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Machinery Photo Index
Manufactured/Badged by:
Jacobs Manufacturing Co.
West Hartford, CT; Clemson, SC
True Manufacturer:
Jacobs Manufacturing Co.
,
West Hartford, CT; Clemson, SC
Machine Specifications
Machine Class:
Metal Working Machinery
Machine Type:
Other
Machine Size:
1/8 - 3/4"
Submitted By:
Rory Brown
Machine Specifications
Description/Model:
Jacobs Supreme Model 25T4
Date of Manufacturer:
Serial Number:
Last Updated
1/29/2026 11:55:37 PM
Comments:
This is the largest chuck that I have found. It had a J4 MT4 taper that didn't fit any of my machines. I removed the taper and replaced it with a J4 MT2. The MT2 is puny but when I installed it on my drill press, there was virtually no runout.
Photo 1:
Comments:
1 of 3 front view
Source:
my I phone
Direct Link
IMG Code
Photo 2:
Comments:
2 of 3 front view
Source:
my I phone
Direct Link
IMG Code
Photo 3:
Comments:
3 or 3 front view
Source:
my I phone
Direct Link
IMG Code
Photo 4:
Comments:
On the press
Source:
my I phone
Direct Link
IMG Code