M90 Series Deadbolts

The ASSA® M90 Series Grade 2 deadbolt features a saw-resistant bolt, pick resistant ASSA cylinder, and  an adjustable 2 3/8" or 2 3/4" backsets. The M90 Deadbolt is also available in either a flat front or drive in bolt.

Download the M90 Series Data Sheet Here



  • Security Shield - Guards against ice pick attacks
  • Can be keyed alike or master-keyed with other ASSA High Security products
  • Deadbolt: UL fire rated
  • Door thickness: 1-3/8" (35mm) to 1-3/4" (45mm)
  • Available as single cylinder (with thumbturn) or double cylinder
  • Adjustable 2-3/8" (60mm) or 2-3/4" (70mm) backset
  • Steel hardened bolt pin
  • Steel core rosette

ASSA M90 Deadbolt - ANSI/BHMA A156.5 Grade 2 & UL 3 hours fire rating certified Commercial Deadbolt Design for commercial building with Heavy Traffic Applications:

  • High abuse areas
  • High traffic areas
  • Multi family housing
  • Retail complexes


  • ASSA warrants its cylinders and deadbolts against defective workmanship or wear resulting from defects for one year


BHMA Symbol US Symbol Description
605 US 3 Bright Brass
609 US 5 Antique Brass
612 US 10 Satin Bronze
624 US 10B Dark Oxidized Bronze
626 US 26D Satin Chrome

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