Chuck Jaw Selection Calculator

Jaw type and expansion range from workpiece diameter.

Workpiece diameter (in)

Grip mode (0=compress, 1=expand)

Tenon/recess diameter (in)

Tenon depth (in)

Tab to move between fields

Recommended tenon dia (in)

2.67

Best jaw size (in)

1.5

Jaw min grip (in)1

Jaw max grip (in)2

Dovetail angle (deg)10

Tenon depth OK? (1=yes)1

Max safe RPM750

How to Use This Calculator

Enter Workpiece diameter (in), Grip mode (0=compress, 1=expand), and Tenon/recess diameter (in).
Set Tenon depth (in).
Review Recommended tenon dia (in) and Best jaw size (in).
Use Jaw min grip (in) and Jaw max grip (in) to inform your decision.

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