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Reference Library › Other Machines › SR-20JII
Star

SR-20JII

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Star SR-20JII
Photo: Star (manufacturer)
MakeStar
ModelSR-20JII
Machine typeOther Machines
Max. Machining Diameterø20mm (25/32in) OP: ø23mm (29/32in)
Max. Headstock StrokeSTANDARD 205mm (8in) R.M.G.B Type 160mm (6-19/64in) N.G.B. T
ToolNUMBER OF TOOLS 6 tools TOOL SHANK 12mm
5-Spindle Sleeve HolderNUMBER OF TOOLS Front 5 tools Rear 5 tools MAX. DRILLING CAP
2-Spindle Front Sleeve HolderNUMBER OF TOOLS (SLEEVE) 2 tools MAX. DRILLING CAPABILITY ø1
Power-Driven AttachmentNUMBER OF TOOLS Cross Milling 3 tools (ER16 + Cartridge Type
Rapid Feed Rate35m/min (X1, X2, Z1, Z2), 24m/min(Y2) : type B only
Main Spindle Indexing AngleC-axis control
Main Spindle SpeedMax. 10,000 min⁻¹
Main Spindle Motor2.2kW (continuous) / 3.7kW (10min./25%ED)
Coolant Tank Capacity202ℓ
Dimensions (W x D x H)2,250 X 1,200 X 1,700mm
Weight2,750kg
Power Consumption4.8kVA
Maximum Chucking Diameterø20mm (25/32in) OP: ø23mm (29/32in)
Max. Length for Front Ejection100mm (3-15/16in)
📋 Spec data: Detailed (23 fields) · compiled from manufacturer and public sources · reference updated 2026-09-24.
These specifications describe the model in general. The year, control generation, spindle, and option package of a specific unit may differ — always verify against the actual machine. Methodology · Data sources.

About the Star SR-20JII

The Star SR-20JII is catalogued under Other Machines in The Machine Blue Book CNC machine reference library. This entry documents the machine for identification and education; specifications above are compiled from manufacturer and public sources and describe the model, not a specific unit.

Used market research

Research Star SR-20JII in the used-machine market directory → — review current and historical seller-source records, then verify availability directly with the originating source.

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Machinery terms

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