Spyder 36 Grit Flap Disc (Dia)115mm
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Product Information
Full details
The Spyder 36 Grit Flap Disc is designed for metalworkers and DIY enthusiasts who need rapid material removal and a consistent finish on various metals. Its key benefit is aggressive, fast stock removal thanks to the 36-grit ceramic abrasive. A caveat is that the aggressive grit may be too coarse for fine finishing tasks, requiring a transition to finer grit discs.
All features
| Model Part Number | 36 Grit Flap Disc (Dia)115mm |
|---|---|
| Brand | Spyder |
Extended Product Information
FAQs
What is the primary purpose of the 36-grit abrasive?
The 36-grit abrasive is optimized for rapid stock removal, making it ideal for heavy-duty grinding, shaping, and weld preparation where speed is essential.
Can I use this disc for polishing metal?
While it provides a smoother finish than grinding wheels, the 36-grit is too coarse for polishing. You would need to progress to much higher grit flap discs or specialized polishing tools for a polished finish.
What types of metal can this disc be used on?
This disc is effective on mild steel, stainless steel, ferrous metal, and cast iron.
What is the maximum RPM for this flap disc?
You must always check the disc's stated maximum RPM and ensure it is compatible with, or higher than, your angle grinder's RPM rating. Consult the product packaging or manufacturer's specifications for the exact RPM limit.
How should I hold the angle grinder when using this disc?
Hold the grinder at a slight angle, typically between 15 to 30 degrees, to allow the abrasive flaps to work effectively without excessive pressure. Avoid holding it flat against the surface.
Is this disc suitable for wood or plastic?
No, this disc is specifically designed for metal applications and should not be used on wood, plastic, or other non-metallic materials.
How do I ensure safe operation?
Always wear appropriate personal protective equipment (PPE), including safety glasses, gloves, and hearing protection. Ensure the work area is clear and the workpiece is securely clamped.
Troubleshooting
Disc wears down unusually quickly
Ensure you are using the correct angle of contact (typically 15-20 degrees) and not applying excessive pressure. Check that the material being worked on is compatible.
Disc is not cutting effectively
Verify that the disc is securely mounted and spinning at the correct speed. Check for any clogged abrasive flaps and gently clean them if necessary. Ensure you are using the correct side of the disc for the application.
Excessive vibration during use
Check if the disc is damaged or warped. Ensure it is mounted correctly and that the grinder's spindle is not damaged. Try a new disc to rule out a manufacturing defect.
Poor surface finish achieved
The 36-grit disc is designed for aggressive removal; for finer finishes, follow up with higher grit flap discs or other finishing tools.
Pros and Cons
Pros
- Aggressive 36-grit for rapid material removal.
- Produces a surprisingly smooth finish for its grit level.
- Durable ceramic abrasive for extended disc life.
- Effective on a wide range of common metals.
- Standard 115mm size ensures broad compatibility.
Cons
- May be too coarse for delicate or highly precise finishing.
- 36-grit requires follow-up with finer grits for very smooth surfaces.
- Not suitable for non-ferrous metals like aluminum if a polished finish is critical.
- Generates significant dust and debris during use.
Setup, Compatibility & Care
Setup:
- Ensure your angle grinder is unplugged.
- Mount the Spyder 36 Grit Flap Disc onto the grinder's spindle using the appropriate flange and nut, following your grinder's manual.
- Tighten the nut securely, but do not overtighten.
- Ensure the disc is spinning in the correct direction (if applicable to your grinder setup).
Compatibility:
- This 115mm disc is compatible with standard 115mm (4.5 inch) angle grinders.
- Always ensure the maximum RPM rating of the disc is equal to or greater than the RPM rating of your angle grinder.
Care:
- Store discs in a dry environment away from excessive moisture or extreme temperatures.
- Avoid dropping or mishandling discs, as this can cause damage to the abrasive flaps.
- After use, clean any excess dust or debris from the disc and grinder.