Miniature herringbone gears Image credit: Run Ryder | Perpendicular herringbone gears Image credit: Wikimedia | Crossed double helix gear Image credit: 1 DKM 2B. Herringbone gears, also called double helical gears, are gear sets designed to transmit power through parallel or, less commonly, perpendicular axes. The unique tooth structure of a herringbone gear consists of two adjoining, opposite helixes that appear in the shape of the letter 'V'.
More Dell - Tech Support 800 numbers and support. This is the best of 11 ways to contact Dell - Tech Support according to 330378 GetHuman users. Below you can compare the many ways to contact Dell - Tech Support customer service. 877-293-1197.
Dell Technical Support and Customer Care Phone Number: 1-800-879-3355. Above mentioned number is Dell technical support phone number and this number is also for Dell customer care phone number. If you are the customer of Dell and if you have any technical issue or need support just make a call to this number to get assistance.