- Machine Starter Kit Package Deal Extra Discount
- H-1 Portable Hand Plier Package Deal
- M-3 Package Deal For Curtain Grommet
- Plastic Grommet Package Deal
- Rolled Rim Grommet Package Deal
- Sheet Metal Grommet Package Deal
- TEP-1 and Self-Piercing Grommet Package Deal
- TEP-3 and Self-Piercing Grommet Package Deal
- Package Deal for Fastnap Machines
- Package Deal for Stimpson Machines
- Fully Automatic-Industrial- Hydraulic- Pneumatic Fastener Attaching Machines
- Stroking Manual Button Press Attaching Machine
- Industrial & Manuel Fastener Machine Grommet and Snap Dies
- Button Cover Dies
- Curtain Grommet Dies With Hole Piercing Dies
- H-1 Grommet & Snap Dies
- Hole Piercing Dies
- Jean Button Dies
- Jean Rivet Dies
- MC-20 Double Cylinder Industrial Dies
- MC-20 Double Cylinder Metal Punching Dies
- MH-5 Machine Dies
- Die Adapters for converting Micron Dies for use with other Major Model Machines
- Oblong Grommet Dies
- Paper Eyelet Dies
- PL-10 Industrial Dies
- Plastic Grommet Dies
- Rolled Rim Grommet Dies With Hole Piercing
- Self-Piercing Grommet Dies
- Sheet Metal Grommet Dies With Hole Piercing Dies
- Snap Dies
- Tubular Rivet Dies
- MC-20 Single Cylinder Industrial Dies
MICRON® America sheet metal grommets with neck washers are made from Marine Grade 304 stainless steel for superior performance in outdoor and marine environments. Same size as Stimpson grommets and washers, and engineered for compatibility with MICRON® America M-500, Stimpson automatic machines, and Edward Segal automatic machines. The neck washer design ensures smooth feeding through machine tracks for efficient and accurate setting.
Marine Grade Stainless Steel 304 Benefits
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Strength & Durability: Withstands demanding loads and heavy use.
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Corrosion Resistance: Resists rust and saltwater exposure, perfect for marine and outdoor use.
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Modern Appearance: Maintains a clean look with minimal maintenance.
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One-Stop Marine Solutions: MICRON® America also provides nickel-plated brass marine fasteners for complete sourcing under one brand.
Technical Dimensions – Size #2 (3/8”)
| Parameter | Metric | Imperial |
|---|---|---|
| HSAS (Hole Size After Setting) | 9.6 mm | 3/8” |
| FLG (Grommet Flange Diameter) | 20.7 mm | .815” |
| LUF (Length Under Flange) | 5.5 mm | .215” |
| IDW (Inside Diameter Washer) | 13.5 mm | .840” |
| ODW (Outside Diameter Washer) | 2.5 mm | .095” |
Why Choose MICRON®
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Same size as Stimpson grommets
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Works with MICRON® M-500, Stimpson, and Edward Segal automatic machines
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Marine Grade 304 stainless steel for maximum corrosion resistance
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Trusted MICRON® America quality since 1995
Applications
Perfect for sails, boat covers, tarps, marine canvas, outdoor awnings, and industrial textiles.
Order with Confidence
Each bag includes 144 complete sets (grommets + neck washers). MICRON® America ensures fast shipping, bulk pricing, and premium stainless steel fastening solutions.
👉 For bulk orders or distributor inquiries, please Contact Us.
👉 For installation tips, visit our MICRON® America – YouTube.

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