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Collection: All Grate Thickness

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439 products

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In stock (439 products)
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Manufacturer

ABT (2 products)
D & L Foundry (4 products)
EJCO (East Jordan) (7 products)
General Foundry (6 products)
Iron Age Designs (49 products)
MEA-Group (2 products)
NDS (105 products)
NEENAH (2 products)
Hubbell - POLYCAST (57 products)
Polylok (1 products)
ULMA (33 products)
USF (11 products)
TDS (Trench Drain Systems) (106 products)
Zurn (56 products)

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Grate Load Class

Class A (137 products)
Class B (139 products)
Class C (68 products)
Class D (30 products)
Class E (16 products)
Class F (4 products)
H-20 (13 products)

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Grate Width

2.25" for NDS Slim Channel (10 products)
2.38" for Zurn Z880 (2 products)
2.75" for NDS Mini Channel (30 products)
3.00" Dia (2 products)
3.88" for Pro Series 3 (1 products)
4.00" Dia (4 products)
4.13" for Zurn Z883 (4 products)
4.13" for Zurn Z884 (12 products)
4.13" for NDS Spee-D (18 products)
4.52" Dia (3 products)
4.81" for ULMA (61 products)
4.88" (1 products)
5.00" (1 products)
5.18" for Hubbell Polycast (1 products)
5.18" for Pro Series 5 (10 products)
5.25" (2 products)
5.25" for Hubbell Polycast (71 products)
5.38" for Zurn Z886 (35 products)
6.00" for NDS DuraSlope (18 products)
6.75" Dia (3 products)
7.88" for Pro Series 8 (5 products)
7.88" x 7.88" (1 products)
8.00" for TDS FP/FF/FE 0600 (11 products)
8.00" (3 products)
8.33" (1 products)
9.0" x 9.0" for NDS 900 Series (13 products)
9.00" for ULMA MV+200 (4 products)
9.00" (2 products)
10.00" (3 products)
10.25" (1 products)
10.33" (1 products)
11.25" (2 products)
12.0" x 12.0" for NDS 1200 Series (20 products)
12" x 24" for Hubbell Polycast (2 products)
12.00" for Pro Series 12 (3 products)
12.00" (13 products)
12.33" (1 products)
12.50" (2 products)
14.00" (11 products)
14.33" (1 products)
14.66" for TDS FP/FF/FE 1200 (12 products)
15.00" (2 products)
17.00" (1 products)
18.0" x 18.0" for NDS 1800 Series (10 products)
24.00" (1 products)
24.0" x 24.0" for Hubbell Polycast (1 products)
24.0" x 24.0" for NDS 2400 Series (6 products)
24.00" x 24.00" (1 products)

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Grate Thickness

0.25" with T-Top (10 products)
0.38" (29 products)
0.38" with T-Top (5 products)
.50" (1 products)
0.50" with T-Top (1 products)
0.63" (2 products)
0.75" (243 products)
0.75" with T-Top (3 products)
0.81" (1 products)
0.81" with T-Top (6 products)
1.00" (9 products)
1.125" (34 products)
1.25" with T-Top (2 products)
1.44" (4 products)
1.50" (71 products)
1.50" with T-Top (1 products)
2.00" (17 products)
4.75" with T-Top (1 products)

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Pattern Style

Abstract (14 products)
Geometric (35 products)
Traditional (9 products)
Nature (41 products)
Slotted (210 products)
Perforated (37 products)
Industrial (34 products)
Cover (3 products)
Patriotic (4 products)

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Pattern

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Material

Aluminum (12 products)
Bronze - Brushed (13 products)
Bronze - Natural (13 products)
Ductile/Cast Iron - Baked on Oil Finish (42 products)
Ductile/Cast Iron - Raw (159 products)
Fiberglass (31 products)
Fiberglass - 1.50" Sq Mesh (3 products)
Fiberglass - T-Bar (3 products)
Fiberglass - I-Bar (5 products)
Galvanized Steel (64 products)
Plastic/HDPE - Black (34 products)
Plastic/HDPE - Blue (1 products)
Plastic/HDPE - Gray (33 products)
Plastic/HDPE - Light Gray (5 products)
Plastic/HDPE - Green (22 products)
Plastic/HDPE - Red (1 products)
Plastic/HDPE - Brick Red (4 products)
Plastic/HDPE - Brown (1 products)
Plastic/HDPE - Sand (24 products)
Plastic/HDPE - White (11 products)
Stainless Steel 304 (47 products)
Stainless Steel 316L (10 products)

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Application

Residential (381 products)
Decorative (174 products)
Sports Complex - Recreational (188 products)
Chemical Processing (33 products)
Food Processing (3 products)
General Purpose Drainage - Interior (316 products)
General Purpose Drainage - External (367 products)
Transportation (71 products)

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439 products

POLYCAST DG0641D Class D Slotted Ductile Iron Grate 6" x 24" (Nominal)

POLYCAST DG0641D Class D Slotted Ductile Iron Grate 6" x 24" (Nominal)

Regular price $49.31 USD

Regular price Sale price $49.31 USD
Unit price per
ULMA Non-Slip Slotted Galvanized Steel Grate - 420 / 421

