Reference Library › Turning Centers & Lathes › SR-20R II

Reference recordMBB·TURNING-CENTERS-LATHES/STAR-SR-20R-IIUpdated 2026-10-10

Photo: Star (manufacturer)

MakeStar

ModelSR-20R II

Machine typeTurning Centers & Lathes

Max. Machining Diameterø20mm (25/32in)

Max. Headstock StrokeSTANDARD 205mm (8in) WITH GRIPPING UNIT 195mm (7-11/16in)

ToolNUMBER OF TOOLS 6 tools TOOL SHANK 12mm x 100~135mm 12.7mm x 100~135mm

4-Spindle Sleeve HolderNUMBER OF TOOLS Front 4 tools Rear 4 tools MAX. DRILLING CAPABILITY ø10mm…

Power Driven Att.NUMBER OF TOOLS 5~10 tools: including OP MAX. DRILLING CAPABILITY ø8mm…

Main Spindle Indexing Angle0.01º (C-axis control)

Main Spindle SpeedMax. 10,000 min⁻¹

Main Spindle Motor2.2kw (continuous) / 3.7kw (15min.)

Power-Driven Att. Spindle SpeedMax. 8,000 min⁻¹

Power-Driven Att. Drive MotorAC servo motor 1.2kw

Coolant Tank Capability155ℓ

Dimensions (W x D x H)2,210 x 1,080 x 1,700mm

Center Height1,060mm (3.48ft)

Weight2,200kg

Power Consumption7.0KVA

Max. Chucking Diameterø20mm (25/32in)

📋 Spec data: Detailed (22 fields) · compiled from manufacturer and public sources · reference updated 2026-10-10.
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.

Star

SR-20R II

Evidence updated 15 October 2026: manuals and documents. How evidence is dated

MBB Model ID MBB-M-K3HZKS · What is this?

Plan the installInstalled cost →

Machine weight (published)2,200 kg ≈ 4,850 lbFloor & foundation Rigging

From the published model specification. Spindle rating is not the machine’s total connected load; confirm the exact unit’s data plate and electrical drawings.

About the Star SR-20R II

The Star SR-20R II is catalogued under Turning Centers & Lathes 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.