Placeholder Image 简体中文
English
juhong steel strap banner

Strapping Seals Manufacturer 

Steel Seals for Steel, PET & PP Strapping

Strapping seals, also commonly referred to as steel seals in industrial packaging, are used to secure overlapping strap ends after tensioning. They are widely used with steel strapping, PET strapping, and PP strapping to improve load stability during storage, handling, and transportation.
JUHONG manufactures a full range of strapping seals in multiple seal types, sizes, and surface finishes for manual tools, pneumatic tools, and machine-grade applications. Whether you need steel strapping seals for heavy-duty loads or metal seals for plastic strapping, we help match the right seal to your strap material, tool type, and packaging environment.
Request a Quote
PET banner JUHONG
juhong-packing-interpack-2026-mobile-invitation

Why Choose JUHONG as Your Strapping Seals Manufacturer

China's Leading strapping seals Manufacturer | Reliability Defined by the Standard Setter
A strapping seal is more than a piece of formed metal; it is a safety component. Our quality assurance goes beyond visual checks. In our specialized inspection room, every batch undergoes a dual-verification process: precision thickness gauging and destructive tensile testing of the completed joint. We don't just hope it holds; we prove it does." —— Lead Quality Engineer, Juhong Packing
01.
 
 

National Standard Expertise for Strapping Seals

 
Juhong is the benchmark, not just a manufacturer. As a primary drafter of the Chinese National Standard GB/T 39040-2020 (Steel Seals and Edge Protectors for Packing), we define the technical specifications that the industry follows. Choosing Juhong means choosing a product engineered at the very source of the standard.
 
 
02.
 
 

Precision Thickness Control for Stable Tool Compatibility

 
Operational uptime depends on precision. In our inspection room, every batch is verified with digital micrometers to ensure a thickness tolerance within ±0.035mm. This exactness guarantees that our seals won't jam in high-speed pneumatic tools, protecting your equipment and reducing downtime.
03.
 
 

Verified Joint Efficiency Through Tensile Testing

 
We prove reliability through destruction. Our quality lab performs Tensile Testing on the strap after the seal is crimped. By ensuring a Joint Efficiency of 85%–90% of the strap's break strength, we guarantee the joint will not fail even under extreme dynamic shocks during transit.
04.
 
 

High-Grip Design for Steel and Plastic Strapping

 
JUHONG seals are designed to provide stable grip and anti-slip performance in both steel strapping and selected plastic strapping applications. A reliable seal structure helps improve joint stability and supports safer packaging under demanding transport conditions.
05.
 
 

Compatibility With Manual, Pneumatic, and Machine Tools

 
We supply strapping seals suitable for manual tools, pneumatic strapping tools, and machine sealing systems. Better dimensional consistency helps improve fit, sealing efficiency, and compatibility across different packaging operations.
06.
 
 

OEM Strapping Seals Service With Stable Supply Capacity

 
With a 28-year heritage and a monthly capacity of 5,000 tons, Juhong offers unparalleled supply chain stability. We provide bespoke OEM services, including custom logo embossing, specialized specifications, and anti-rust coatings , tailoring every order to your specific branding and security needs.
 
 

Authority Highlights

The Standard for the Industry: Juhong is proud to be the principal drafting unit of the China National Standard GB/T 39040—2020 (Packaging—Steel strapping seals). Our products are not just compliant; they are the benchmark for joint efficiency and safety in the global strapping industry.

Our Steel Seals Products

Can't Find Ideal Steel Seals For Your Industries?

What Are Strapping Seals?

Strapping seals are metal fastening components used to secure overlapping strap ends after tensioning. In industrial packaging, they are also commonly referred to as steel seals, metal strap clips, or banding seals. They are widely used with steel strapping for heavy-duty bundling and with PET or PP strapping in selected applications where additional grip is needed. By creating a secure mechanical joint, strapping seals help reduce slippage, improve load stability, and keep products secure during storage, transportation, and handling.

Surface Finishes of Steel Strapping Seals

Surface finish affects corrosion resistance, handling performance, and sealing stability. JUHONG supplies steel strapping seals in different finishes to match various industrial packaging environments, including cold-rolled and galvanized options for manual-grade and machine-grade applications.

Galvanized Strapping Seals for Corrosion Resistance:

 
Galvanized strapping seals provide improved corrosion resistance and are suitable for export packaging, warehouse storage, and environments with higher humidity. The zinc-coated surface also helps maintain appearance and dimensional stability while supporting smooth sealing performance.

Cold-Rolled Strapping Seals for Strength and Cost Efficiency

 
Cold-rolled strapping seals retain the inherent strength and rigidity of the steel substrate, making them suitable for many industrial strapping applications. They are often chosen where mechanical strength, crush resistance, and cost efficiency are all important.

