JiaLiChuang CNC 20 Series Aluminum Profile Drilling Jig - Free 3D Print Model

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The tool is an auxiliary positioning drilling jig for **20 series aluminum profiles**, used for quick, repeatable, and highly consistent drilling positioning on the end face or side of aluminum profiles. The jig combines preset hole positions with the profile's datum edge, helping users achieve **quick alignment, stable clamping, and repeatable positioning** during processing, thus reducing manual marking errors and improving drilling efficiency and assembly consistency

This jig is suitable for scenarios such as personal DIY, equipment frame construction, small-scale automation structure production, 3D printing auxiliary mechanisms, and tooling fixture manufacturing, especially for processing tasks requiring batch replication of hole positions

JLCCNC Free Prototyping: https://www.jlc-cnc.com/ac/ACUHiDI0/CPtD74jN

Auxiliary Hardware Configuration

This set of **JLCCNC 20 Series Aluminum Profile Drilling Jig**, in addition to the jig body, includes the following auxiliary hardware

M5 T-slot bolts × 10
Used to secure the jig within the 2020 aluminum profile slot
M5 thumb nuts × 10
Used with T-slot bolts for quick installation, removal, and tightening
M5 washers (metal or nylon) × 10
Used to increase the force-bearing area, reduce indentations, and improve tightening stability
M14×1.5 drill bushings
- 6mm × 4
- 8mm × 4
- 10mm × 4
  For guiding drills of different diameters, improving drilling accuracy, and reducing drill bit deviation
M14×16×1.5 copper washers × 4
Used for drill bushing installation to provide cushioning, snug fit, and auxiliary fixation
M14×1.5 tap × 1
For threading related to the jig or for later maintenance and drill bushing replacement
2020 aluminum profile auxiliary section 8cm × 1
For jig installation testing, auxiliary positioning, or as a demonstration accessory

Note: To ensure the coaxiality and positioning accuracy after drill bushing installation, the relevant mounting holes need to be manually threaded with an **M14 tap**. The kit provides auxiliary tapping tools, which are convenient to use and facilitate quick installation

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