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.
Dell Tech Support Telephone Numbers for Canadians (or those in Canada) Here are the Dell Tech Support Telephone Numbers for Canadians. For US Technical Support Phone Numbers, go here. Although all numbers are 24/7, I recommend calling during normal business if possible. The best techs probably don't like working the graveyard shift (though I'm sure that all good techs do start out with crummy hours).