A nozzle looks like a simple brass fitting, but its single drilled hole is the most tightly controlled feature on a gas burner. The difference between a good nozzle and a bad one is invisible to the eye — it lives in the aperture tolerance. For parts wholesalers, understanding how nozzles are made and checked is the key to buying quality instead of just price.
The nozzle aperture meters gas flow, and gas flow controls heat output and combustion quality. A hole drilled a few hundredths of a millimeter too large over-fuels the burner; too small starves it. This is why a nozzle rated at, say, 0.73mm must actually measure 0.73mm — not approximately. Tight tolerance is what makes a stove burn cleanly and safely, and it is the difference between a reliable part and a liability.
Quality nozzles start with the right brass, then are machined in stages. The body is turned to the correct diameter and the M6x0.75 thread is cut, then the aperture is drilled with a precision micro-drill and — on higher-spec nozzles — finished with a reamer to hold tolerance. The result is a calibrated orifice that meters gas consistently across thousands of pieces.
THREEMI manufactures nozzles in 16 aperture sizes from 0.45mm to 1.35mm on a unified M6x0.75 thread, with precision drilling and inline QC in our own factory. That means the aperture tolerance your customers rely on is controlled at the source. Factory-direct pricing and carton MOQ let you stock a range you can stand behind.
THREEMI is the export brand of Shenzhen Sanmi Manufacturing Co., Ltd., a professional gas stove and kitchen appliance factory in Guangdong, China. With 400+ employees, a 20,000㎡ production facility, and an annual output of 3 million units, we serve wholesalers, distributors, brand owners, and e-commerce sellers in over 30 countries. Our factory is certified ISO9001, CCC, CE, UL, GS, ETL, NF, and SASO.
We supply the complete gas stove parts range — SABAF-compatible burner caps, nozzles (0.45mm–1.35mm), flame spreaders, burner sets, ignition parts, thermocouples, and valve bodies — factory-direct at wholesale prices with flexible carton MOQ.
WhatsApp: +86 186 7003 0673
Email: logan@threemi.com
Website: www.threemi.com
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