VT 510 BF V2 - Bottom Feeding 510 V2 - Self-Adjusting
VT 510 BF V2 - Bottom Feeding 510 V2 - Self-Adjusting

VT 510 BF V2 - Bottom Feeding 510 V2 - Self-Adjusting

Your Price: $6.99
Retail Price:$7.79
Your Savings:$0.80(10%)
In Stock
Part Number:VT_510-BF-V2

Choose Options

Diameter Size
V2 22mm SS
V2 Black 22mm [+$0.50]
V2 25mm SS
V2 Black 25mm [+$0.50]
Quantity Pricing
  • 2 - 5
  • $6.25
  • 6 - 20
  • $5.99
  • 21 - 50
  • $5.49
  • 51+
  • $4.99

Highly anticipated & long overdue .. The VT_BF_V2 bottom feeding 510 is here. We sent ourselves to wave spring design school and designed a spring from the bottom up and the connector around it to match. Then we up'd the game and gold plated the SS center pin and negative & positive nuts. Then we went 1 step further to offer a silver plated nut add-on for hard strike mechs where needed. We'll make this standard in the future.

The end result is a much shorter overall connector with superior contact surfaces, linear high spring strength, and same solid sealing expected from our bottom feeding 510. Only the best materials SS304, SS17-7PH, PEEK insulators.


A note on plating:  For regulated devices and where no arc will be present, Gold Plating is perfectly adequate.  However, if you are using one of the connector nuts to make a direct mechanical contact to complete the circuit you will be creating an Arc.  For an "Arc" application silver plating is the more durable and preferable choice.  On the other hand if your mechanical design incorporates a separate strike tab (lug) to make contact from your switch then the plating won't matter as the Arc occurs at the point where contact is made.

Assembly tip - Prior to installing drip some VG, Food Safe Silicone, OR disassemble and lube up the O-ring and inside of the insulator using some VG and then re-assemble.  Tolerances are tight and the O-ring enjoys some lubricant to aid movement.  Once and atty is on it will be constantly lubed :)

Here's the specifics:

- 22 & 25mm diameter landing pad
- Low profile 1mm thick Landing Pad
- Available in Black or SS
- Stainless construction including the center pin
- High Temp Insulators
- Durable O-ring seals
- Gold Plated SS Center Pin
- Gold Plated Positive and Negative nuts (Silver coming)

Assembled length - 21mm

Ultra low profile Smooth Top Landing Pad, self-adjusting spring loaded center pin, brass backer nut for solid and secure installation.  

Made of Stainless, Brass, & High Temp insulating material this connector is the squonking 510 you have been looking for.  
  • The spring carries no electrical load!
  • Made of Stainless with High Temp Insulator - rated for 450F degrees continuous service
  • Body threading - M10x0.5 - 10mm diameter ... about 3/8"
  • Ring Terminal for ground connection included
5 Stars
Great quality bf 510, its just a lil long
Varitubes bf 510 v2 connector is very nice. I got this to replace a very leaky 510 on my VTX DNA250c squonk mod, which I tried everything I could to get it to stop leaking but was unable to. I looked around for a replacement bf 510 and everything I found came from either oversees or was out of stock until I found Varitube, and I'm glad I did. I purchased this 510 connector, it came with everything needed, the quality is very nice, machining is great, threads are very smooth, all o rings fit perfectly and are nice and snug, no leaking at all. The only issue I came across was this 510 connector is quite long, I had to modify the housing of my mod to get this to fit, but once I did it fit great. Install was very easy, it came with washer to solder your connections to if u don't want to solder directly to the connector. Which is a very nice option. If they were able to shorten this connector up just a lil it would be perfect. I am super happy I purchased this bf 510, also I made a mistake when placing my order, I accidentally ordered the wrong size, but I messaged Varitube, they responded quickly and they were able to change it out for the actual size I need. Overall I give Varitube a 5 out of 5 but I give the bf 510 connector a 4 out of 5 just because of how long it is.
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Reviewed by: (Verified Buyer)  from California. on 8/19/2021
5 Stars
VT 510 BF
This is a good replacement for the Moddog 510, which is not available to get anywhere in the U.S. that came with my Cloak V2. Had to add a contact to the 510 to get it to work. Thanks for the 510
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Reviewed by: (Verified Buyer)  from Las Vegas. on 6/9/2021
5 Stars
Nice BF 510
Very well made and nice craftsmanship. Works great and looks sharp. Easy to install. Got this for building my first squonk mod and I'm very satisfied with it. Highly recommend. Excellent service and quick delivery from Varitube as well.
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Reviewed by: (Verified Buyer)  from Mobile AL. on 3/19/2021
5 Stars
Perfect fit!
Ordered the all black V2 BF 22mm 510. Shipping was lighting fast, packaging was great, very easy to install. I had to look up online how to properly put it together. It’s my first Varitube 510, only used ModDog 510’s in the past. For the price and performance Varitube knocked it out of the park with this spring loaded 510 connector allowing for easy fit for any atty.
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Reviewed by: (Verified Buyer)  from Bloomington. on 5/15/2020
5 Stars
better than version 1
ive build a few mods and bought a version 1 regular 510 from veri tube a year or two ago. I like this new set up much better
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Reviewed by: (Verified Buyer)  from . on 3/25/2020
5 Stars
Love the design of this!
Love the design of this 510 connector over others! Simple, straightforward, and effective Took a lot of the fuss out of installation Only thing I could possibly suggest as an improvement would be a larger hole through the contract on for juice flow.
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Reviewed by: (Verified Buyer)  from Spencer, WV. on 10/25/2019
5 Stars
finaly state of the art
I got a real great REBEL mod but only with this 510 it got realy tight dry. Also the adjustability in depht of the 510 got increased. Great product. ALL my future projects will be equiped with VARITUBE, the only. P.S: ...and I tried a lot of different and even more expensive connectors that failed.
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Reviewed by: (Verified Buyer)  from Switzerland. on 5/15/2019
5 Stars
Beefy PEEK insulator
very nice upgrade for my DIY DNA75c Kit center goes through from the top and nut locks it in from the bottom, very solid design.
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Reviewed by: (Verified Buyer)  from NYC. on 8/6/2018
5 Stars
V2 510
I dont notice a difference from v1 to v2 except for length..was expecting more i geuss let down as far as conductivity it does but not great..... I think it would work great for regulated needs but for mechanical nope not doing it for me... Geuss im to used to moddog or svf 510s???
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Reviewed by: (Verified Buyer)  from Gville. on 5/4/2018

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