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E-Z LOK™ Threaded Insert for Metal - Automotive - Carbon Steel - M14-1.25 (1/2" Reach) x M18-1.5

SKU: 750-14
Exact part/packaging not shown. Actual parts and packaging may vary.
5 - 499$1.740
500 - 999$1.650
1000 - 2499$1.570
2500 - 4999$1.480
5000 - 9999$1.390
10000 - 24999$1.310
25000 +$1.220


E-Z LOK™ Threaded Insert for Metal - Automotive - Carbon Steel - M14-1.25 (1/2" Reach) x M18-1.5

E-Z LOK™ (Solid Wall) Automotive threaded inserts are designed for use in spark plug repair. Internal thread sizes from M10 to M18 are available in a variety of lengths. In addition VW Case Savers are offered in through hole and blind designs.

All E-Z LOK™ (Solid Wall) Automotive inserts are installed using standard tools. No special taps or installation tools needed.


  • 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. The pre-applied LOCTITE™ on the external threads activates immediately upon installation. Inserts are fastener ready in 5-10 minutes.

View Installation Instructions



E-Z Lok P/N: 750-14
For Use in: Metal
Specific Material Use: N/A
Sub-Category: Automotive
Style: Solid Wall
Material: Steel - Carbon
System of Measurement: Metric
Internal Thread: M14-1.25
External Thread: M18-1.5
Installed Length: 12
Drill Size: 16.5
Tap Size: M18-1.5
Minimum Full Thread Depth: 13.25
Installation Tool P/N: N/A

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.