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Items 68113/68990

Large Mandrel Setup

A. 

Unthread the knurled Locking Collar 

to retract the Locking Pins.

Locking Pins

Locking Collar

B. 

Thread Hole Saw onto Collar Thread until the 

Locking Pins align with the Holes in the Saw.   

It just needs to align, it does not need to be tight.

Hole 

Saw

Collar Thread

(Align pins with holes.)

C. 

Tighten the knurled Locking 

Collar to extend the 

Locking Pins through the 

holes in the Hole Saw.

D. 

Tighten the knurled Locking 

Collar securely to hold 

the Hole Saw in place.

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