Green polyester strap(1)

 

Cold-Rolled Manual Strapping Seals

 

Green polyester strap(1)

 

Galvanized Manual Strapping Seals

 

Green polyester strap(1)

 

Cold-Rolled Machine-Grade Strapping Seals

 

Green polyester strap(1)

 

Zinc-Coated Machine-Grade Seals

 

Types of Strapping Seals for Steel, PET, and PP Strapping

Different strapping applications require different seal structures. Some seal types are designed for steel strapping under high tension, while others are more suitable for PET or PP strapping where grip and anti-slip performance are important. Choosing the right strapping seal helps improve joint strength, sealing efficiency, and packaging safety.

Serrated Seals

 

Serrated Seals

 

Snap On Seal

 

Snap-on Seal

 

Magazine Seal

 

Magazine Seal

 

Dotted Seals

 

Dotted Seals

 

Thread-on Seal

 

Thread-on Seal

 

Right Angle Seal

Right Angle Seal

 

Closed Seals

 

Closed Seals

 

Open-flange Seal

 

Open-flange Seal

 

Simple Edge Protector

 

Simple Edge Protector

 

Serrated Seals for PET and PP Strapping

 
Serrated seals are commonly used for PET strapping and PP strapping. The inner teeth increase friction and improve grip on the plastic strap surface, helping reduce slippage after sealing. They are suitable for palletized goods, cartons, and medium-duty unitized loads.
  

Push Type Seals for Round or Irregular Packages

 
Push type seals are commonly used on round, irregular, or coil-shaped packages. They are suitable for steel strapping applications where secure holding performance is required for difficult package geometry.

Dotted Seals for Plastic Strapping Applications

 
Dotted seals use a textured inner surface to improve grip on PET or PP strapping. They are suitable for selected plastic strapping applications where additional holding force is needed without excessive strap damage.

Magazine Seals for Automatic Strapping Tools

 
Magazine seals are designed for seal-feed combination tools and automatic strapping systems. They are suitable for packaging lines that require faster sealing speed, more consistent feeding, and improved productivity.

Thread-On Seals for Heavy-Duty Steel Strapping

 
Thread-on seals are used in heavier steel strapping applications. They are threaded onto the strap before tensioning and are often selected where stronger joint performance is required.

Open Flange Seals for High-Tension Loads

 
Open flange seals are designed for demanding steel strapping applications. Their structure helps improve holding performance under higher strap tension and heavier packaging conditions.

Snap-On Seals for Steel Strapping

 
Snap-on seals are one of the most common seal types for steel strapping. They can be positioned over overlapping strap ends during or after tension

Custom Strapping Seals Service

JUHONG provides OEM and custom manufacturing support for customers who need branding, specific purchasing requirements, or local market packaging solutions.

Custom Embossed Logo on Strapping Seals

We can produce strapping seals with embossed customer logos or identification marks to support branding, product recognition, and market differentiation.
Steel Seals with logo

Custom Packaging and OEM Labeling

Custom packaging options are available for distributors, wholesalers, and brand owners. We can support custom carton labels, packaging marks, and OEM presentation based on your market needs.
Customized packaging for steel seals(1)(1)

Strapping Seals Sizes and Specifications

We supply manual-grade and machine-grade strapping seals in different lengths, widths, and packaging quantities. The correct specification depends on strap width, strap material, sealing method, and the tool system used in your packaging line.

 

MANUAL GRADE STEEL SEALS

Seals Length

Seals Width

PCS/CTN

inch

mm

inch

mm

 

