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ER NUT | OTHER ACCESSORIES
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Frequently Asked Questions
1. What is an ER Nut used for?
Learn more — An ER Nut is used to secure ER collets within ER collet chucks, providing strong grip and concentricity for various tools and workpieces. For sizes and materials, visit pactoolsusa.com Pac Precision Tools USA+6Pac Precision Tools USA+6Pac Precision Tools USA+6.
2. How does choosing the right ER Nut improve machining accuracy?
Browse options — A properly matched ER Nut ensures uniform compression of the collet around the tool shank, reducing runout and improving cutting accuracy and finish.
3. What types of ER Nuts are available for different toolholding needs?
View variants — ER Nuts come in standard, mini, and bearing-style designs. Standard nuts are used in general applications, mini nuts offer compact profiles for tight spaces, and bearing nuts allow smoother torque transmission for high-precision work.
4. How does the torque applied to an ER Nut affect tool performance?
See torque specs — Proper torque ensures even collet compression and prevents tool slippage or runout. Over- or under-tightening an ER Nut can affect cutting accuracy and lead to tool wear or breakage.
5. Can ER Nuts be reused, or should they be replaced regularly?
Explore replacements — ER Nuts are reusable, but should be inspected regularly for thread wear, surface damage, or loss of grip. For optimal performance in precision machining, periodic replacement is recommended.
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
