https://machinisttoolslathe.com Mon, 27 Apr 2026 13:52:45 +0000 en-US hourly 1 https://wordpress.org/?v=4.1.1 https://machinisttoolslathe.com/2025/11/04/jacobs-drill-chuck-no20-super-chuck-38-1-dia-tooling-engine-lathe-machinist/ https://machinisttoolslathe.com/2025/11/04/jacobs-drill-chuck-no20-super-chuck-38-1-dia-tooling-engine-lathe-machinist/#comments Wed, 05 Nov 2025 03:20:47 +0000 https://machinisttoolslathe.com/2025/11/04/jacobs-drill-chuck-no20-super-chuck-38-1-dia-tooling-engine-lathe-machinist/













No# 20 Jacobs super chuck 3/8″-1″ DIA tooling capacity. Has a #3 MT shank. Comes with a #3-#4MT adapter and chuck key. I bought two of these chucks new 35 years ago and used the one your looking at very little. This drill chucks locks down on tooling very well. A rock solid USA made tool. Drill chucks is in very good condition see pictures for details.

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