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Acorn SM9BG Single Cylinder Deadbolt

SM9BG Acorn

Acorn SM9BG Single Cylinder Deadbolt

Manufacturer: Acorn
Price: $101.38
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Standard - ships within 14 business days.
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More from Acorn
This item ships from MA.
  • Black smooth-iron finish
  • Key Function for exterior thumbturn inside.
  • Backset: Fits 2-3/8" (35 mm) - 1-3/4" (70 mm) backset
  • Door Thickness 1-3/8" - 1-3/4"
  • Door Preparation: 2-1/8" (54 mm) crossbone, 1" (25 mm) edgebore
  • Reversible: fits left or right-hand door without cylinder assembly removal
  • Cylinder: solid brass, five-pin tumbler, nickel silver pins
  • Deadbolt: 1" (25 mm) throw. Square strike, 1-1/8" (28.6 mm) x 2-3/4" (69.85 mm)
Questions and Answers
Q: I have a samsung SHP-DS510 it works until I attach the inside thumb turn face then it wont turn from the key or from the thumb turn as soon as i take the inside face off it works smooth ? any thoughts ?
A: With all instances of deadbolts like this it's just a matter of timing and it does seem counterintuitive that you'd actually have to think about how to time the tailpiece in relationship to the condition of the latch bolt the reality of the situation is that every deadbolt needs to be timed correctly.

I will be the first to admit that when I was new to this business many years ago the timing of the tailpiece was anything but common sense to me.

We do not sell these deadbolts but that problem is super easy.

See step 2 on page 7 here:

Download File

Q: Thanks for the reply this was half of the problem the other half was the sensor magnet needed to be changed to left handed and powered and while powered the magnetic sensor needed to touching to re calibrate the lock into left mode.
A: Thank you for sharing your findings.
Q: What deadbolt can I use for a door thickness of 3-1/4"?
A: I would suggest you use the Kaba Ilco 45 series deadbolt as seen here:

Download File

You would order a double cylinder version of this deadbolt, you then simply order the proper length cylinders required (likely 1-7/8" length for the keyed cylinder and the mortise thumbturn if single cylinder or two mortise cylinders if double cylinder). Reach out to our sales department to confirm correct length of cylinders at the time of order.

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