1 / 2
SD Series · Face Grinder ISO 11148-7 (pneumatic grinders)
SD Pneumatic Face Grinder (Surface Polishing)
Flat-head pneumatic surface grinder for plate polishing, rust removal and weld-seam smoothing on large surface areas. Three disc sizes (100 / 125 / 150 mm) sized for the typical mix of shipyard and maintenance work.
Disc size
100 – 150 mm
Free speed
10,000 – 13,000 r/min
Rated power
0.55 – 0.80 kW
Drive
Spark-free pneumatic
TYPICAL REPLY · 1 WORKING SHIFT (GMT+8)
01 Model Comparison
Pick your size — 3 models in the series.
| SD100 100 mm disc · 0.55 kW · 1.5 kg | SD125 125 mm disc · 0.65 kW · 1.7 kg | SD150 150 mm disc · 0.80 kW · 2.5 kg | |
|---|---|---|---|
| Wheel size | 100 mm | 125 mm | 150 mm |
| Free speed | ≤ 13,000 r/min | ≤ 12,000 r/min | ≤ 10,000 r/min |
| Rated power | 0.55 kW | 0.65 kW | 0.80 kW |
| Air consumption | 17 L/s | 18 L/s | 20 L/s |
| Net weight | 1.5 kg | 1.7 kg | 2.5 kg |
| Quote this model |
03 Key Features
Built for the job site.
// 01
Flat head — surface polishing focus
Flat grinding head distributes pressure uniformly across the disc — produces consistent surface finish on large plate areas, rather than the spot wear of angle-grinder discs on flat work.
// 02
10,000 – 13,000 r/min spindle
Higher RPM than angle grinders gives faster material removal on rust, paint and oxide layers. Standard tool for surface prep before coating application.
// 03
Spark-free pneumatic
Safe for damp, dusty and hazardous-area work where electric tools introduce ignition or shock risk.
// 04
Light (1.5 – 2.5 kg) — overhead capable
Sized for overhead and vertical surface work where heavier angle grinders cause operator fatigue. Bulkhead, beam and underside polishing.
04 Industry Applications
Where this series earns its keep.
Hull plate surface prep
Surface polishing and rust removal on hull plate during repair and outfitting. Coating-prep before paint application.
See hull plate surface prep solutions
Industrial maintenance & polish
Surface restoration on machinery, pipe and equipment surfaces — removing coatings, oxide and surface defects before recoating or inspection.
See industrial maintenance & polish solutions
General metal finishing
Plate polish, weld seam smoothing and surface cleaning in fabrication shops where finish quality matters for downstream coating.
See general metal finishing solutions
06 FAQ
Common questions about the SD Series · Face Grinder.
Can't find your answer?
SD face grinder vs SJ angle grinder — which for what?
SD's flat head is for surface polishing and rust removal across broad flat areas. SJ's angle head is for stock removal on weld beads and edges. They're complementary tools — most shipyards stock both.
07 Related Series
All pneumatic industrial tools Other pneumatic industrial tools.
Next step
Get a quote within 24 hours.
Send us your spec sheet, pipe schedule, or drawing — our engineers reply with pricing, lead time, and recommended models.
- 01Send specs & drawings
- 02Receive quote within 24h
- 03Confirm & manufacture