Here is a handy chart to help you select the drill bit size for your chamber. Not always exact. We size the bits a little smaller than the port so you don't break them. For cleaning internals, we strongly recommend our tip cleaner: Click this link: Tip Cleaner Tool. It doesn't break inside your chamber. We listed our more popular brands. Graco AP, Probler P2, Binks ST1.

Contact SPF Depot for all your needs and questions. Over $1m inventoried with a SAME DAY SHIPPING. 25Years in business and exporting to over 50 countries.