Suit for a science DIY projects such as rc model car, model electric robot and windmill, education such as displaying how gear rates work, and any other family small motor DIY project. Hole: 2mm (fit 2mm shaft tightly).
eBay
Explore our range of Pocket Essentials and Adventure Bits, featuring compact survival tools and pocket-sized problem-solvers that belong in every man's kit. That's why we've curated a sharp, functional collection of essentials built for those who value simplicity, strength, and style.
eBay
▫️ 2B indicates a centre shaft of 2.05mm; with a 2mm optical axis, a loose fit. The centre axis is 2.05mm; it is loosely fitted with a 2mm optical axis and rotates freely on the optical axis. ▫️ 2.5B indicates a centre axis of 2.55mm; loosely fitted with a 2.5mm optical axis.
eBay
Material：Plastic. Color：White.
eBay
Features: big gear, 0.5 module, plastic gear model toy diy. Purpose: DIY production. Module: 0.5M.
eBay
Number of Teeth: 7-18T. Application:Mainly used for the assembly of model toy cars or small engines, such as hollow cup 130.140.260.370 engines. Type: Plastic Gear. Material: Plastic.
eBay
50 x Plastic Gears. Suit for a science DIY projects such as rc model car, model electric robot and windmill, education such as displaying how gear rates work, and any other family small motor DIY project.
eBay
(1) When installing this pinion gear, be sure to press the rear cover of the hollow cup motor to avoid the accident of the motor cover being pushed out by the shaft; therefore, the hole is small, and it is possible to use too much force to cause the gear to fly out, so be sure to find a place where there is little debris and open and tidy place to do the installation, so that even if the gear flew out, it can be recovered.
eBay