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Sheet Metal Grommets & Plain Washers #1 (9/32”) – 144 Sets
Sheet Metal Grommets & Plain Washers #1 (9/32”) – 144 Sets Price range: $7.66 through $8.50
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Sheet Metal Grommets & Plain Washers #7 (1”) – 144 Sets
Sheet Metal Grommets & Plain Washers #7 (1”) – 144 Sets Price range: $68.44 through $77.44

Sheet Metal Grommets & Plain Washers #4 (1/2”) – 144 Sets

Price range: $20.29 through $22.30

Durable size #4 (1/2”) sheet metal grommets & plain washers, made from heavy-gauge cartridge brass (70% copper, 30% zinc).

Compatible with Stimpson machines & dies. Available finishes: Military Black, Brass, Nickel.

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

Grommet installation with MICRON® America hand tools, M-3 & TEP-3 two-step sheet metal dies, MC-20 double cylinder machine (one-shot), and MH-5 automatic machine.

👉 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 hand tool kit for sizes #00 (3/16”), #0 (1/4”), #1 (9/32”), #2 (3/8”), #3 (7/16”), and #4 (1/2”) – MICRON® America
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1/2” Grommet Kit – Hand Tool for Sheet Metal Grommets & Teeth Washers #4

Price range: $48.00 through $96.51

The 1/2” grommet kit is a complete hand tool set for installing sheet metal grommets & teeth washers size #4.

Includes hole cutter, setting die, and plastic base. Teeth washers grip fabric securely for extra holding power—ideal for tarps, banners, canvas, and heavy-duty projects.

Hand Tool are final sale, and cannot be returned NO EXCEPTIONS.

👉 For inquiries, Contact Us.
👉 For installation videos, visit our MICRON® America – YouTube.

Select options This product has multiple variants. The options may be chosen on the product page
Sheet metal grommet dies size cutting and setting dies with piercing die and support disk – MICRON® America
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#4 (1/2”) Sheet Metal Grommets & Washers Cutting and Setting Dies Sets

Price range: $75.00 through $97.30

The MICRON® Sheet Metal Grommets & Washers Cutting and Setting Dies Sets Size #4 (1/2”) are engineered for strength, durability, and precision. Each complete set includes:

  • 2 pcs Setting Dies (Upper & Lower)

  • 1 pc Hole Piercing Die

  • 1 pc Polyamide Support Disk

Built from hardened carbon steel with ISO 9001 & CE certification, these dies ensure clean and consistent results. Fully 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.

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TEP-3 hand press manual machine — deep-frame, heavy-duty cast iron; interchangeable dies; sets rivets, snaps, buttons & #5 grommets — MICRON® America
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TEP-3 Hand Press Machine – Rivets, Snaps, Jean Buttons & Grommets

$119.95

TEP-3 hand press with interchangeable dies. Handles #5 self-piercing grommets and a wide range of rivets, snaps, and buttons.

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, free-standing or bench-mounted, heavy-duty sphero cast iron.

Dies: All 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

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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 Single Cylinder Semi-Heavy Duty Pneumatic Fastening Machine – MICRON® America
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MC-20 Single Cylinder Semi-Heavy Duty Pneumatic Fastening Machine

Price range: $2,100.00 through $2,323.25

The MC-20 Single Cylinder Semi-Heavy Duty Pneumatic Fastening Machine is a Made in Europe MICRON® brand unit designed for snaps, grommets, rivets, jean buttons, spring snaps, and ring snaps. With 450 kg/cm² pressure, it installs fasteners from #1.7 (1/8”) to #8 (1-¼”) sheet metal grommets, making it ideal for textile, signage, and light industrial use.

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

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 MICRON® dies & setting tools

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
Industrial grommet two-step dies for MC-20 machine – MICRON® America
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Dual-Action Sheet Metal Grommet Dies for High-Volume Production – MC-20 Single Cylinder Machine

Price range: $175.00 through $250.00

The Dual-Action Sheet Metal Grommet Dies are engineered from carbon steel for the MC-20 Single Cylinder machine.

  • Upper Die (Piercer): 3/8″ (9.5 mm) smooth

  • Lower Die (Anvil): 3/4″ (19 mm) smooth

  • Works with sheet metal grommets & plain/teeth washers sizes #00 to #3

  • Perfect for webbing, straps, banners, and technical textiles

👉 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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Description

MICRON® America heavy-gauge brass sheet metal grommets & plain washers – fully compatible with Stimpson machines and dies – are manufactured from cartridge brass containing 70% copper and 30% zinc. This alloy ensures durability and malleability, providing a professional finish in both indoor and outdoor commercial environments.

Technical Dimensions – Size #4 (1/2”)

Parameter Metric Imperial
HSAS (Hole Size After Setting) 12.7 mm 1/2”
FLG (Grommet Flange Diameter) 23.8 mm 15/16”
LUF (Grommet Length Under Flange) 5.0 mm .197”
IDW (Inside Diameter Washer) 13.5 mm .531”
ODW (Outside Diameter Washer) 24.5 mm .965”

Why Choose MICRON®

  • Heavy-gauge brass composition (70% Cu, 30% Zn)

  • Compatible with Stimpson machines & cutting/setting dies

  • Finishes available: Military Black, Brass, Nickel

  • Long-lasting strength and professional results

  • MICRON® America quality trusted since 1995

Installation Compatibility
Grommet installation with MICRON® America hand tools, M-3 & TEP-3 two-step sheet metal dies, MC-20 double cylinder pneumatic machine (one-shot installation), and MH-5 automatic machine.

Applications

  • Printing & signage

  • Tarps & canvas

  • Bags, hats, shoes, textiles

  • Tents & industrial covers

Order with Confidence

  • 144 complete sets per bag (grommets + plain washers)

  • Fast shipping from MICRON® America

  • Bulk pricing available

  • Trusted since 1995

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