300-Piece Heat-Set Threaded Insert Assortment

This 300-piece kit includes 50 brass inserts of each size from M2 to M6, designed to strengthen and extend the life of 3D printed parts.

• The description claims that the brass inserts improve load distribution and reduce wear from repeated assembly and disassembly.
• The description claims that brass is corrosion resistant and suitable for both indoor and outdoor use.
• The description claims that the inserts have a tapered shape with fins to help prevent pull-out.