What is the contact phone number for Helicoil/Emhart? Support January 13, 2021 18:02 Updated Follow The contact for Emhart/Helicoil is listed below. Emhart Technologies50 Technology CenterShelton CT 06484 1-877-364-2781 Related articles What is the phone number for the BLACK + DECKER Service Center in Singapore? Who can I contact for support with BLACK+DECKER compact appliance? How can I look up a Canadian service center near me? What articles are available with general Do-It-Yourself tips and information? What are the model numbers of the paint roller refills available for the BDPR400 Rapid Roller? Comments 0 comments Please sign in to leave a comment.