- No products in the cart.
100009 | BT RETENTION KNOBS
$20.00
RK-BT40-MAS45 MAS-Solid Retention Knob
Specification
- Angle - 45°
- Headdiameter - 15mm
- Lengthc - 28mm
- Lengthj - 35mm
- Neckdiameter - 10mm
- Threadsize - M16
Description
RK-BT40-MAS45 MAS-Solid Retention Knob
Frequently Asked Questions
1. What are BT Retention Knobs used for in CNC machining?
Learn more — BT Retention Knobs, also known as BT pull studs, are installed on BT tool holders to allow the CNC machine’s drawbar to securely hold the tool holder during operations. They ensure precise tool retention and spindle engagement. Learn more at pactoolsusa.com.
2. How are BT Retention Knobs different from CAT Retention Knobs?
View product differences — While both serve a similar function, BT Retention Knobs are designed for BT taper tool holders, which have a symmetrical flange and different drawbar interface compared to CAT tapers. Each must be used with its respective holder. View product differences at pactoolsusa.com.
3. What materials are used in BT Retention Knobs?
For material specifications — BT Retention Knobs are typically made from hardened alloy steel with black oxide coating, offering resistance to wear, thermal stress, and high-torque loads. For material specifications, visit pactoolsusa.com.
4. How do I ensure I choose the correct BT Retention Knob?
Refer to sizing guides — Selection depends on the taper size (BT30, BT40, BT50), thread type, and coolant configuration. Using the wrong type can result in poor retention or toolholder damage. Refer to sizing guides available at pactoolsusa.com.
5. Are BT Retention Knobs suitable for high-speed machining?
Browse suitable models — Yes, high-quality BT Retention Knobs are balanced and engineered to handle the demands of high-speed and high-torque CNC applications, ensuring safe and stable tool holding. You can browse suitable models at pactoolsusa.com.
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
- 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 Chuks
- 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
