We always follow the principle of honesty and trustworthiness to promote our high-quality Stair Treads, Galvanized Steel Stair Treads, Heavy Duty Bar Grating to the world. Sticking to the idea of professional, practical, efficient and innovative, we have earned ourselves a high reputation among the world markets. If you wish to get more details about our company, Please contact with us now. We will further bring into play the advantages of the market area, actively grasp the market opportunities and meet the market challenges.
Serrated bar grating, is also called serrated steel grating or serrated steel bar grating, is made of mild carbon steel and stainless steel. Serrated metal bar grating is produced by welding bearing bars and cross bars with certain distances to form a high strength structure. The serrated surface can supply good skid resistance, hot-dipped galvanized treatment is suitable for harsh environment and the stainless steel material provides it a long life performance. Serrated bar grating is widely applied as stair treads, walkways, trench covers, etc.

Item | Serrated Bar Grating |
I Bar Size | 25x5x3, 30x5x3, 32x5x3, 40x5x3 etc, US standard: 1''x3/16'', 1 1/4''x3/16'', 1 1/2''x3/16'', 1''x1/4'', 1 1/4''x1/4'', 1 |
Bearing Bar Pitch | 12.5, 15, 20, 23.85, 25, 30, 30.16, 31, 32.5, 34.3, 35, 38.1, 40, 41.25, 60, 80mm etc. US standard: 19-w-4, 15-w-4, 11-w-4,19-w-2, 15-w-2 etc. |
US standard | 19-w-4, 15-w-4, 11-w-4, 19-w-2, 15-w-2 etc Twisted Cross Bar Pitch 38.1, 50, 60, 76, 80, 100, 101.6, 120mm, 2'' & 4'' etc |
Material Grade | ASTM A36, A1011, A569, Q235, S275JR, SS304, SS400 Mild steel & Low carbon steel, etc |
Surface Treatment | Black, self color, hot dip galvanized, painted, spray coating |
Grating Style | Plain / Smooth, Serrated /teeth, I bar, serrated I bar |
Standard | China: YB/T 4001.1-2007, USA: ANSI/NAAMM(MBG531-88), UK: BS4592-1987, Australia: AS1657-1985, Germany: DIN24537-1-2006, Japan :J |

Product Advantages
* Beautiful appearance, strong anti-rust, strong anti-skid bearing capacity, easy to install.
* The mesh is large and has the best drainage; the leakage area is 83.3%, which is more than twice that of cast iron.
* High-strength carbon steel, hot-dip galvanized on the surface, can prevent oxidation.

FAQ
Q1:Are you factory or trading company?
A: We are factory which located in Wuxi city, China. It's close to Shanghai port. Welcome visit our factory.
Q2: What 's your delivery time?
A: Normally 5 days after all your payment.
Q3: One hundred percent of quality assurance
A: Each production link will be sent via image information to the customer, let the customer rest assured.
Q4: The most preferential price
A: We are direct manufacturer, so gives customers the factory price. At the same time, no matter FOB or CIF, we can help customers find the most cost-effective mode of transportation, let the customer profit maximum.
Q5: The most comprehensive after-sales service
A: Any question is welcome
Our textured design not only helps to improve the practical functions of our Building Material Heavy Duty Press Locked / Serrated / I Bar Grille Stair Tread / Steel Grating, but also can promote the product the energetic value. We are here to answer your questions from Monday to Saturday and looking forward to cooperating with you. We insist on the collection, analysis and interpretation of market information to help our company better understand the market and consumer needs, and help our company formulate reasonable and effective market and business strategies.
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