... : round , hexagon, octagon , prismatic ,square .etc. 3. Fuction : Cup , lighting ,industry , speaker .etc. 4. Max size and precision degree : 1.22x2.44m ... ,thickness can be reach 1mm. 5. Mim size and precision degreee : diameter 0.3mm hole can be stamped if there ... ! www.dgbosi.en.alibaba.com or www.dgbosi.com high precision stamping stainless steel mesh with diameter 0.6mm hole Bosi ...