Tool Holder MPN: BT40-EM20-63 (Part # 04-0142)Fan Attachment MPN: 09-0028 (Long version)Taper Size: BT40Holder Type: Side-Lock End Mill HolderBore Diameter: 20mmGage Length: 63mmCoolant Capability: Through-Tool Coolant (TSC) capableMax Tool Holder Rated Speed: 20,000 RPM (Balanced to G2.5)
Fan Operating Speed: 5,000 – 8,000 RPM (Max limit, do not run fan at tool holder's 20k max)Country of Origin: Made in USA (Fan)Item DescriptionUp for sale is a premium Haas Tooling CNC combo package: a Haas BT40 20mm End Mill Holder (04-0142) pre-assembled with a genuine Haas Chip Clearing Fan (09-0028).
Features a 20mm bore, 63mm gage length, and Weldon flat side-lock clamping. It is through-tool coolant (TSC) capable with a standard M16x2.0 pull stud thread.Haas Chip Clearing Fan (09-0028): The 20mm shank "Long" variant featuring heavy-duty glass-fiber reinforced nylon folding blades that deploy automatically via centrifugal force when spun.
MariTool Retention Knob / Pull Stud: Pre-installed on the tool taper body (marked PS-11128A-HS).