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CNC Live & Dead Centers Supplier & Distributor in USA
Frequently Asked Questions
1. What is a tool holder bushing?
Explore more on pactoolsusa.com — A tool holder bushing is an adapter used to fit smaller-diameter tools into holders with larger bore sizes. It ensures precise alignment and secure gripping of the tool.
2. How many types of bushings are available?
Discover details on pactoolsusa.com — PAC offers multiple types including Type-C, Type-CS, Type-Z, Type-J, and Type-B. Each type differs slightly in shape, slot position, and length depending on machine and tool compatibility.
3. What is the difference between Type-CS and Type-Z bushings?
Comparison info at pactoolsusa.com — Type-CS bushings have a set-screw slot and come with a straight-flanged design.
Type-Z bushings are flush-fit style, meaning their surface stays nearly level with the holder—ideal for high-precision applications.
Type-Z bushings are flush-fit style, meaning their surface stays nearly level with the holder—ideal for high-precision applications.
4. How are bushings used?
See use cases at pactoolsusa.com — Bushings are inserted directly into the tool holder bore to safely mount smaller-diameter tools like drills or reamers. This helps minimize runout and maintain accuracy.
5. When should bushings be replaced?
Learn more at pactoolsusa.com — Bushings should be replaced if their bore becomes loose or shows signs of wear or grooves. Worn bushings can affect tool accuracy and damage the holder.
6. Are bushings compatible with coolant-through systems?
Coolant-through info on pactoolsusa.com — Yes, certain bushings are designed specifically for coolant-through applications, allowing coolant to efficiently reach the cutting tool.
7. How do you ensure proper alignment when installing a bushing?
Installation tips at pactoolsusa.com — Align the set-screw with the slot on the bushing and tighten it securely. This prevents tool slippage and ensures accurate tool positioning.
8. Are bushings universal in size?
Sizing guide on pactoolsusa.com — No, bushings are made for specific shank and holder bore sizes. It's important to select the correct type and size for each application.
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
