BT30 Tool Holders - BT30 Drill Chucks, BT30 End ... - MariTool
BT30 Tool Holders Click the category links below to view products Like CAT Tooling, BT Tooling comes in a range of sizes designated as BT 30, BT 40, BT 50, etc. and uses the same NMTB body taper as CAT 40.BT tooling is symmetrical about the spindle axis, which CAT tooling is not. This gives BT tooling greater stability and balance at high speeds.
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