Detailed Description of Steel Angle Grinder Flap Disc
Blue Aluminum Oxide T27 steel angle grinder flap Disc with plastic backing is a cost-effective abrasive product for general-purpose grinding, blending, and surface finishing on carbon steel and mild steel.Produce by good quality of aluminum oxide abrasive. Bonded with durable abrasive cloth and using light weight plastic backing,which ensures both good and stable polishing performance.
Flap disc designed by uniform overlapping flaps, which can keep exposure of new abrasive grains, offering long and consistent grinding service life.The plastic backing is good quality, strong enough and with light weight, it reduce vibration while maintaining sufficient rigidity for stable grinding.
This product is especially suitable for South American and African markets and has been supplied to distributors and industrial users in several countries. with stable and reliable quality, competitive pricing, long service life and consistent performance. It is widely used in metal fabrication, weld seam grinding, maintenance, and general industrial applications.
Steel Angle Grinder Flap Disc Technical Specifications
| Product Name | Blue Aluminum Oxide T27 Flap Disc (Plastic Backing) |
| Abrasive Grain | Aluminum Oxide (Blue AO) |
| Backing Plate | Plastic |
| Type | Type 27 (Flat) |
| Sizes Available |
100 mm (4") 115 mm (4.5") 125 mm (5") |
| Grit Sizes | 40 / 60 / 80 / 100/120 |
| Arbor Hole | 22.23 mm |
| Maximum Speed |
100 mm: 15,300 RPM 115 mm: 13,300 RPM 125 mm: 12,200 RPM |
| Applications | Grinding, deburring, blending, surface finishing |
| Suitable Materials | Carbon steel, mild steel, non-alloy metals |
| Packing | 10 pcs / inner box, 200 pcs / carton (customized packing available) |
Factory Advantages | steel angle grinder flap Disc
Direct factory of flap discs with stable export supply capability for over 20years.
Advanced Automatic flap disc forming lines ensuring consistent quality with each day productivity of 20000pcs.
Strict quality control on abrasive grain,backing, bonding strength and balance
Uniform grain distribution for steady cutting performance
OEM / ODM service available for private label and customized packaging
Competitive pricing and reliable delivery for South American and African markets
We can offer full range of different quality levels of flap disc from premium to economical options; which customer can choose different performance levels based on their budget and application needs.
Key Market Segments

Metal Fabrication
Structural steel processing
Pipes, profiles, and sheet metal fabrication
Hardware parts, doors, windows, fences, and railings
Welding
Weld seam grinding and dressing
Weld spot cleaning
Weld blending and surface leveling
General Manufacturing
Mechanical parts processing
Equipment housings, brackets, and frames
Maintenance & Repair (MRO)
Equipment maintenance
Daily factory repair work
On-site installation touch-ups and grinding
Note:
Blue zirconia flap discs with plastic backing are considered as economical, general-purpose products, making them ideal for price-sensitive, high-consumption markets such as South America, Africa, the Middle East, and Southeast Asia.
Key Application Segments
Stock Removal
Medium stock removal on carbon steel and stainless steel
Initial cleaning of weld beads and slag
01
Weld Blending
Smoothing and leveling weld seams
Creating a smooth transition between welds and base material
02
Edge Chamfering
Edge finishing and chamfering
Removing sharp edges
03
Deburring / Deflashing
Removing burrs from stamped and cut parts
Edge cleanup after plasma or flame cutting
04
Blending / Finishing
Light surface conditioning
Surface preparation before painting, plating, or welding
05
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