Hardware

M4X4 Set Screw  12.9 Grade Flat Point Uses 2mm Hex Key Driver Includes: Set screw (1 pcs)

M4X5 Set Screw 12.9 Grade Flat Point Uses 2mm Hex Key Driver Sold in units of one.    

Bondtech M3 Thread Insert  Sold in units of 1 Thread size: M3 Insert Length: 5.2mm Recommended hole diameter: 4mm For easy installation use the Heat-Set Insert Soldering Iron Tips

Bondtech M4 Thread Insert  Sold in units of 1 Thread size: M4 Insert length: 5.5mm  Recommended hole diameter: 5.6mm For easy installation use the Heat-Set Insert Soldering Iron Tips

Bondtech M5 Thread Insert Sold in units of 1. Thread Size: M5  Insert length: 6.6mm Recommended hole diameter: 6.2mm For easy installation use the Heat-Set Insert Soldering Iron Tips