Galvanized Black Steel Bar Grating for ISO Company

Model NO.: galvanized black steel bar grating
Feature: Anti-Acid
Customized: Customized
Color: Silver
Certification: ISO9001
Grating Specification: 19-W-4, 15-W-2, 30/100, 40/50, 60/100 and All
Grating Size: 3′x20′, 3′x24′, 3′x30′, 1000X1000, 1000X5800, 100
Grating Main Market: USA, Aus, UK, Kuwait, South America, Malaysia
Grating Products Scope: Steel Grating, Smooth & Serrated, Trench Cover, St
Grating Application: Industrial Platform, Flooring and Walkway, Traffic
Grating Steel Standard: ASTM A36, A1011, A569, Q235
Grating Standard: ANSI/Naamm(Mbg531-88), BS4592-1987, Yb/T4001-2002
Grating Company: ISO9001-2008
Grating Surface Treatment: Hot DIP Galvanized, Painting, Self Colour / Untrea
Grating Steel Material: Low Carbon Steel, Mild Steel, Stainless Steel
Trademark: LIHONG
Transport Package: Bundles by Steel Belts in The Containers
Specification: USA, UK, GB
Origin: China
HS Code: 7308900000
galvanized black steel bar grating for ISO company


Ningbo Lihongyuan Steel Grating Co., Ltd is a leading professional manufacturer of steel grating, stair treads, handrails, trench grating, grating clips, cable trays in China and 75% of grating is regularly exported to USA, AUS, Kuwait, Chile, Singapre, Indonesia, Africa, UK and so on. Our grating always have a good reputation in the world.

Hot DIP galvanized steel grating has three kinds of steel gratings, they are Plain Style Steel Grating, Serrated Style Steel Grating and I Bar Type Steel Grating. They are widely used in steel structure platforms, stair treads, sidewalks, drainages and well covers etc. We can design and manufacture standard steel grating and in customized shapes per client's requirements.

1) Bearing Bar (Load Bar) Specifications (mm):
The specification of plain type and serrated type bearing bar is 20 x 3 to 100 x 10; The specification of I-section type is 25 x 5 x 3, 32 x 5 x 3, 38 x 5 x 3, 40 x 5 x 3, 50 x 5 x 3, 50 x 7 x 4, 55 x 7 x 4, 60 x 7 x 4, 65 x 7 x 4, 70 x 7 x 4, 75 x 7 x 4, etc.

2) Bearing Bar Pitch (center to center):
12.5, 15, 25, 30, 30.16, 32.5, 34, 40, 41.25, 45, 50, 60, 60.32, 80, 100 mm etc, also be according to client's requirement and 30, 40, 60mm are recommended,
America standard is available <1'' x 3/16'', 1 1/4'' x 3/16'', 1-1/2'' x 3/16'', 1'' x 1/4'', 1-1/4'' x 1/4'', 1 1/2'' x 1/4''(19-w-4) and so on. >

3) Cross Bar Pitch (center to center): 
  38.1, 40, 50, 60, 76, 80, 90, 100, 101.6, 102, 135mm and so on

4) Material:
Mild Steel (Low Carbon Steel) or Stainless Steel

5) Surface Treatment:
Untreated, Painting or Hot DIP Galvanizing

6) Steel grating standards:
A) China: YB/T4001-1998
B) USA: ANSI/NAAMM (MBG531-88)
C) UK: BS4592-1987
D) Australia: AS1657-1985
E) Japan: JJS.
No. Item Detailed Description
1 Bearing Bar 25x3, 25x4, 25x4.5, 25x5, 30x3, 30x4, 30x4.5, 30x5, 32x5, 40x5, 50x5, 65x5, 75x6, 75x10---100x10mm etc; I bar: 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 1/2' ' x1/4' ' , 1' ' x1/8' ' , 1 1/4' ' x1/8' ' , 1 1/2' ' x1/8' ' etc
2 Bearing Bar Pitch 12.5, 15, 20, 25, 30, 30.16, 30.3, 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
3 Twisted Cross Bar Pitch 38.1, 40 50, 60, 76, 80, 100, 101.6, 120mm, 2' ' & 4' ' etc                                                   
4 Steel  Grade ASTM A36, A1011, A569, Q235, S235JR, S275JR, SS304, Mild steel & Low carbon steel, etc
5 Surface Treatment Black, self colour, hot dip galvanized, painted, spray coating   
6 Grating Style Plain / Smooth, Serrated /teeth, I bar, serrated I bar                                                         
7 Grating Standard China: YB/T 4001.1-2007,   USA: ANSI/NAAMM(MBG531-88),
UK: BS4592-1987,   Australia: AS1657-1985, Japan: JIS                                               
ISO 9001-2008 & SGS COMPANY, GRATING SPECIALIST, YOUR GRATING SOLUTIONS! MR. DAVID
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Contact Information:
Sales Director: David Huang
Mobile: 0086 137 57445098
 Office Call:   0086 574 88073967
FAX: 0086 574 88073962
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Double End Studs

A stud is a special type of fastener used to strengthen the connection of materials. It has two heads that can be used in the coils on both sides, which can better fix the distance between the two coils. Studs are commonly used for structural connections of large structures such as buildings, bridges and aircraft. In addition, double-ended studs are also a commonly used fastener in shipbuilding technology, which can usually reduce the pressure between nuts and studs and prolong the service life of the structure. The advantages of double-ended studs include high strength, corrosion resistance, customized size according to customer requirements, and high temperature and high pressure resistance.


Double end studs are fasteners that have threads on both ends, allowing them to be screwed into two separate components. They are typically used to join two objects together, such as flanges or machinery parts.

Double end studs are made from various materials, including steel, stainless steel, and brass, depending on the specific application requirements. They come in different sizes and lengths to accommodate different projects.

One end of the double end stud is usually threaded with a male thread, while the other end has a female thread. This design allows for easy installation and removal by simply screwing the stud into the desired components.

These studs are commonly used in construction, automotive, and industrial applications where a strong and secure connection is required. They provide a reliable and durable solution for joining components that may need to be disassembled or adjusted in the future.

Overall, double end studs are versatile and practical fasteners that provide a convenient method for connecting two objects together securely.

Double End Studs,Double End Bolt,Double Threaded Stud,Double End Threaded Stud Bolts

Taizhou Wanluo Hardware Products Co., Ltd. , https://www.wlhardware.com