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System of Measurement
System of Measurement
Metric
Thread Size
Thread Size
M14
M18
Thread Type
Thread Type
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Spark Plug
Thread Pitch
Thread Pitch
default
1.25 mm
1.5 mm
Threaded Insert Type
Threaded Insert Type
Thread
Locking
Helical
Thread Spacing
Thread Spacing
Fine
Extra Fine
For Use In
For Use In
Metal
Material
Material
Stainless Steel
Steel
For Spark Plug Reach
For Spark Plug Reach
3/8"
7/16"
0.472"
1/2"
3/4"
Long
Normal
Short
Helical Insert Style
Helical Insert Style
With Prong
Number of Inserts Included
Number of Inserts Included
3
18
24
30
Thread Direction
Thread Direction
Right Hand
For Tap Thread Size
For Tap Thread Size
3/4"-16
End Type
End Type
Open
Tensile Strength
Tensile Strength
60,000 to 99,999 psi
100,000 psi or greater
For Tap Type
For Tap Type
Standard (UN)
Helical
Passivation
Passivation
Not Passivated
Installed Length
Installed Length
default
0.25" to 0.499"
Drill Bit Size
Drill Bit Size
11/16"
Finish
Finish
Black Phosphate
For Maximum Hole Diameter
For Maximum Hole Diameter
0.5" to 0.749"
Thread Fit
Thread Fit
Class 6H
Thread-Locking Insert Wall Style
Thread-Locking
Insert Wall Style
Thick
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6 Products

Black-Phosphate Steel Easy-to-Install
Thread-Locking Inserts

Metric

Spark Plug Thread Repair Kits for
Gasket-Seat and Taper-Seat Ports

Spark Plug Thread Repair Kits