510 battery connectors

[shaun1578]

looking to build my first battery mod now im not electronics stupid by any means but however i do believe in doing my research i plan on using a evolv dna 20 board and 2 ncr 18650 batterys rated at 3400 mah each wired in paralell what im not sure is how the 510 battery connector is secured to the box are they press fit do they use some sort of securement nut ive found allot of info on the web about everything else but how the connector is secured to the box any incite or tutorial on this matter would be greatly appreciated as i dont like going into a project blind thank you for taking the time to respond

 

[shaun1578]

510 to 510 adapter | extender
at last a threaded 510 connector not to keen on the press in type