IMPA: 614565

Heavy-Duty Shape W Grinding Wheels for Marine Maintenance

Shape W grinding wheels are the workhorse of shipyard metal fabrication and maintenance. With a wheel profile designed for aggressive material removal, they handle weld grinding, butt joints, and surface preparation with ease. Manufactured from aluminum oxide abrasive to a controlled hardness, these wheels deliver a consistent cut on steel, mild steel, and stainless steel without burning the workpiece. The reinforced fiberglass body reduces breakage risk and increases tool life even under high-pressure angle grinder use. Each wheel is pre-balanced to minimize vibration, ensuring a smooth finish and reducing operator fatigue.

Supplied under IMPA code 614565, these Shape W grinding wheels are part of our extensive marine ship chandler range. Available in popular diameters to fit standard angle grinders, they are ideal for shipyards, onboard repair, and rig maintenance. Keep your vessel fit for purpose with dependable consumables from ALL-K Marine Ship Store.

Key Features

Technical Specifications

SpecificationDetail
ShapeW (Depressed Center / Profile)
Diameter100 mm (4") / 125 mm (5") / 150 mm (6")
Thickness6 mm (1/4")
Bore Size16 mm (5/8")
Abrasive GrainAluminum Oxide (A30)
Max RPM13,300 (100 mm), 12,200 (125 mm), 10,200 (150 mm)
ApplicationGrinding, deburring, weld smoothing
ComplianceOSA / EN 12413

Frequently Asked Questions

What does “Shape W” mean?

Shape W refers to a specific grinding wheel profile commonly used for heavy-duty material removal. It features a reinforced, depressed-center design that enables grinding at a favourable angle while maximising surface contact.

Are these wheels suited to stainless steel?

Yes, the aluminum oxide abrasive formulation is suitable for both carbon steel and stainless steel. For best results on stainless, keep the wheel moving to avoid overheating and discoloration.

What safety precautions should I take?

Always wear a face shield and safety goggles, and ensure the wheel's maximum RPM rating exceeds the tool's no-load speed. Inspect the wheel visually for cracks before mounting, and never use a damaged wheel.

What machines are compatible?

These Shape W grinding wheels fit standard angle grinders with a 16 mm (5/8") arbor. Common sizes are 100 mm, 125 mm, and 150 mm; choose the diameter that matches your grinder.

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