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BT DUAL-CONTACT TAPER | ER COLLET HOLDERS | TOOL HOLDERS
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Accuracy
At BT Dual-Contact ER Collet Holders from PAC Precision Tools offer enhanced spindle interface stability through dual contact at the taper and face. This design significantly increases rigidity and reduces deflection under heavy cutting loads.
Dimensions
Features
- Balanced to 25,000 RPM at G2.5
- Holder taper designed for dual-contact spindle compatibility
- Standard Flange Coolant AD+B feature on all CAT dual-contact holders
- Corrosion-proof construction with a special rust-preventive coating
- Accuracy: 0.0001" TIR or better
- AT3 class precision taper
- Standard through-tool coolant capability
- High-precision pilot holes for accurate tool positioning
- Hardness: HRC 56–58
- Carbon depth: 0.8mm ± 0.2mm
- Surface roughness: Ra < 0.005mm
- Manufactured from case-hardened alloy steel
- Precision-balanced nuts individually balanced to 25,000 RPM
Frequently Asked Questions
1. What is a BT Taper ER Collet Holder?
A BT taper ER holder is designed for CNC machines using BT spindles, offering a symmetrical design and excellent balance at high RPMs.making it ideal for high-speed machining.
2. What are the benefits of using PACTools BT Taper holders?
BT holders offer excellent balance, rigidity, and repeatability. Their symmetrical flange design ensures minimal vibration at high RPMs.
3. Which sizes are available in BT Taper ER Holders at PACTools?
PAC Precision Tools USA supplies BT30, BT40, and BT50 ER Collet holders to fit a variety of CNC machines covering a wide range of machining needs. You can contact us here +1 262-282-2456 or email us at sales@pactoolsusa.com to know more
4. What’s the difference between BT and CAT Taper holders?
BT holders have symmetrical flanges and metric threads, while CAT holders have an asymmetrical flange and inch threads. Making better balanced and ideal for precision work, while CAT holders suit heavier operations.
5. Do BT holders support coolant-through systems?
Yes, BT holders support coolant-through systems. These are specifically manufactured to allow coolant to pass from the machine spindle, through the holder, and directly to the cutting edge of the tool for better heat control and tool life. It is very important for high-machining operations.
6. How can I maintain my BT Taper ER Holder?
Maintaining your BT Taper ER collet holder primarily involves rigorous cleanliness, regular inspection for wear, and proper storage in a clean and dry place to avoid rust and damage. Regularly clean the taper and threads, and use the recommended torque values during clamping. These practices ensure optimal performance and longer tool life.
Quick Link
- Tool Holders
- ER Collet Holder
- ER Collet Holders-CAT Taper
- ER Collet Holders-CAT(DCAT) Dual-contact
- ER Collet Holders-BT Taper
- ER Collet Holders-BT(DBT) Dual-contact
- ER Collet Holders-HSK Taper
- ER Collet Holder - HSK Coolant Tube
- End Mill Holders
- End Mill Holders - CAT Taper
- End Mill Holders-CAT(DCAT)Dual-contact
- End Mill Holders-BT Taper
- End Mill Holder-BT(DBT)Dual-contact
- End Mill Holder-HSK Taper
- End Mill Holders-Set Screw And HSK Coolant Tube
- Shrink Fit Holders
- Shrink Fit Holder-CAT Taper
- Shrink Fit Holder-CAT(DCAT)Dual-contact
- Shrink Fit Holder - BT Taper
- Shrink Fit Holder - HSK Taper
- Face Mill Holders
- Face Mill Holders-CAT Taper
- Face Mill Holders-CAT(DCAT)Dual-contact
- Face Mill Holders-BT Taper
- Face Mill Holders-BT(DBT)Dual-contact
- Face Mill Holders-HSK Taper
- Face Mill Holders-Lock Screw and HSK Coolant tube
- Hydraulic Holders
- Hydraulic Holders-CAT Taper
- Hydraulic Holders-BT Taper
- Hydraulic Holders-HSK Taper
- Power Milling Holders
- Power Milling Holders-CAT Taper
- Power Milling Holders-CAT(DCAT)Dual-contact
- Power Milling Holders-BT Taper
- Power Milling Holders-BT(DBT)Dual-contact
- Power Milling Holders-HSK Taper
- Quick Change Tapping Holders
- Quick Change Tapping Holders-CAT Taper
- Quick Change Tapping Holders-BT Holder
- Quick Change Tapping Holders-HSK Taper
- ER Straight Shank Holders
- ER Straight Shank Holders-Single Ended
- ER Straight Shank Holders-Double Ended
- Collets
- ER Collets
- ER Steel Sealed Collets
- ER External Coolan Collet(Jet Spray)
- ER Tap Collets
- ER Tap Steel Sealed Collets
- Reduction Sleeves for Hudraulic Chuck
- ER Floating Tap Collet
- DNA(Dead Nuts Accurate) Collets
- SK Collets
- DA Collets
- DA Sealed Collets
- TG Collets
- TG Sealed Collets
- TG Tap Collets
- OZ(EOC) Collets
- Straight Collets for Milling Chucks
- Quick Change Tapping Adapters(Collets)
- R8 Collets
- 5C Collets
- 16C Collets
- 3J Collets
- Tool Holders Bushings
- Type-C Bushings
- Type-CS Bushings
- Type-Z Bushings
- Type-J Bushings
- Type-B Bushings
- Boring Bar Sleeves
- Retention Knobs
- CAT Retention Knobs
- BT Retention Knobs
- CNC Live/Dead Centers
- CNC Heavy Duty Live Centers
- Interchangeble Heavy Duty Centers
- CNC Small Casing Centers
- Slimline Medium Duty CNC Live Centers
- Dead Centers
- Other Accessories
- ER Nut
- ER Wrench
- Tool Locking Device
- Spindle Wiper
- HSK Coolant Tube
