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Lockset Installation Jig – 70 mm / 2-3/4″ Backset – 45 mm Door — image 1
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Lockset Installation Jig – 70 mm / 2-3/4″ Backset – 45 mm Door

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Jdub

@Jdub_295116

A remix of the 45 mm lockset installation jig modified from a 60 mm backset to a nominal 70 mm (2-3/4″) backset. Designe

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Updated at source:

Model information

Source
Printables
Category
Other House Equipment
License
Creative Commons — Attribution — Noncommercial — Share Alike
DetailsFiles (1)Makes & comments (Makes: 0) (Comments: 0)Remixes (0)Collections (0)Related

Dimensions

  • Door thickness: 45 mm

  • Backset: 70 mm nominal / 2-3/4″

  • Main guide opening: 55 mm clearance for a 54 mm / 2-1/8″ hole saw

  • Original edge-bore and clamping geometry retained

  • Print at 100% scale

This was made for installing a Yale YRD256 Assure Lock SL, but it should work with other deadbolts using the same standard dimensions.

This was made for installing a Yale YRD256 Assure Lock SL, but it should work with other deadbolts using the same standard dimensions.

Important

Always place the jig on the door and confirm that the guide is centred correctly before drilling. When enlarging an existing bore, drill partway from one side and complete the cut from the opposite side to reduce tear-out.

The STL has been checked and is watertight, consistently wound and valid for slicing.

Suggested Print Settings

  • Material: PETG preferred; PLA should be sufficient for occasional use

  • Layer height: 0.20 mm

  • Walls/perimeters: 4–5

  • Infill: 25–35%

  • Infill pattern: Gyroid or cubic

  • Scale: 100%

  • Supports: Use the same orientation and support settings recommended for the original model

Remix Changes

  • Increased backset from 60 mm to 70 mm

  • Shifted the complete main bore-guide section by 10 mm

  • Lengthened only the connecting bridge

  • Left the door-edge and clamping section unchanged

  • Preserved the original guide diameter and 45 mm door fit

Tags

lockset jig, door lock jig, deadbolt jig, Yale, YRD256, Yale Assure Lock SL, 70 mm backset, 2-3/4 backset, 45 mm door, hole saw guide, woodworking tool, installation jig