Klingspor SMT 624 Supra Flap Disc – 100mm × 16mm | 40 Grit | Zirconia Alumina | Convex 12° | 322759

Professional Flap Disc for Aggressive Stock Removal on Steel and Stainless Steel

Supply Solutions Group supplies the Klingspor SMT 624 Supra Flap Disc (Product Code 322759) to organisations operating across metal fabrication, engineering, manufacturing, mining, construction, automotive, maintenance and industrial workshops throughout Australia.

Manufactured by Klingspor, the SMT 624 Supra Flap Disc is a premium Supra Performance Class abrasive mop disc engineered for aggressive grinding, weld dressing and surface preparation on steel and stainless steel. Featuring self-sharpening zirconia alumina abrasive grain mounted on a durable glass fibre backing plate, it delivers exceptional stock removal, extended service life and consistent grinding performance in demanding industrial environments.

The 100mm diameter, 16mm bore and 12° convex profile are optimised for edge grinding, weld removal, chamfering and smaller contact areas where concentrated grinding pressure is required. The coarse 40 grit abrasive provides faster material removal than finer grades, making it ideal for heavy fabrication and weld preparation. Rated for a maximum operating speed of 15,300 RPM (80 m/s), the SMT 624 Supra is suitable for compatible 100mm angle grinders.

Ideal for fabrication workshops, structural steel manufacturers, stainless steel fabricators and industrial maintenance teams, the SMT 624 Supra reduces the need for multiple abrasive changes by combining grinding and finishing into a single operation.

As an Indigenous-owned industrial supplier and procurement partner, Supply Solutions Group provides genuine Klingspor abrasive products backed by responsive customer service, procurement support and Australia-wide delivery.

Product Type

• Product Type: Flap Disc (Abrasive Mop Disc)
• Series: Klingspor SMT 624 Supra
• Performance Class: Supra
• Disc Size: 100mm × 16mm
• Grit: 40
• Abrasive Grain: Zirconia Alumina
• Profile: Convex 12°
• Best For: Heavy Stock Removal, Steel & Stainless Steel Grinding

Key Features

• Genuine Klingspor SMT 624 Supra Flap Disc
• Product Code: 322759
• 100mm disc diameter
• 16mm bore
• 40 grit
• Premium zirconia alumina abrasive
• Self-sharpening abrasive grain
• Durable glass fibre backing plate
• Convex 12° profile
• High stock removal rate
• Long service life
• Excellent grinding comfort
• Ideal for weld grinding and edge work
• Maximum operating speed of 15,300 RPM
• Professional industrial quality

Technical Specifications

Typical Applications

• Heavy weld grinding
• Weld seam blending
• Surface preparation
• Edge grinding
• Chamfering
• Deburring
• Steel fabrication
• Stainless steel fabrication
• Structural steel work
• Engineering workshops
• Industrial maintenance
• General metal finishing

Suitable Materials

• Mild steel
• Carbon steel
• Structural steel
• Stainless steel
• High-alloy steel
• Welded fabrications
• Metal components

Why Choose the Klingspor SMT 624 Supra?

The SMT 624 Supra combines aggressive zirconia alumina abrasive with a durable glass fibre backing plate to deliver high stock removal and long abrasive life. Its coarse 40 grit and 12° convex profile make it particularly effective for rapid weld removal, edge grinding and demanding fabrication work while maintaining excellent grinding comfort.

Why Buy from Supply Solutions Group?

Supply Solutions Group is an Indigenous-owned Australian supplier of industrial abrasives, engineering consumables and metalworking products, providing genuine Klingspor products backed by procurement support and Australia-wide delivery.

Benefits of Partnering with Supply Solutions Group

• Australia-wide supply capability
• Indigenous-owned and operated business
• Genuine Klingspor products
• Procurement support services
• Trade account options
• Bulk purchasing solutions
• Engineering and fabrication supply capability
• Product sourcing assistance
• Responsive customer service
• Ongoing industrial supply arrangements

Frequently Asked Questions

What materials is this flap disc designed for?
It is specifically designed for grinding steel and stainless steel, delivering aggressive material removal and long service life.

What is the advantage of 40 grit?
The coarse 40 grit is ideal for rapid stock removal, weld grinding, edge preparation and heavy-duty fabrication work before progressing to finer finishing abrasives.

What is the benefit of zirconia alumina abrasive?
Zirconia alumina is self-sharpening, maintaining aggressive cutting performance throughout the life of the disc while offering excellent durability.

What is the advantage of the convex 12° profile?
The convex profile concentrates grinding pressure on edges, welds and smaller contact areas, making it ideal for chamfering, weld seam removal and edge finishing.

What is the maximum operating speed?
The disc is rated for a maximum operating speed of 15,300 RPM with a maximum peripheral speed of 80 m/s.

Can Supply Solutions Group provide bulk quantities?
Yes. We supply individual discs, packs, cartons and ongoing procurement solutions for fabrication workshops, manufacturers and industrial maintenance teams.