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Satin chrome entry knob set with keyed cylinder and turn button

Yale Security Inc.

Yale Security Inc. 5407-CA 5400 Series 26D Grade 1 Keyed Entry Knob Set

SKU CH-S1D7-4XEYB

Grade 1 keyed entry knob set with heavy-gauge steel mechanism, satin chrome finish and 6-pin brass cylinder for commercial security

  • FinishSatin Chrome
  • Selling UnitBox
  • TypeEntry
  • Grade 1 security meets the highest ANSI/BHMA standard
  • UL fire rating protects openings for up to three hours
  • 5400 Series heavy-gauge steel mechanism resists forced entry
  • Adjustable fit covers door thicknesses from 1-3/8" to 2
  • Brass 6-pin cylinder with two keys provides keyed entry convenience

Yale 5407-CA Grade 1 Knob Set

This Yale 5407-CA knob set belongs to the 5400 Series Heavy Duty Commercial Collection and meets ANSI/BHMA A156.2 Grade 1 requirements. It provides keyed entry for doors where the highest level of security and durability is specified.

UL fire-rated up to 3 hours

The lock mechanism uses heavy-gauge steel that is zinc-plated and dichromated for corrosion resistance. A 1/2-inch stainless-steel latchbolt and a guardbolt that deadlocks the latch when the door is closed complete the UL fire-rated assembly.

Brass 6-pin cylinder with two keys

A brass 6-pin cylinder is supplied keyed-random with two keys. The set is non-handed and adjustable for door thicknesses from 1-3/8 inches to 2 inches, while a 1-1/4-inch curved-lip strike suits standard 1-3/4-inch doors.

Highlights

  • Grade 1 security meets the highest ANSI/BHMA standard
  • UL fire rating protects openings for up to three hours
  • 5400 Series heavy-gauge steel mechanism resists forced entry
  • Adjustable fit covers door thicknesses from 1-3/8" to 2
  • Brass 6-pin cylinder with two keys provides keyed entry convenience

Specifications

FinishSatin Chrome
Selling UnitBox
TypeEntry

Questions about this item

How do I install the Yale 5407-CA knob set, and what step is often missed?

Fit the latch into the 2-3/4" backset bore, mount the chassis through the 2-1/4" x 1-1/8" front, then install the strike. The step often missed is adjusting the latch for the actual door thickness between 1-3/8" and 2".

What maintenance or replacement will the Yale 5407-CA need later?

Periodically lubricate the latchbolt and guardbolt with dry graphite. Replace the 6-pin brass cylinder if keys are lost or the keyway wears, and swap the 1/2" stainless steel latchbolt if the throw becomes sluggish.

What limit appears first on the Yale 5407-CA under sustained use?

The Grade 1 cycle rating defines the mechanical endurance limit. The 1/2" stainless steel latchbolt throw and deadlocking guardbolt will show wear before the heavy-gauge steel chassis reaches its rated cycles.

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