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E-Z LOK - 303-5 E-Z Lok Externally Threaded Insert, 303 Stainless Steel, 5/16"-18 Internal Threads, 1/2"-13 External Threads, 0.484" Length, Made in US (Pack of 5)

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Product details

Management number 218108291 Release Date 2026/05/03 List Price $8.40 Model Number 218108291
Category

E-Z LOK threaded inserts for metal provide an easy to use solution for repairing or reinforcing threaded holes in metal. Ideal for use in metals like aluminum and cast iron, E-Z LOK threaded inserts are screw machined out of solid steel for greater strength and superior pull out resistance. Standard external threads permit the use of standard drills and taps for installation. Once the hole is prepared, E-Z LOKs are threaded into the hole like an ordinary fastener using a screwdriver, bolt and jam nut, or optional E-Z LOK drive tool. E-Z LOKs are self locking and will not back out or vibrate loose. A preapplied adhesive activates upon installation and bonds to virtually all metals. Fastener-ready in minutes, the adhesive seals against liquids and gases to pressures of 6,000 psi. when fully cured (72 hours).

  • Easy to Use Solution For Repairing Damaged Threads in Metal
  • Install With Standard Drill & Tap; NO Special Tools Needed
  • Self Locking; Preapplied Adhesive Activates Upon Installation and is Fastener-Ready in 3-5 Minutes
  • Ideal For Soft Metals Like Aluminum, Cast Iron, or Magnesium
  • Made in America - Strong, Solid Construction Design
UPC 839137000214
Brand E-Z LOK
Color Red
Model 303-5
Set Name E-Z LOK Threaded Insert Set (5 Piece)
Size Name 5/16"-18 IT, 1/2"-13 ET, 0.484" L
Metal Type Aluminum, Stainless Steel
Unit Count 5.0 Count
Item Weight 0.06 Pounds
Part Number 303-5
Thread Size 5/16"-18
Thread Type Unified National Coarse
Finish Types Phosphate
Grade Rating 303
Manufacturer EZ-Lok
Thread Class Class 2B
Thread Style Right Hand
Fastener Type Insert
Item Diameter 0.5 Inches
Material Type Stainless Steel 18-8 (A2)
Exterior Finish Aluminum
Item Dimensions 4 x 0.5 x 0.5 inches
Number Of Items 5
Thread Coverage Fully Threaded
Number of Pieces 5
Screw Head Style Standard Wall
Inside Thread Size 5/16"-18
Maximum Shear Strength high
Compatible Groove Diameter 0.31 Inches

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