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Inch Key Locking Threaded Insert UNC UNF

Inch Key Locking Threaded Insert UNC UNF

Key locking insert is one thread both inside and outside, there is a specific fastenerof four or two bolt keys on the external thread , Key locking insert kit into the bottom hole after tapping in, then four pins pressed into play a effect of strong fastening. The products are mainly used for the military, aerospace, railway locomotives, vibration machinery etc. for thread strength requirements for higher product used.

Product Details

Key locking insert is one thread both inside and outside, there is a specific fastenerof four or two bolt  keys on the external thread .

 

Feature:

1) Application:  internal thread repair and strengthening of the internal thread

                          Suitable for application in need high strength thread 

                          environment, can effective seismic, tensile.

2) Material:  carbon steel or stainless steel SUS303.

3) Category: Thin wall, Solid, Heavy duty, Extra heavy duty;

4) Finish:Carbon steel insert-Parkerized stainless steel insert-Passivated .

5) Operation:Easy to installation and Easy to removal.


Technical parameters:(commonly used)  

Carbon steel key-locking thread repair inserts for repairing damaged internal threads                    

Type

Thin Wall

Internal thread

External thread

Length(mm)

M 5x 0.8

M 8x1.25

8.00

M 6x 1.0

M10x1.25

10.00

M 8x1.25

M12x1.25

12.00

M 8x 1.0

M12x1.25

12.00

M10x 1.5

M14x 1.5

14.00

M10x1.25

M14x 1.5

14.00

M12x1.75

M16x 1.5

16.00


Installation process:

 

1.Drill out old threads with a standard drill.Note: Drill is oversized see charts

 for proper dimensions. Chamfer the hole with a standard countersink (82° -100° )

2.Tap new thread with a standard tap. See charts for proper size and depth.

3.Screw in the insert until slightly below surface.

4.Drive keys down with several hammer taps on the proper installation tool.

  

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