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To help identify the quality and durability of locksets and deadbolts,
the American National Standards Institute (ANSI) — has established
three grades or standards for door locks. Each product must pass a series
of operational and security tests. Grade 1
Meets commercial building requirements
Provides the best residential security available
Knobs
- 800,000 cycles
- 6 door strikes
- 360 pound weight test
Deadbolts
- 250,000 cycles
- 10 door strikes (hammer test)
Grade 2
Meets light commercial and exceeds residential building requirements
Exceeds standard residential security requirements
Knobs
- 400,000 cycles
- 4 door strikes
- 250 pound weight test
Deadbolts
- 150,000 cycles
- 5 door strikes (hammer test)
Grade 3
Meets residential building requirements only
Provides minimal residential security
Knobs
- 200,000 cycles
- 2 door strikes
- 150 pound weight test
Deadbolts
- 100,000 cycles
- 2 door strikes (hammer test)
Every Schlage lock and deadbolt undergoes the following
tests to determine their grade level:
- Cycle tests
- Door impact tests
- Bolt strength tests
- Resistance tests
- Warped door tests
Only Schlage offers Grade 2 Maximum
Security locks that provide the Grade 1 security features usually reserved
for commercial buildings. Grade 1 Security Features of
Schlage Maximum Security Locks IMAGE: 3" screws
3" screws with steel door frame reinforcer protect against violent
forced entry attacks. IMAGE: Kick-in attack 1" deadbolt
with steel inner core provides Grade 1 security against kick-in and saw
attacks. IMAGE: Hammer attack Solid, one piece design
provides Grade 1 security against hammer and crow bar prying attacks.
IMAGE: Cylinder attack The brass key cylinder provides Grade
1 Security to prevent key cylinder from being knocked out. Schlage
also offers Maximum Security Combo Packs combining the best deadbolt security
with the attractive styling of Schlage handlesets, levers and knobs.
IMAGES: Schlage Max. Security packages CAPTIONS: Maximum Security
Handleset Lever / Maximum Security Knob
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