Star SR-20R II

Est. $200,000 - $330,000 Specs verified 2026-10-03 · starcnc.com Updated 2026-10-03

Image: starcnc.com, Star Micronics

Key Specifications

Rapid Traverse

32 m/min

max bar capacity

20 mm (0.787 in)

max machining diameter

20 mm (0.787 in)

tool positions

25 (including live tools)

power consumption

10 kVA

max turning diameter

ø20mm (25/32in)

How much does the Star SR-20R II cost?

Estimated price range

Est.$200,000 - $330,000

Our best estimate for a swiss-type lathe in this class — not a quote from Star Micronics. Configuration moves it a long way.

Overview

The Star SR-20R II is a Swiss-type lathe for 20 mm (0.787 in) bar, listed with 25 tool positions including live tools, 32 m/min rapid traverse and a 10 kVA supply requirement. The maximum turning diameter is given as ø20mm (25/32in).

Tool count is the reason to look at this model. Having 25 positions on a 20 mm bar machine means a complex part, or two related parts, can stay set up without tool swaps between jobs. The SR-20R IV Type A/B goes further, with a 27-position station holding 41 tools on a 2,600 kg machine.

The table stops there. Spindle speed and power, headstock stroke, weight and control are not listed for the SR-20R II, so request them from Star before judging what the machine will cut.

Full Specifications

Parameter	Value
Max Bar Capacity	20 mm (0.787 in)
Max Machining Diameter	20 mm (0.787 in)
Tool Positions	25 (including live tools)
Rapid Traverse Rate	32 m/min
Power Consumption	10 kVA
Max Turning Diameter	ø20mm (25/32in)

Specifications sourced from starcnc.com — verified 2026-10-03

Strengths & Limitations

Strengths

25 tool positions, including live tools, on a 20 mm (0.787 in) bar machine
32 m/min rapid traverse between cuts
10 kVA supply requirement

Limitations

The SR-20R IV Type A/B lists more tooling, a 27-position station with 41 tools, against 25 positions here
No spindle speed, spindle power, stroke or weight is listed, so cutting capacity cannot be read from the table
Bar size is 20 mm (0.787 in) with no optional larger size shown

Best For

Multi-operation parts from bar up to 20 mm (0.787 in) Jobs that need live tools among 25 tool positions Sites where a 10 kVA supply is what is on hand

Frequently Asked Questions

01 How many tools does the Star SR-20R II hold?

The table gives 25 tool positions, including live tools. It does not break that number down into turning, drilling and driven positions, so ask Star for the tooling layout to see how the 25 are divided.

02 What bar size does the SR-20R II take?

Maximum bar capacity and machining diameter are both 20 mm (0.787 in), stated in the turning diameter row as ø20mm (25/32in). No optional oversize capacity appears in the table.

03 How does the SR-20R II differ from the SR-20R IV?

On the figures available, tooling. The SR-20R IV Type A/B is listed with a 27-position station and 41 tools, where the SR-20R II has 25 tool positions including live tools. Both are ø20mm (25/32in) machines. The SR-20R IV is listed at 2,600 kg; no weight is given for the SR-20R II.