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Casting repair products are eveloped and manufactured by LOCK-N-STITCH Inc.,the world leader in casting repair metal stitching technology. We use the latest state-of-the-art CNC machining and grinding equipment. We even manufacture our own special patented taps.
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Casting Repair Products > Crack Repair Tools & Supplies > Locks > L30 & L40 Locks  

L30 & L40 Locks

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L30 Locks

L30 Locks

The L30 lock is used mostly for industrial repairs. With an overall length of 2.818" and a maximum width of 0.609" it is large enough to be considered an industrial application. This size is intended for casting thicknesses of 3/8" to 1". A drill pilot bushing comes with the kit to make drilling easier. It allows you to pilot drill all of the holes to 3/16" prior to drilling the larger holes of the pattern.
L40 Locks

L40 Locks

The L40 lock has an overall length of 3.770" and a maximum width of 0.820". It is used in castings with wall thicknesses ranging from 1" to 3". The hole pattern for this lock can be drilled with a hand-held drill. A drill bushing is provided to allow pilot drilling of all holes to make drilling of the 1/2" diameter holes easier. Because of the aggressive design of LNS locks these L40 locks hold up extremely well, even under the cyclic stresses generated by punch presses and shears.

 Lock Kit for L30 Locks 

Lock Kits (L30K)
L30 Lock Kit

 Lock Kit for L40 Locks 

Lock Kits (L40K)
L40 Lock Kit