Description
Reviews
| Brand | - |
| Category | Industrial Small Parts / Connectors and Fasteners |
| Origin | - |
| Material | Red Steel Paper (Vulcanized Fiber) |
| Thread Size | M3 |
| Outer Diameter | 8 mm |
| Inner Diameter | 3 mm |
| Thickness | 0.8 mm |
| Color | Red |
| Package Quantity | 100 Pieces |
| Electrical Property | Insulating |
| Temperature Range | -20°C to 150°C |
| Application | Screws, Nuts, and Standoffs |
Anonymous
Mar 14, 2026
Rating: 5/5
Perfect Fit for Electronics
These washers fit my M3 screws perfectly. Great for insulating components in my DIY project.
Anonymous
Feb 25, 2026
Rating: 4/5
Solid Quality
Good insulating properties. Use them for motor mounting to prevent grounding.
Anonymous
Feb 18, 2026
Rating: 4/5
Good Value Pack
Solid quality for the price. One washer was slightly bent but the rest were fine.
Anonymous
Feb 08, 2026
Rating: 5/5
Fast Delivery
Arrived quickly and well packaged. The thickness is consistent across the batch.
Anonymous
Feb 06, 2026
Rating: 5/5
Essential Component
Exactly what I needed for standoff insulation. The red color makes them easy to spot.
Q: Can these withstand high heat environments?
A: They are rated for moderate heat up to 150°C, suitable for most electronics.
Q: Are these washers electrically conductive?
A: No, these are made of insulating steel paper designed to prevent electrical contact.
Q: How many pieces are included in this order?
A: This package contains exactly 100 pieces of washers.
Q: Will these fit standard M3 screws?
A: Yes, the inner diameter is 3 mm, designed specifically for M3 thread sizes.
Q: What is the actual material composition?
A: They are constructed from red steel paper, also known as vulcanized fiber.
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