Knob — Counter-Bored
 
  • Mates with all Model 438 Cylinder Locks
  • Counter-bored holes allow knob to be fastened from the top for face-mounting
  • 2.112" H. x 1.463" Dia.
  • Three counter-bored holes for 1/4" cap screws with .250" location hole
 
Catalog # Description Price
PD438CB Counter-Bored Knbo $76
PD438DOWEL Center Alignment Dowel for PD438T & PD438CB Knobs $2.50
 
Knob — Self-Alignment
 
 
  • Mates with all Model 438 Cylinder Locks
  • Designed to self-align. Knob mounts through clearance hole
  • 2.112" H. x 1.463" Dia.
  • Center tapped with 1/2-13
Catalog # Price
PD438SA $50
 
Knob — Stud
 
 
  • Mates with all Model 438 Cylinder Locks
  • Designed to locate and withstand high-shear loads
  • 3.125" H. (overall) x 1.462" Dia.
  • Locating Boss, 1.000" Dia. x .250" H, with a 5/8"-11 stud 3/4" long
Catalog # Price
PD438STD $96
 
 
Knob — Sliding Expansion
 
 
  • Mates with all Model 438 Cylinder Locks
  • Allows for thermal axial expansion
  • Slides laterally 1/8"
  • 2.500" H. (overall) x 1.500" Dia.
  • Retainer Ring: 2.750" Dia. x .375" Thick
  • Four counter-bored holes for 1/4" bolts
Catalog # Price
PD438SXP $96
 
 
 
 
   
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