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Brand: HIWIN
HIWIN Super Z FSZ Miniature Ground Ball Screw with Flange Nut
Description
The HIWIN Super Z FSZ is the flange nut version of the Super Z miniature ball screw, made for outer diameters smaller than 20 mm. HIWIN lists it for semiconductor and inspection machines, medical equipment, LCD, robots and other electric machines where a small, smooth and accurate feed axis is needed.
A compact ball screw for small, fast axes
The catalog describes the Super Z by four gains over the traditional series: a dynamic load rating 20 to 30 percent higher, a nut diameter 15 to 30 percent smaller, 20 to 30 percent lower drag torque variation, and a Dm-N value of 160,000 with a maximum acceleration of 1.5 G. Accuracy covers C0 to C10.
The catalog performance example compares an R12-5B1-FSZ screw with a traditional screw at 5 mm lead and 0.4 G acceleration on a life-hour chart. The small nut and flange suit space-limited designs such as inspection stages and compact positioning units.
Technical specifications
| Parameter | Specification |
|---|---|
| Series | Super Z miniature ball screw |
| Nut type | FSZ: single nut with flange |
| Intended size | Outer diameter smaller than 20 mm (the standard table also lists sizes 20, 25 and 32) |
| Dynamic load | 20 to 30 percent higher than the traditional series (catalog) |
| Nut diameter | 15 to 30 percent smaller |
| Drag torque variation | 20 to 30 percent lower |
| Dm-N value | 160,000 |
| Maximum acceleration | 1.5 G |
| Accuracy | C0 to C10 |
| Applications | Semiconductor, inspection machines, medical equipment, LCD, robots, SPM, special environment machines, electric machines |
FSZ standard sizes and load ratings
The model reads nominal diameter, lead and circuits (for example 12-4B1: 12 mm diameter, 4 mm lead, B1 with 2.6 turns). Loads are printed in kgf in the catalog and converted here at 9.81 N per kgf. Flange pattern and bolt sizes are in the extract.
| Model | Lead mm | Ball dia mm | Circuits | C kN | C0 kN | Nut D mm | Flange F mm |
|---|---|---|---|---|---|---|---|
| R6-2B1-FSZ | 2 | 1.5 | 2.6×1 | 2.16 | 3.34 | 15 | 29 |
| R8-2B1-FSZ | 2 | 1.5 | 2.6×1 | 2.45 | 4.51 | 16 | 31 |
| R10-2B1-FSZ | 2 | 1.5 | 2.6×1 | 2.75 | 5.69 | 18 | 34 |
| R10-4B1-FSZ | 4 | 2.381 | 2.6×1 | 4.91 | 8.53 | 21 | 38 |
| R12-4B1-FSZ | 4 | 2.381 | 2.6×1 | 5.59 | 10.79 | 22.5 | 40 |
| R12-5B1-FSZ | 5 | 2.381 | 2.6×1 | 5.49 | 10.69 | 22.5 | 40 |
| R14-4C1-FSZ | 4 | 2.381 | 3.6×1 | 7.85 | 16.97 | 24.5 | 46 |
| R16-5C1-FSZ | 5 | 3.175 | 3.6×1 | 12.36 | 26.59 | 29 | 49 |
| R20-4C1-FSZ | 4 | 2.381 | 3.6×1 | 9.32 | 25.11 | 30.5 | 58 |
| R32-4C1-FSZ | 4 | 2.381 | 3.6×1 | 11.48 | 41.30 | 42.5 | 80 |
Ordering code and selection
The catalog example R12-5B1-FSZ-480-560-0.018 reads: right-hand thread, 12 mm nominal diameter, 5 mm lead, B1 circuit, FSZ flange single nut of the Super Z type, 480 mm thread length, 560 mm total length and a lead accuracy value.
Work from the axial load, speed, acceleration, stroke and accuracy, then check the end machining and support units. Before ordering, confirm the nominal diameter, lead, circuit, thread length, total length, accuracy grade and end machining drawing. The catalog notes that rigidity without preload is calculated at 30 percent of the dynamic load.
Documents and quotation
The linked PDF is a four-page extract of the HIWIN Ballscrew Catalog S99TE22-2009 with the Super Z features and the FSZ standard table, unchanged. More items are in our product range. Seven Star LLC is an independent supplier in Muscat; send the full ball screw code, drawing and quantity with your RFQ.
Datasheets & Documents
- Catalog HIWIN Ballscrew Catalog S99TE22-2009, Super Z and FSZ extract (4 pages) Download
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About brand
HIWIN Technologies is a Taiwanese manufacturer of motion control and linear transmission components, founded on 11 October 1989 and headquartered in Taichung. It started as a maker of ball screws and linear motion parts, has been listed on the Taiwan Stock Exchange since 2010, and is one of the world's largest ball screw producers.
Seven Star LLC sources and supplies these components for machine builders, fabrication shops and maintenance teams in Oman.
HIWIN company profile
| Founded | 11 October 1989, Taichung, Taiwan |
|---|---|
| Headquarters | Taichung, Taiwan |
| Listing | Taiwan Stock Exchange since 2010 |
| Product families | Ballscrews, linear guideways, linear and torque motors, rotary tables, AC servo motors and drives, single-axis robots and positioning stages, articulated and SCARA robots |
Milestones
- 1989: HIWIN is founded in Taichung.
- 2010: HIWIN Technologies lists on the Taiwan Stock Exchange.
HIWIN products listed here
This page groups the ball and roller linear guideway series such as HG, EG, WE, MG, CG and RG, the quiet QH and QE series with SynchMotion technology, crossed roller bearings, ball splines and ball screws. The catalog chapter for each series is linked on its product page.
Where linear guideways and ball screws are used
Typical uses are machine tools, packaging and assembly automation, gantry and pick-and-place axes, measuring equipment and semiconductor handling. Ball screws convert rotation to linear motion, guideways carry and guide the moving mass, and crossed roller bearings carry combined loads in rotary tables and robot joints.
What to send with an enquiry
Send the series and size, block or nut type, accuracy class, preload class, rail or shaft length and the quantity. For a replacement, copy the full model number from the label of the part in service.
HIWIN products we list
Facts checked against HIWIN company profiles and Taiwanese press, October 2026.
Related products
Frequently Asked Questions
What size is the Super Z intended for?
HIWIN describes it as a miniature ball screw for outer diameters smaller than 20 mm, although the standard FSZ table also lists 20, 25 and 32 mm.
What does FSZ mean?
F is flange end, S is single nut and Z is the Super Z series.
How fast and accurate is the Super Z?
The catalog gives a Dm-N value of 160,000, a maximum acceleration of 1.5 G and accuracy grades C0 to C10.
How are the load ratings given?
The catalog prints dynamic and static ratings in kgf. Multiply by 9.81 for newtons or divide by about 102 for kN.
Is Seven Star LLC a distributor of HIWIN?
No. Seven Star LLC is an independent supplier in Muscat that sources HIWIN products through commercial channels and checks the model against the manufacturer catalog before quoting.
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