SKU: 4087161691

R8 Shank ER Collet Chucks, ER16, ER20, ER25, ER32, ER40

Sale price$62.10 Regular price$69.00
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Ships within 48 hours · Estimated delivery Aug 7 - Aug 12

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Description

R8 Shank ER Collet Chucks, ER16, ER20, ER25, ER32, ER40R8 SHANK ER COLLET CHUCKS R8 taper shank ER collet chucks are typically used on manual milling machines. The R8 taper end fits into a machine spindle and the ER collet nut is compatible with ER collet. ER collets are used to hold all the machine tools with a round shank. These R8 shank ER collet chucks deliver a quality significantly above average on market. The total indicator runout (TIR) is less than 0. 0002". The MAX RPM on the manual milling

R8 SHANK ER COLLET CHUCKS

R8 taper shank ER collet chucks are typically used on manual milling machines. The R8 taper end fits into a machine spindle and the ER collet nut is compatible with ER collet. ER collets are used to hold all the machine tools with a round shank. These R8 shank ER collet chucks deliver a quality significantly above average on market. The total indicator runout (TIR) is less than 0.0002". The MAX RPM on the manual milling machines is 8,000. The manufacturer of the collet chucks inspects and produces them in a highly sophisticated lab and factory. You can hardly expect the collet chucks from the other MFG to be of the same quality.

  • Made of high-grade tool steel
  • Hardened and precise ground
  • Max T.I.R. 0.0002" O.D to I.D
  • No wrench included
Item Shank Type Collet Capacity Collet Nut Style Gage
Length
Collet Nut
Diameter
Drawbar End
0223-0229 R8 ER16 0.02"-0.393" Hex 2.00" 1.10" 7/16"-20
0223-0230 R8 ER20 0.04"-0.511" Hex 2.36" 1.34" 7/16"-20
0223-0231 R8 ER25 0.04"-0.629" Slotted 2.36" 1.65" 7/16"-20
0223-0232 R8 ER32 0.08"-0.787" Slotted 2.48" 1.97" 7/16"-20
0223-0240 R8 ER40 0.118"-1.023" Slotted 2.83" 2.48" 7/16"-20

Design, Assemble, and Dissemble of ER Collet Nut

Eccentric Design, ISO 15488:2003(E) Assemble Inspection Dissemble
The inside of the ER collet nut is intentionally designed like off-centering to help mount the ER collet much easier. It is in accordance with the requirements listed in ISO 15488:2003(E). If it is made symmetrical, the ER collet with the diameter larger than the inside size of the collet nut cannot be installed. Insert the ER collet into the nut at an angle. Lock it onto the eccentric groove of the collet nut and push it in. (Insert the cutter right after the step, before connect it to the holder/chuck/arbor.)

 
Inspect the RPM of the ER collet, ER collet nut, ER collet holder/chuck/arbor, etc. Take out the tool bit, press the end of the ER collet until the collet off the position. Push it out of the nut. (after take out the nut out of the holder.)

 

 

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 4087161691

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Kitty SPaw
Pawtucket, US
★★★★★ 5
Multi-Towel
Size: 50 Count (Pack of 1)
Convenient for travel plus many other uses. Good quality.
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Reviewed in the United States on March 12, 2026
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Chuck Spieser
Draper, US
★★★★★ 5
You like BBQ? Gotta have these towels!!
Size: 50 Count (Pack of 1), Size: 50 Count (Pack of 1)
I LOVE this towelette! You love BBQ? You need this. You have a child? You need this. You fill your tank with gas - check your oil! You need this. Ever hit a dirty porta potty? Uh, you definitely need this!!!! I use one after each meal I go out for…yup, clean and convenient. Strong cloth, not cheap paper! Great storage container they come in too! I keep one in the truck console. Trust me, you MUST try these. Awesome.
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Reviewed in the United States on April 24, 2026
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Ocie Carlisle
Grantham, US
★★★★★ 5
Compressed maybe but full size bliss!
Size: 50 Count (Pack of 1)
Very thick for the price. Strong enough to use more than once.
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Reviewed in the United States on April 6, 2026
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Brenserk
Lexington, US
★★★★★ 5
Absorbent and soft
Size: 50 Count (Pack of 1)
I love the size, absorbency, and thickness of these. Premium indeed. Very small and easy to carry with me for unexpected incidents. I carry them in my car as well where a bottle of water is always on hand.
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Reviewed in the United States on January 4, 2026
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Jawillnessa
Pawtucket, US
★★★★★ 5
Asian Holiday
Size: 50 Count (Pack of 1)
I absolutely love these!! They're like actual towels once activated by water. I was able to wash my face n shower without a tear. The towel is sturdy enough to be used twice. I'll definitely buy again!!
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Reviewed in the United States on January 22, 2026

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