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BT40-OZ25-80 BT Tool Holder For Milling Machine Chuck DIN6391

Basic Information
Place of Origin: CHINA
Brand Name: QFMH
Model Number: BT30,BT40,BT50
Minimum Order Quantity: 10PCS
Price: USD 10/PCS
Packaging Details: PLASTIC BOX
Delivery Time: 5DAYS
Payment Terms: L/C, T/T, Western Union
Supply Ability: 1000PCS/MONTH
AppliCATEion: Cnc Milling Brand: BT
Cutting Edge Diameter: 15mm Material: 20CrMnTi
Model: BT50 Oz32 Overall Length: 100mm
Quantity: 2pc Shank Type: BT Oz
Type: Tool Holder Weight: 0.2kg
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BT40-OZ25-80 BT Tool Holder




Milling Machine Chuck DIN6391

BT40-OZ25-80 Heavy Cutting bt Tool Holder for Milling Machine milling cutters mill chuck


The BT-OZ milling cutter chuck tool holder is suitable for heavy-duty cutting milling machines. The handle is designed with steel ball nuts to increase clamping force, and the entire handle has through-holes, which is beneficial for water and earthquake. The BT-OZ chuck can be used for clamping various sizes of straight shank tools, such as milling cutters, drill bits, and tapping cutters, in various drilling machines, milling machines, lathes, etc. Mechanical spindles, cutting tools, and other accessories. High precision BT tool handle, balance G6.3 or G2.5 available for selection.


High precision OZ chuck DIN6391 has four commonly used models of BT50 heavy-duty cutting CNC tool holders, which are made of titanium alloy 20CrMnTi. The hardness of the BT OZ chuck tool holder is 58-60 degrees, and the accuracy of the BT OZ chuck is 0.005mm. The BT50 heavy-duty cutting CNC tool holder is treated with carbon and nitrogen, making it wear-resistant and durable. The BT OZ chuck has good dynamic balance performance, strong stability, and high precision in repeated clamping. The BT OZ chuck can be used to clamp drill bits, milling cutters, and tapping cutters. Counterweight cutting cylinder clamp and heavy cutting nut. The BT OZ chuck is suitable for heavy-duty cutting, and the handle is designed with steel ball nuts to increase clamping force. The entire handle has through-holes, which is beneficial for waterproofing and seismic resistance.



BT OZ CNC tool holder chuck


Cooling: AD/AD+B


Taper tolerance:<AT3


Carbon depth: 0.8mm ± 0.2mm


Surface roughness: Ra<0.005mm


CNC tool holder accuracy: < 0.005mm


The CNC tool holder is made of alloy steel, which has good core strength and long wear life.


Tapered shank Case-hardening to 58-62 HRC


Taper grinding to AT3 or higher precision standards to achieve maximum contact with the spindle


All key surfaces of the collets have undergone precision grinding


Dynamic equilibrium to 15000 RPM at all positions of G6.3 can be achieved through Haimer balancing machine to achieve consistent balance, and G2.5/25000 RPM can also be provided.


Model D2 L D L1 Collets
BT40-OZ25-80 3-25 80 60 30 OZ25
BT40-OZ25-120 3-25 120 60 30 OZ25
BT40-OZ32-80 6-32 80 72 33 OZ32
BT40-OZ32-150 6-32 150 72 33 OZ32
BT50-OZ25-90 3-25 90 60 30 OZ25
BT50-OZ25-130 3-25 130 60 30 OZ25
BT50-OZ32-105 6-32 105 72 33 OZ32



Appearance precision machining, chemical nickel plating, improved corrosion resistance, wear resistance, and corrosion resistance, better achieving rust prevention effect. BT NO cone handle adopts MTA3 standard inner and outer cone coaxiality of 0.005mm. The existing lengths of 60L, 100L, 120L, 150L, and 200L can also be customized according to customer requirements. The dynamic balance design is simple and easy to operate, with simple clamping and high cost-effectiveness. Novel appearance, convenient and fast use, Dynamic equilibrium, high-speed handle design structure, can improve your work efficiency and greatly save your production costs


BT OZ collet chuck


Contact Details

Phone Number : 13705473076

WhatsApp : +8613705473076