Sale

ULMA Non-Slip Slotted Galvanized Steel Grate - 420 / 421

Regular price From $21.38 USD

Regular price ~~$27.49 USD~~ Sale price From $21.38 USD
Unit price per

Sale
POLYCAST DA0642B Hold-Down Device for 600 Series Ductile Iron Grate

POLYCAST DA0642B Hold-Down Device for 600 Series Ductile Iron Grate

Regular price $5.90 USD

Regular price Sale price $5.90 USD
Unit price per
POLYCAST DG0640 Class A Slotted Galvanized 5.25" x 48" Grate

POLYCAST DG0640 Class A Slotted Galvanized 5.25" x 48" Grate

Regular price $64.11 USD

Regular price Sale price $64.11 USD
Unit price per
ZURN 66955-840-9 Hold-Down Device for Z886

ZURN 66955-840-9 Hold-Down Device for Z886

Regular price $29.60 USD

Regular price Sale price $29.60 USD
Unit price per
USF 6235 Class D Slotted Ductile Iron 24" X 24" Catch Basin Grate

USF 6235 Class D Slotted Ductile Iron 24" X 24" Catch Basin Grate

Regular price $485.30 USD

Regular price Sale price $485.30 USD
Unit price per
GF 21424 Heavy-Duty Gray Iron Slotted 14" x 24" x 2" Grate | General Foundry

GF 21424 Heavy-Duty Gray Iron Slotted 14" x 24" x 2" Grate | General Foundry

Regular price $198.99 USD

Regular price Sale price $198.99 USD
Unit price per
ULMA 410 Perforated w/Tread Galvanized Steel Class A Grate

Sale

ULMA 410 Perforated w/Tread Galvanized Steel Class A Grate

Regular price $17.36 USD

Regular price ~~$24.80 USD~~ Sale price $17.36 USD
Unit price per

Sale
TDS 3000 Series DG3043D Class D ADA Compliant Transverse Slotted Ductile Iron 8"x24" Grate

TDS 3000 Series DG3043D Class D ADA Compliant Transverse Slotted Ductile Iron 8"x24" Grate

Regular price $74.58 USD

Regular price Sale price $74.58 USD
Unit price per
LD100X-2 Locking Device for ULMA Grates

Sale

LD100X-2 Locking Device for ULMA Grates

Regular price $10.08 USD

Regular price ~~$12.96 USD~~ Sale price $10.08 USD
Unit price per

Sale
NDS 9243 Class A Plastic Slotted 2" x 36" Grate - GRAY

NDS 9243 Class A Plastic Slotted 2" x 36" Grate - GRAY

Regular price $17.67 USD

Regular price Sale price $17.67 USD
Unit price per
RG-151224-AB Heavy Duty Ductile Iron Slotted 12" x 24" x 1.5" Grate | TDS

RG-151224-AB Heavy Duty Ductile Iron Slotted 12" x 24" x 1.5" Grate | TDS

Regular price $217.04 USD

Regular price Sale price $217.04 USD
Unit price per
TDS DG3041D Class F Slotted Ductile Iron 8" x 24" Grate

TDS DG3041D Class F Slotted Ductile Iron 8" x 24" Grate

Regular price $106.29 USD

Regular price Sale price $106.29 USD
Unit price per
US Foundry 6455 Heavy Duty Slotted Cast Iron 17" x 24" x 1-1/2" Grate

US Foundry 6455 Heavy Duty Slotted Cast Iron 17" x 24" x 1-1/2" Grate

Regular price $299.09 USD

Regular price Sale price $299.09 USD
Unit price per
J-4221-01 Heavy Duty Cast Iron 10" x 24" x 1.5" Grate | D&L Foundry

J-4221-01 Heavy Duty Cast Iron 10" x 24" x 1.5" Grate | D&L Foundry

Regular price $145.50 USD

Regular price Sale price $145.50 USD
Unit price per
NDS Spee-D Slotted HDPE Class B ADA Compliant Grate - Single

NDS Spee-D Slotted HDPE Class B ADA Compliant Grate - Single

Regular price From $33.30 USD

Regular price Sale price From $33.30 USD
Unit price per
POLYCAST DG0675HD Class D Heel-Proof ADA Compliant Transverse Slotted Ductile Iron 5.19" x 24" Grate

POLYCAST DG0675HD Class D Heel-Proof ADA Compliant Transverse Slotted Ductile Iron 5.19" x 24" Grate

Regular price $60.35 USD

Regular price Sale price $60.35 USD
Unit price per
NDS DS-122 Hold-Down Device Dura Slope Grates

NDS DS-122 Hold-Down Device Dura Slope Grates

Regular price $20.65 USD

Regular price Sale price $20.65 USD
Unit price per
TDS 461D Class E Slotted Ductile Iron 122mm x 500mm Grate

TDS 461D Class E Slotted Ductile Iron 122mm x 500mm Grate

Regular price $39.31 USD

Regular price Sale price $39.31 USD
Unit price per
NDS Mini Channel Slotted ADA Compliant Heel-Proof Polyolefin Grate - Single

NDS Mini Channel Slotted ADA Compliant Heel-Proof Polyolefin Grate - Single

Regular price $29.28 USD

Regular price Sale price $29.28 USD
Unit price per

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Drainage News

Why Do Drains Back Up During Heavy Rain & How Can You Prevent It?
Jun 05, 2026
“Cathedral” Grating for NDS Mini Channel
Sep 12, 2025
What is Load Class and Why Is It Important?
Sep 12, 2025

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