This standard specifies four types of standard connectors for connecting dental handpieces to dental equipment hoses. The dental equipment hoses can provide water, gas, light, electricity and exhaust to the handpieces. The purpose of this standard is to achieve reliable interchange between hoses and handpieces.
YY/T 0514-2009 Referenced Document
GB/T 193 General purpose metric screw threads--General plan
YY/T 0514-2009 history
2018YY/T 0514-2018 Hose connectors for dental pneumatic dental handpieces