Låsfabriksaktiebolaget E A Næsman & Co N:o 12
|Plating Kept in stock||
Untreated and nickel-plated
3407 for mounting with wood screw. 3407A for through-attachment.
|Recommended wood screws||
3407: Countersunk head 6 x 5/8" M/MN. 3407A: Through-bolt 7020 with nipple.
3407: 1 pair with or without screws. 3407A: 1 pair incl. screws and nipples.
3407A is used on modern doors with drilled holes ø40 mm. The screw hole placement fits external door locks FAS/Assa 40B7, internal door locks Assa 40C and 404, as well as most modern Nordic internal door locks.