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Not to mention being a pretty darn nice lock!

I did not write the depth of cut on each of my bittings because I am not sure where the keys are to be measured from on a double-sided key. Measured bit depths to the inner warding on each side of the blade. Are double sided keys just measured down from the edge of the blade?

Gordon

Maybe I'll get started uploading the pictures of the teardown of an Invinceable, and work on the pictorial write-up that I so clearly hate doing. Have pictures of the levers that might apply here, too.

Ingersoll key cutting guide !!

Nice work, Ringo!

Will print it out and put it into my folder next to Graham Pullford's book.

Gordon

Thanks Gordon cutting cards almost there also !!

pics to follow

Silca Key Programs has cuts & spaces for 10 lever Ingersoll. No blind codes tho.

Side A: shoulder to 1st. cut 8,9mm. spacing 4,4mm
Side B: shoulder to 1st. cut 6,3mm. spacing 4,4mm
Cut depths:
1= 10,2mm.
2= 9,5mm.
3= 8,7mm.
4= 7,9mm.

Thanks wiser for this new info !! looks like one of us is out 0.10 to 0.35 of a mm my bet its silca !! ah ah

should not make a difference as I cut one to code last night and worked great ! using the card produced

at least we have confirmation that indeed they are cut from the shoulder also taken into account was the difference in width from old

originals & new blanks that is 0.25mm

I have edited the cutting guide to silca,s cutting depths to follow suit ! and will change the cards A-B SIDE also given this new information

I feel we have made great head way on this so far.

New cutting card !

Excellent, thanks for posting! Added it to my files.

That's the ten lever Ingersoll lock ...now lets cover this lock 6 lever Ingersoll seen here http://ndemag.com/issues/nde4.pdf

Ain't got one. If you would like to send me one, I won't complain!

Gordon

Downloaded - nice one Ringo, nice one lads.

Put this chart together see the size of the D Key blank & original photo ! the 6 lever blanks on this one also !

LOOKING AT THE D KEY BLANK ITS MUCH LONGER !! MORE INFO REQUIRED ON THIS

Interesting that the profile of the 6 lever lock key is different than any of the 10 lever lock keys I have seen. Means you can't just keep the longer blank and cut it down.

Gordon

I was shocked to discover the D Key blank as I thought the same Gordon !! no cutting down of the blank at all ..but yes your correct the 6 levers different again the big question what is the s&d on this key or blank !!

I have just won a couple of D-SERIES keys so when they turn up ..a follow up I shall do

also I was interested in the lock that used these keys ?? its a night latch D20 ! 10 lever see keyway

Old & discontinued- no longer made the D20 night latch



pics to follow