Bondtech drive gear kit in hardened and surface protected steel. Precision cnc-machined. Super sharp teeths for maximum grip on the filament. The perfect choice for a high-performance feeding system. Extremely high wear resistance for use with abrasive filaments. These drivegear kits come as a set consisting of a primary drive gear, a secondary drive gear, bearings and a shaft. Gear set for filament size 1.75 mm, primary gear with inner diameter 5 mm, secondary gear with two needle bearings, M3x2 setscrew and one 3x20 mm shaft. Gear set for filament size 1.75 mm, primary gear with inner diameter 8 mm, secondary gear with integrated needle bearings, M4x3 setscrew and one 4x22 mm shaft. Gear set for filament size 2.85 – 3.0 mm, primary gear with inner diameter 8 mm, secondary gear with integrated needle bearings, M4x3 setscrew and one 4x22 mm shaft. A Lithium based grease is recommended to use on the gear section and inside the needle bearings for low friction and to avoid wear. A small dab of grease is enough.

Push-fit ECAS 4mm is a Bondtech Spare Part to use on the BMG Extruder and on the DDS for CR-10S when a replacement is needed. Size 4 mm is used with 1.75 mm filament.

Replacement Shaft assembly for our Bondtech Mini Geared (BMG), SingleDirect and DualDirect extruders. It includes the set screw for primary 1.75/5.0 drive gear.Note: New improved revision from Bondtech, where the gear wheel is in white now! For more information see link

Thumbscrew replacement for Bondtech extruder.

Brass heat inserts, specially developed for FDM 3D printed parts and post-insertion.

Miniature ball bearings are deep groove ball bearings in small. Their dimensions make them suitable for special applications. In addition, they allow very high speeds with low noise.