Serrated Seal

1.02

26

1/2

13

1000/2000/5000

1.02

26

5/8

16

1000/2000/5000

1.02

26

3/4

19

1000/2000/5000

1.1

28

1/2

13

1000/2000/5000

1.1

28

5/8

16

1000/2000/5000

1.1

28

3/4

19

1000/2000/5000

Snap-on Seal

1.26

32

1/2

13

1000/2000

1.26

32

5/8

16

1000/2000

1.26

32

3/4

19

1000/2000

Push Type Seal

0.86

22

1/2

13

1000/2000/5000

0.86

22

5/8

16

1000/2000/5000

0.86

22

3/4

19

1000/2000/5000

0.98

25

5/8

16

1000/2000/5000

0.98

25

3/4

19

1000/2000/5000

1.26

32

3/4

19

1000/2000

1.5

38

1-1/4

32

1000

1.57

40

3/4

19

1000/2000

1.57

40

1

25

1000

1.57

40

1-1/4

32

1000

1.77

45

3/4

19

1000

1.77

45

1

25

1000

1.77

45

1-1/4

32

1000

1.89

48

3/4

19

1000

1.89

48

1

25

1000

1.89

48

1-1/4

32

1000

1.97

50

3/4

19

1000

1.97

50

1

25

1000

1.97

50

1-1/4

32

1000

2.09

53

1-1/4

32

1000

2.17

55

3/4

19

1000

2.17

55

1-1/4

32

1000

2.24

57

3/4

19

1000

2.24

57

1-1/4

32

1000

2.95

75

1-1/4

32

1000

Thread-on Seal

1.77

45

1-1/4

32

1000

1.89

48

1-1/4

32

1000

1.97

50

1-1/4

32

1000

2.17

55

3/4

19

1000

Open-flange Seal

2.17

55

1

25

1000

2.17

55

1-1/4

32

1000

Simple Edge Protector

6.69

140

2.76

70

500

6.69

140

2.76

70

500

Right Angle Seal

1.26

32

 

 

1000

 

Machine-Grade Strapping Seals Specifications

Seals Length

Seals Width

PCS/CTN

inch

mm

inch

mm

 

1.1

28

3/4

19

5000

1.5

38

1-1/4

32

2000

1.57

40

 1-1/4

32

1000

1.97

50

 1-1/4

32

1000

2.95

75

 1-1/4

32

1000

How to Choose the Right Seal Size for Your Strap Width

The seal size should match the strap width, strap thickness, and sealing method. A properly matched seal helps improve grip, tool compatibility, and joint reliability, while reducing sealing problems in daily operation.

JUHONG Strapping Seals Packaging

Manual-Grade Strapping Seals Packaging

Manual Grade Steel Seals Packaging(1)

Machine-Grade Strapping Seals Packaging

Machine Grade Steel Seals Packaging(1)

Strapping Seals Applications by Industry

Strapping seals are widely used across metallurgy, steel processing, non-ferrous metals, glass, timber, building materials, paper, and export pallet packaging. Different industries require different seal types, strap materials, and joint strength levels. \n\nFor heavy-duty steel products such as coils, bars, and industrial bundles, steel strapping seals are commonly selected for stronger holding performance and better load security. For selected palletized or unitized goods packed with PET or PP strapping, serrated metal seals can provide added grip and help reduce slippage during transport.

How To Use Steel Seals With Plastic Strapping & Steel Strapping?

JUHONF-packing-materials-factory

JUHONG Packaging Capacity for Strapping Systems

As a leading manufacturer of Plastic straps in the country, our facilities boast an impressive annual production capacity, including 60,000 tons of steel straps, 300 million steel seals, 12,000 tons of polyester straps, and 12,000 tons of wrapping film. What sets us apart is our unique position as the sole company in China that integrates the production of steel straps, polyester straps, PE wrapping film, and steel seals, offering our clients a comprehensive suite of services.
JUHONG Packing Materials Manufacturing upholds a relentless spirit of innovation, consistently pushing the boundaries of our industry. Our commitment to elevating product quality and providing top-notch services has earned us widespread recognition from consumers and high praise within the industry.

Juhong in Figures

We take pirde in manufacturing top quality production of packing materials and we ar alwasys fortoward-looking.
 20000+m² 23+Production lines  
27 years of production experience  
JUHONG Packing Materials Company
 500m² R&D QC&QA Center  
Product research and development as well as product quality control  
JUHONG R&D center
   Provide one-stop service The only company in China that integrates the production of steel straps, polyester straps, PE packaging films and strapping seals
JUHONG Products
 35+ Certificates  
Rich Certificates for system and products
The-certificate-obtained-by-Juhong

Steel Seals Production Process

  • Raw material slitting(1)
    1.Raw material slitting
  • Material Feed(1)
    2.Material Feed
  • Stamping
    3.Stamping
  • Forming
    4.Forming
  • Automatic Counting(1)
    5.Automatic Counting
  • Packing(1)
    6.Packing
  • Warehousing(1)
    7.Warehousing
  • Delivery(1)
    8.Delivery
We guarantee to make every efforts to delivery the goods on time. However, in case of we fail to deliver on time, we will take full responsibility and are willing to offer discount for each week of delay delivery.

Our Customers Around The World

partner

Strapping Seals FAQ

As a leading manufacturer of packing materials

INTERPACK 2026
INTERPACK 2026
  07-13 MAY, 2026  
Stockumer Kirchstraße 61, 40474 Düsseldorf, Germany
Booth No.: Hall 8b, H79-1
Products
Company
Consult Your Steel Strap Experts
Inquiry Now
© COPYRIGHT 2025 JUHONG PACKING MATERIALS JIANGSU Co.,Ltd. ALL RIGHTS RESERVED.