Manufacturer fire-rated stainless steel roller latch lock for door

Din standard stainless steel fireplace roller latch mortise lock      Detailed Product Description     1.Roller ball lock 
2.stainless steel 
3.fireproof 
4.For wooden or metal doors
5.Acted by Euro Profile Cylinder 

      Features HSK LOCKS & HARDWARE  According to DIN 18.250 class 3 mortise lock For wooden or steel doors          Technical data Follower: 7mm, 8mm, 9mm            Distance: 85mm  Backset:  60mm For end Type: round head/square head    Thickness: 3mm      Width: ,22mm,24mm For end finish: satin stainless steel, polished stainless steel, PVD stainless steel Accessories   Striking plate   Pocket  Screws    Type      6085ZR              6072ZR   6072ZR  Roller Ball Locks  (DIN 18250 Class 3;EN & CE 1121 Qualified)

Name		Spec.
Follower
Backset		55mm,60mm
Distance		72mm,85mm
Forend	type	Square head (Round or Square)
	thickness	3 mm
	width	24mm( 22,  24 )
	length	235mm
Material	Case	1.5mm mild steel
	Roller Ball/Deadbolt /Forend/Strike Plate	Stainless Steel Grade 304,316,201
Finish	SSSSSS=Satin Stainless Steel;PSS=Polished Stainless Steel;PVD
Accessories	1,Striking plate  2,Pocket  3,Lock and striking plate fixing screws
Packaging	Neutral packing or Colored packing as per requirements

      Beijing House-Lock is the biggest and most professional manufacturer of European Standard Mortise Lock in China,focus on the Premium Quality items.Up to now, we have researched and developped several series of mortise locks for wooden doors, metallic doors and fireproof doors, etc. ,such as latch bolt locks, dead bolt locks, night latch locks, bathroom locks and emergency escape function locks, passage and anti-theft locks,etc., which could be fit for different countries and regions! We also would like to supply cylinders, handles and other related door hardware to our dear customers .Meanwhile,we have been OEM for many top brands all over the world,such as Häfele Dorma  ECO  VBH  Hoppe ,Assa Abloy..Germany BASI etc..,so,the quality and service are pretty faithful.
HSK brand hardware is synonymous with Quality