SKU: 13288413102

Jacobs Chuck Jacobs J421 Metric Tap Chuck Collet, 12.7mm - GW 9748 Collet

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Description

Jacobs Chuck Jacobs J421 Metric Tap Chuck Collet, 12.7mm - GW 9748 ColletJacobs J421 Metric Tap Chuck Collet, 12. 7mm GW 9748 A collet is a specialized holding device used in machining and manufacturing processes to secure and grip a work piece or a tool in a machine tool, such as a milling machine or a lathe. It is a type of clamping mechanism designed to provide a strong and precise grip on cylindrical or round objects. Features: Parallel jaw insert surfaces exert uniform, accurate gripping force up to three times

Jacobs J421 Metric Tap Chuck Collet, 12.7mm - GW 9748

A collet is a specialized holding device used in machining and manufacturing processes to secure and grip a work piece or a tool in a machine tool, such as a milling machine or a lathe. It is a type of clamping mechanism designed to provide a strong and precise grip on cylindrical or round objects.

Features:

  • Parallel jaw insert surfaces exert uniform, accurate gripping force up to three times greater than can be achieved with split - steel collets
  • Each collet accepts and precisely centers a wide range of both decimal or metric diameters (within individual capacity ranges) to speed setups and increase machining productivity
  • Durable one - piece construction. Synthetic rubber retains flexibility and resists deterioration from heat, coolants and cutting compounds
  • Steel jaw inserts precision ground after molding process to ensure maximum gripping accuracy. Hardened for greater wear resistance than split steel collets
  • Each collet bore is held concentric to the old Tapers, front and back, to minimize tier
  • Automatically seals tool old To prevent coolant flow through thus increasing tool wear
  • Seals collets and machine spindles to protect from abrasive particles and swarf

Specifications:

  • A- Cap (in/mm): 0.14-0.26 in/3.5-6.5mm (Refer Drawing Image)
  • B- Length (in/mm): 0.5 in/12.7mm (Refer Drawing Image)
  • C- Angle: 40 deg (Refer Drawing Image)
  • D- Diameter (in/mm): 0.941 in/23.9mm (Refer Drawing Image)
  • Head Diameter: 23.9mm
  • Model: J421
  • Collet Type: Tap
  • Number of Inserts: 6
  • Compatible with Product Type: Collet Chucks
  • Coolant Fed: Non-Coolant Through
  • For Shank Type: Round
  • Maximum Size: Round 1/4 in
  • Measurement System: Metric
  • Country of Origin: Germany
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: 13288413102

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george
Los Angeles, US
★★★★★ 5
COMFY & SEXY!
Color: Black, Size: 8
Comfy!! First time I wore these I comfortably danced all night!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 19, 2026
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Verified Purchase
Jennifer P Overmyer
Bozeman, US
★★★★★ 5
Cute and comfortable.
Color: Black, Size: 7
Comfortable and cute. I am a teacher. I wore these all day at school with no issue. I’m ordering additional pairs in other colors. True to size.
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Reviewed in the United States on April 19, 2026
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Jenn T
Draper, US
★★★★★ 5
My favorite
Size: 6, Color: Black
Second time I bought these! They are my favorite shoes. Cute and comfortable can wear them for hours! First pair lasted two year of constant wear.
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Reviewed in the United States on May 7, 2026
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Oyuki
Draper, US
★★★★★ 5
Cute & Comfy
Size: 6, Color: Black
Super cute & comfy heels
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Reviewed in the United States on May 5, 2026
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Daniel A.
Fort Morgan, US
★★★★★ 5
Great black heel
Size: 7, Color: Black
Bought these last minute for a wedding. Exactly as pictured. Comfortable to wear all night, no issues with blisters. True to size
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Reviewed in the United States on December 19, 2025

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