Lawrence Hardware

LH510W For Wood Doors


  • cUL/UL listed for fire doors. Label A (3 - Hour Fire Doors)
  • ANSI/BHMA A156.3
  • Faceplate Size:  
  • LH510M - 1” x 6-3/4”  (25.4mm x 171mm)
  • LH510W - 1” x 8-1/2” (25.4mm x 216mm)
  • Finishes: US26D and US32D


  • The self Latching flush bolt is used on the top of the door and is combined with a automatic flush bolt at the bottom of the door
  • The top bolt (LH510M or LH510W) automatically engage frame strike when the inactive door is closed.  The bolt remains engaged until it is retracted by depressing the plunger on the face of the bolt
  • The bottom bolt of the pair of bolts will engage floor strike when the active door is closed



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Lawrence Hardware
676 Petrolia Road, Toronto, ON M3J 2V2
Business Hours

Mon - Thur: 8:30am to 5:00pm
Fri: 8:30am to 1:00pm

Mon - Thur: 7:00am to 4:00 pm
Fri: 7:00am to 1:00pm
Shipping & pickup can be arranged based on these hours.

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