Marine Grade Stainless Steel 304 Grommets & Plain Washers #3 (7/16”) – 144 Sets | MICRON® America - Image 1
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Bombe Button Cutting Dies for MPBC-300 Pneumatic Button Cover Machine Price range: $97.50 through $157.00
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Marine Grade Stainless Steel 304 Grommets & Neck Washers #2 (3/8”) – 144 Sets
Marine Grade Stainless Steel 304 Grommets & Neck Washers #2 (3/8”) – 144 Sets $16.87

Marine Grade Stainless Steel 304 Grommets & Plain Washers #3 (7/16”) – 144 Sets | MICRON® America

$21.80

Premium size #3 (7/16”) sheet metal grommets & plain washers made from Marine Grade 304 stainless steel.

Installation Compatibility
Since this grommet is manufactured with 0.40 gauge material, it can be easily installed using the MICRON® PL-10 or MC-20 pneumatic machines.

Each bag contains 144 complete sets (grommets + plain washers).

👉 For bulk orders or distributor inquiries, please Contact Us.
👉 For installation tips, visit our MICRON® America – YouTube.

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SIZE CHART / RELATED PRODUCT

SIZE CHART / RELATED PRODUCT

RELATED PRODUCT

You may find a list of products that you can use with this product, down below.
Sheet metal grommet dies size cutting and setting dies with piercing die and support disk – MICRON® America
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#3 (7/16”) Sheet Metal Grommets & Washers Cutting and Setting Dies Sets

Price range: $65.00 through $83.70

MICRON® Sheet Metal Grommets & Washers Cutting and Setting Dies Sets Size #3 (7/16”) deliver precision, durability, and clean installation. Each set includes:

  • 2 pcs Setting Dies (Upper & Lower)

  • 1 pc Hole Piercing Die

  • 1 pc Polyamide Support Disk

Made from hardened carbon steel and certified with ISO 9001 & CE, these dies guarantee consistent performance. Compatible with MICRON® fastening machines and same-size grommets from Stimpson, Scovill, Sisca, and C.S. Osborne.

👉 For orders or inquiries, please Contact Us.
👉 For installation tips, visit our MICRON® America – YouTube.

Dies are final sale, and cannot be returned NO EXCEPTIONS.

Select options This product has multiple variants. The options may be chosen on the product page
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M-3 hand press manual machine — CE-certified cast iron; interchangeable upper/lower dies; deep frame; up to #18 grommet — MICRON® America
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M-3 All-in-One Hand Press Machine – Textile Fastening & Grommet Press

Original price was: $450.00.Current price is: $299.95.

M-3 hand press (manual) with interchangeable dies.

Top/upper dies are available in two interfaces: 1/4″-20 UNC (Unified Coarse Thread) and Ø9.5 mm (3/8″) smooth shank.

The lower die base also comes in two sizes: Ø18.95 mm (≈3/4″) smooth and Ø11.95 mm (≈15/32″) smooth.

Deep frame, high neck, double-lever advantage, supports grommets up to #18 (2 ½”). CE-certified cast-iron body.

  • Dies: All dies sold separately.

Mounting: Must be bench/table mounted before use

👉 For orders or inquiries, please Contact Us.
👉 For installation tips, visit MICRON® America – YouTube.
👉 Compatible Dies & Tooling: Shop MICRON® dies & setting tools

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MC-20 Double Cylinder Multi-Function Pneumatic Fastening Machine – MICRON® America
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MC-20 Double Cylinder Multi-Function Pneumatic Fastening Machine

Price range: $2,650.00 through $3,183.95

The MC-20 Double Cylinder Multi-Function Pneumatic Fastening Machine is a Made in Europe MICRON® brand unit designed for heavy-duty snap, grommet, rivet, Jean button, and curtain grommet applications. With interchangeable dies, double pneumatic cylinders, and up to 950 kg/cm² pressure, it handles everything from #1.7 (1/8”) grommets to #18 (2 ½”) curtain grommets.

Interchangeable dies (top 1/4″-20 or Ø9.5 mm; lower Ø18.95 mm or Ø11.95 mm).

