Compatible with the 5/32″ drill chucks only
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5/32″ Drill Chuck Key
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5/32″ 0JT Chuck with #0 Morse adjustable back
The 5/32" 0JT chuck with adjustable backplate brings a new level of centering accuracy to the 5/32" chuck. Extremely tiny drill bits require perfect centering or they are easily broken. By adjusting the front plate in relation to the rear plate which is mounted in the tailstock, perfect centering with the headstock can be achieved. This means your tiny drills hit the exact center of your part every time and do not break due to misalignment. This chuck can easily pay for itself in less broken bits in a short time.
NOTE: If you already have a P/N 1015 5/32" chuck, you can purchase just the backing plate which is P/N 1204. The 0JT arbor that is pressed into the back of the chuck can be tapped out and the chuck can be pressed onto the arbor of P/N 1204. If you have the P/N 1010 chuck (#1 MT back) and intend to change back and forth on a regular basis, we recommend you purchase the P/N 1016 chuck separately to avoid constantly pressing the chuck onto and off of the tapered back.
5/32″ Drill Chuck with #0 Morse Arbor
These chucks are useful for holding very small drills and their shorter length provides an increase of about 1/2" in working space between centers compared to the 1/4" drill chuck. A #0 Morse arbor has been pressed into the Jacobs taper in the back of the chuck. It is used in the tailstock and does not require a drawbolt.
Runout, as specified by the manufacturer, is .004" or less but we try to maintain .003" or less in our testing process. If runout of less than .003" amount is required, collets should be used to hold the drill rather than a chuck.
NOTE: Because the arbor is pressed into the chuck, it is not interchangeable from chuck to chuck. A separate chuck must be purchased for #0 and #1 Morse use.
5/32″ Drill Chuck with #1 Morse Arbor
These chucks are designated “0JT” which stands for “Zero Jacobs Taper,” because it comes with a #0 Jacobs tapered hole in the back. Into that, we have pressed a special arbor that provides a #1 Morse taper to fit into the Sherline headstock. A chuck key plus a drawbolt and washer are included to secure the chuck in position.
These chucks are useful for holding very small drills and their shorter length provides an increase of about 1/2" in working space between centers compared to the 1/4" drill chuck.
Runout, as specified by the manufacturer, is .004" or less but we try to maintain .003" or less in our testing process. If runout of less than .003" amount is required, collets should be used to hold the drill rather than a chuck.
NOTE: Because the arbor is pressed into the chuck, it is not interchangeable from chuck to chuck. A separate chuck must be purchased for #0 and #1 Morse use.