A herringbone gear, a specific type of double helical gear, is a special type of gear that is a side to side (not face to face) combination of two helical gears of opposite hands.
Top Reasons to choose us for Dell Support: Dell Tech Support Phone Number 1-844-395-2200 (Toll-free) When you realize your problem is not getting fixed, you can dial our Dell technical support phone number that is open 24-hour to assist you with quick results.
We have a few other tricks to try if you're calling Dell (UK), and if you are already viewing this on a phone or call-capable device, then you can click or tap below to just start a call. 1  Have Dell (UK) call you insteadCall Dell (UK) using our web-phoneDial +441344860456 now.