SR-20R IV

Also searched as: SR-20R IV SR20RIV SR-20RIV

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Photo: Star (manufacturer)

MakeStar

ModelSR-20R IV

Machine typeOther Machines

Max. Machining Diameterø20mm (25/32in)

Max. Headstock StrokeSTANDARD 205mm (8in) WITH R.M.G.B. UNIT 160mm (6-19/64in) NO

Tool5 tools on the front + 2 tools on the rear (12mm)

4-Spindle Sleeve HolderNUMBER OF TOOLS Front 4 tools / Rear 4 tools MAX. DRILLING C

2-Spindle Front Sleeve HolderNUMBER OF TOOLS (SLEEVE) 2 tools MAX. DRILLING CAPABILITY ø1

Power Driven AttachmentNUMBER OF TOOLS Cross Milling: 3 tools Cartridge Type: At 2

Rapid Feed Rate35m/min-1 (X1, X2, Y1, Z1, Z2), 15m/min-1 (Y2)

Main Spindle Indexing AngleC-axis control

Main Spindle SpeedMax. 10,000 min⁻¹

Main Spindle Motor2.2kw (continuous) / 3.7kw (10 min/25% ED)

Coolant Tank Capability170ℓ

Dimensions (W x D x H)2,334 x 1,200 x 1,700mm

Weight2,600kg

Power Consumption4.7KVA

Max. Chucking Diameterø20mm (25/32in)

Max. Length for Front Ejection80mm (3-5/32in)

📋 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-20R IV

The Star SR-20R IV 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.

Machine value research

This specification page identifies the Star SR-20R IV. For separate market evidence, review observed Star SR-20R IV asking prices by year. Published asking prices are market observations—not completed-sale proof, an appraisal, or a guarantee of availability.

Used market research

Research Star SR-20R IV 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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