3d printer-flex coupling 8mm to 5mm:
- a 3d printer flex coupling (8mm to 5mm) is a flexible connector that joins a stepper motor's 5mm shaft to an 8mm lead screw or drive rod.
- it compensates for minor misalignments, reduces vibrations, and ensures smooth torque transfer.
- it's commonly used in 3d printers and cnc machines for precise motion control in axes or lead screw-driven systems.
Specifications:
- type: pillow block bearing with 8mm bore.
- inner diameter (bore size): 8 mm.
- outer housing material: zinc alloy.
- bearing type: insert ball bearing with set screws for shaft fixing.
- dimensions:
- base length: ~24 mm.
- base width: ~18 mm.
- height (from base to shaft center): ~5 mm.
- mounting holes: two 6 mm diameter holes for secure attachment.
- mounting hole spacing: 35 mm (center to center).
- fixation: equipped with two set screws to secure the shaft.
- weight: ~14.6 grams per unit.
- application: ideal for supporting rotating shafts in small machinery, 3d printers, and cnc machines. M3 threaded inserts are small metal components with internal m3 threads.
They are embedded into materials like plastic, wood, or soft metals to provide durable and reusable threads for m3 screws.
Commonly used in 3d printing and diy projects, they improve the strength and longevity of connections, especially in parts subject to frequent assembly and disassembly.
Specifications:
- thread size: internal threads for m3 screws (3 mm diameter).
- outer diameter: 4mm.
- length: 5.5mm.
- material: brass, stainless steel, or zinc alloy for durability and corrosion resistance.
- installation method:
- heat-set inserts: designed to be melted into plastic using a soldering iron.
- press-fit inserts: pressed into a pre-drilled hole.
- thread type: metric thread (m3 x 0.5 mm pitch).
Applications:
- used in 3d printed parts, wood, or soft materials to create strong, reusable threads.
- ideal for assemblies requiring repeated screw insertions and removals.
- flange (optional): some variants have a flange for added stability.
What's in the box
1 x Threaded Inserts M3
