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SCALLOPED / STAR KNOB |
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Blank Casting |
Reamed |
Tapped |
Tapped w/set screw |
Center Hole Dia. |
A |
B |
C |
D+C |
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P/N |
P/N |
P/N |
P/N |
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M-A |
M-A-RM |
M-A-TP |
N/A |
3/8" |
2" |
1 1/4" |
1/2" |
1" |
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M-0 |
M-0-RM |
M-0-TP |
M-0-TPS |
3/8" |
1 1/2" |
7/8" |
1/2" |
2" |
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M-1 |
M-1-RM |
M-1-TP |
M-1-TPS |
3/8" |
2" |
7/8" |
1/2" |
2" |
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M-2 |
M-2-RM |
M-2-TP |
M-2-TPS |
1/2" |
2 3/4" |
1 1/4" |
1/2" |
1 1/4" |
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M-3 |
M-3-RM |
M-3-TP |
M-3-TPS |
1/2" |
2 3/4" |
1 1/4" |
1/2" |
2" |
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M-4 |
M-4-RM |
M-4-TP |
M-4-TPS |
3/4" |
3 1/2" |
1 5/8" |
5/8" |
1 1/2" |
Made in the USA, ELCO M series cast iron knobs feature a scalloped, star-shaped design for industrial control and clamping applications.
Available as cast blanks or with reamed or tapped through-holes. Tapped knobs with set screws are available in select sizes. See the table above for dimensions and part numbers.
Contact us for pricing, availability, or specific machining requirements.
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