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 16 - Aug 21

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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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J
Verified Purchase
Janie L Bobst
Lowell, US
★★★★★ 5
It’s a perfect shoe without the correct width it needed to be wider
Size: 5 Big Kid, Color: Lavendar
The app suggested a 6.5 but I needed it in wide and it was not an option. I had to send them back because they were too tight!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 11, 2026
S
Verified Purchase
Shirley Embree
New York, US
★★★★★ 5
That the shoes got here in time.
Size: 10.5 Little Kid, Color: Light Pink
The shoes a perfect.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 20, 2026
L
Verified Purchase
Lorraine M. Messina
Birmingham, US
★★★★★ 5
Great shoes
Size: 2 Little Kid, Color: Light Pink
Love love love
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 8, 2026
R
Verified Purchase
rebeca panos
New York, US
★★★★★ 4
Snug fit
Size: 11 Little Kid, Color: Lavendar
Needed to size up from all other Skechers we have bought. But still very good quality
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 6, 2026
S
Verified Purchase
samiam46
West Palm Beach, US
★★★★★ 5
Very comfortable
Size: 2 Little Kid, Color: Light Pink
My daughter really really loves these. She said that they are the most comfortable shoes she has ever had.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 20, 2026

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