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exp121260

Mortice key help pls

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had this 5.5 Chubb key yesterday, did not have the exact blank, cut it on HIATT blank, the key goes into the lock but wont open.

had look at all suppliers websites , could not a exact blank for it . 

Any solutions? 

Chubb 1.jpg

chubb 2.jpg

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thanks all for your assistance. 

The gauge is 5.5 and the blank I cut is 5.5 as well, customer said key goes in fine just not turn, I run-over the key and cut another one, none turn the lock :)

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I would ask the customer what happens when he tries to turn the key, if it gets stiffer as he turns it then our belief that the bit is too wide stands up.

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Just want to says thanks to every one assisting me with this key.

I managed to find the problem and now all 3 keys work perfect. 

The problem was the side cuts of  my blanks was not as deep and wide as the original key.

They were too small to notice with eye sight , but when put it in my lancer machine it did take a bit more off and all worked OK afterwords. 

once more thanks for your time guys. 

 

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