ideal for soft metals, like aluminum, cast iron, and magnesium


  • Soft metals: aluminum, cast iron, magnesium, etc.


Unlike E-Z Coil™ inserts, which require a special tap and installation tool, E-Z LOK™ (Solid Wall) threaded inserts for metal are installed using standard tools, and installation is as easy as 1-2-3.

  • Simply drill the appropriately sized hole with a standard drill
  • Tap the hole with a standard tap
  • Turn in the E-Z LOK™ (Solid Wall) insert like an ordinary fastener with a screwdriver, bolt and jam nut, or an E-Z LOK™ drive tool.

E-Z LOK™ (Solid Wall) threaded inserts are self-locking and open immediately upon installation. The pre-applied LOCTITE™ on the external threads sets immediately allowing for the newly installed insert to be fastener ready.

E-Z LOK solid wall threaded inserts are typically installed with the slots up. The slots accommodate a screwdriver or E-Z LOK drive tool. When using a bolt and jam nuts for installation, the slotted end of the insert can be either up or down.

Important Note: Hole size requirements may vary depending on a number of factors, including material and tools. We recommend you test your particular application before ordering. Contact us for free samples.

View Installation Instructions



E-Z Lok P/N: 329-1018
For Use in: Metal
Specific Material Use: N/A
Sub-Category: Standard Wall
Style: Solid Wall
Material: Steel - Carbon
System of Measurement: Inch
Internal Thread: 5/8-11
External Thread: 7/8-9
Installed Length: 1.13
Drill Size: 49/64
Tap Size: 7/8-9
Minimum Full Thread Depth: 1.25
Installation Tool P/N: 500-8

CAD Drawings

CAD Drawings

Knowledge Base

Prop 65

Prop 65


WARNING: This product can expose you to lead, 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.