If you want with soldered wire , you can refer to this link 

HS3381 10pcs PBS-33B 12mm Momentary Push Button with 20cm wire

https://www.haitronic.cn/index.php?route=product/product&product_id=5017&search=PBS-33B

HR0589 10pc PBS-33B 12mm  Momentary Push Button

^{Distinctive Features:}

^{The Anti vandal switches offer attractive, robust and durable switches, available with different bushing diameters, actuator shapes, bushing and actuator materials.}

^{Variety of Material}

^{1,000,000 cycles momentary}

^{Anti-Vandal IK09/ Sealed IP65}

^{Square and round versions available}

^Functions:

^{NO Function}

^{Momentary: Means that when you push switch and then move your finger, the actuator will back to the original position.}