Equipped with metal cutting capability, it is ideal for metal signage and industrial textiles. Powered by 110/220V AC + 150 PSI compressor, and fitted with a mica safety cover + dual sensor system for maximum operator safety.

Shipping to be determined per weight & dimension.

For orders or inquiries, please Contact Us
For installation tips, visit MICRON® America – YouTube
Compatible Dies & Tooling: Shop MICRON® dies & setting tools

Select options This product has multiple variants. The options may be chosen on the product page
MH-5 Hydraulic One-Shot Grommet Machine for Large Curtain and Oblong Grommets – MICRON® America
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MH-5 Hydraulic One-Shot Fastener Attaching Machine for Large Grommets (Oblong & Round Style)

Price range: $5,995.00 through $6,569.95

The MH-5 Hydraulic One-Shot Grommet Machine is a Made in Europe MICRON® brand machine designed for large curtain and oblong grommets.

It punches and sets in one step, reducing production time by up to 90%. Built for 24-hour operation on 220V AC, this CE-certified hydraulic machine ensures speed, accuracy, and durability for tarps, curtains, tents, and banners.

Shipping will be determined per weight and dimension.

For orders or inquiries, please Contact Us
For installation tips, visit MICRON® America – YouTube
Compatible Dies & Tooling: Shop MH-5 Dies

Select options This product has multiple variants. The options may be chosen on the product page
PL-10 pneumatic fastener machine — portable air press on casters; installs #1–#3 plastic grommets; supports snaps, buttons & rivets — MICRON® America
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PL-10 Pneumatic Plastic & Metal Fastener Attaching Machine

Price range: $1,250.00 through $1,379.95

PL-10 pneumatic fastener machine — portable air press on casters for  #1 (5/16″), #2 (3/8″), and #3 (15/32″)  plastic grommets

plus small metal grommets, snaps, buttons & rivets. 150 PSI compressor required; interchangeable dies (top 1/4″-20 or Ø9.5 mm; lower Ø18.95 mm or Ø11.95 mm).

Floor-level operation for heavy banners and tarps.

Shipping: U.S. Continental flat-rate $59.95.

Dies sold separately.

👉 For orders or inquiries, please Contact Us.
👉 For installation tips, visit MICRON® America – YouTube.
👉 Compatible Dies & Tooling: Shop MICRON® dies & setting tools

Select options This product has multiple variants. The options may be chosen on the product page
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Description

MICRON® America sheet metal grommets with plain washers are manufactured from Marine Grade 304 stainless steel, ensuring high strength and long-term corrosion resistance. Sheet metal grommet & plain washers, they are designed for use with MICRON® America PL-10, and MC-20 machines. These grommets deliver reliable performance in both marine and industrial environments.

Marine Grade Stainless Steel 304 Benefits

  • Strength & Durability: Ideal for heavy-duty and marine use.

  • Corrosion Resistance: 304 stainless steel resists rust and saltwater damage, perfect for outdoor projects.

  • Attractive Appearance: Maintains a clean, polished look with minimal upkeep.

  • One-Stop Marine Line: MICRON® America also supplies nickel-plated brass and stainless steel marine fasteners, enabling full marine fastening solutions from one supplier.

Technical Dimensions – Size #3 (7/16”)

Parameter Metric Imperial
HSAS (Hole Size After Setting) 11.1 mm 7/16”
FLG (Grommet Flange Diameter) 21.5 mm .846”
LUF (Length Under Flange) 5.0 mm .197”
IDW (Inside Diameter Washer) 12.0 mm .472”
ODW (Outside Diameter Washer) 22.0 mm .866”

Why Choose MICRON®

  • Same size as Stimpson grommets

  • Marine Grade 304 stainless steel for unmatched corrosion resistance

  • MICRON® America trusted since 1995

Applications
Perfect for sails, boat covers, marine canvas, tarps, awnings, leather, and heavy-duty industrial fabrics.

Order with Confidence
Each bag includes 144 complete sets (grommets + plain washers). MICRON® America offers fast shipping, bulk pricing, and premium marine-grade fastening solutions.

👉 For bulk orders or distributor inquiries, please Contact Us.
👉 For installation tips, visit our MICRON® America – YouTube.