ORF-M6xØ0.5 - ORIFICE M6 BRASS
https://www.deltapsystems.com.au/shop/orfm6x0-5-orf-m6xo0-5-orifice-m6-brass-875
https://www.deltapsystems.com.au/web/image/product.template/875/image_1920?unique=97c191f
USE M3 HEX-KEY
RECOMMEND 5NM WITH -222 SCREW LOCK
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