
Technical Specifications of Double Head Punching Shear Stud Rails
To begin with, we manufacture our punching shear stud rails in a range of sizes. Specifically, the table below summarizes the standard product range.
| Rebar Grade | Stud Diameter | Head Diameter | Stud Height | Standard | Typical Application |
|---|---|---|---|---|---|
| B420C | 10 mm | 30 mm (3×d) | 100 – 600 mm | EC2 / DIN 488 | Flat slab column connections |
| B420C | 12 mm | 36 mm (3×d) | 120 – 800 mm | EC2 / DIN 488 | Footing and raft foundations |
| B500B | 16 mm | 48 mm (3×d) | 150 – 1000 mm | EC2 / DIN 488 | Heavy flat slab & ground slab |
| B500B | 20 mm | 60 mm (3×d) | 200 – 1000 mm | EC2 / DIN 488 | Pile caps & thick foundations |
| B500B | 25 mm | 75 mm (3×d) | 250 – 1000 mm | EC2 / DIN 488 | Heavy infrastructure footings |
Material & Welding Specifications for Punching Shear Stud Rails
- To begin with, we use B420C or B500B weldable ribbed reinforcement bars as the base material. This ensures high yield strength for our punching shear studs.
- Moreover, the stud heads are hot forged to 3 times the shank diameter to provide reliable mechanical anchorage in concrete. This 3:1 head-to-shank ratio is standard across the industry.
- Additionally, we tack weld the double-headed studs to a flat steel carrier rail. The rail performs no structural function but ensures accurate stud alignment, spacing, and vertical positioning during concrete pouring.
- Furthermore, our stud rails comply with EC2 (Eurocode 2) requirements for punching shear reinforcement. The design method follows Section 6.4 of BS EN 1992-1-1.
- For special orders, we supply stainless steel stud rails for corrosion-resistant applications.
- Finally, we offer OEM & ODM — we customize stud diameter, height, spacing, rail length, and layout according to your design drawings.
EC2 & DIN 488 — Understanding the Standards for Punching Shear Stud Rails
In fact, two key standards govern punching shear stud rails in European markets. Furthermore, understanding the difference helps you select the right product for your project.
To begin with, Eurocode 2 (EC2) is the European design code for concrete structures. It specifies punching shear reinforcement design in Section 6.4, covering the calculation of shear stress at control perimeters around columns. Stud rails designed to EC2 typically place the first stud at 0.5d from the column face, with spacing between studs set at 0.75d (where d = effective slab depth).
Moreover, DIN 488 is the German standard for reinforcing steel. B500B is the most widely used grade, with a characteristic yield strength of 500 N/mm² and high ductility class B. Therefore, stud rails manufactured from B500B offer excellent ductility and reliable performance in seismic and dynamic loading conditions.
Key Design Parameters for Punching Shear Stud Rails to EC2
| Parameter | Specification |
|---|---|
| First stud distance from column face | 0.5d |
| Stud spacing | 0.75d |
| Control perimeter | 2d from column face |
| Head diameter | 3× shank diameter |
| Stud height range | 100 – 1000 mm (in 5mm increments) |
Furthermore, the first generation of EC2 (BS EN 1992-1-1:2004) is the current standard for most projects. Additionally, the second generation of Eurocode 2 is now under development and will introduce updated provisions for stud rail design.
About Our Factory — Direct Manufacturer of Punching Shear Stud Rails
In fact, Tarco Industry operates a modern manufacturing facility. Specifically, we dedicate it to the production of punching shear stud rails and double head deformed rebar anchors.
Furthermore, we complete every step in our own factory. This includes bar cutting, hot forging of stud heads, tack welding to carrier rails, and quality inspection. Consequently, we do not outsource production. We do not act as a middleman.
In addition, we equip our factory with advanced hot forging presses and automated welding lines. As a result, we produce EC2 and DIN 488 compliant stud rails with consistent head geometry and reliable weld quality.
Therefore, whether you need B420C or B500B stud rails, Tarco Industry can produce them directly for you.
Factory Direct Advantages
- First, we are a Manufacturer, Not a Trader. You buy directly from Tarco Industry production lines, eliminating middleman markups.
- Second, we handle In-House Production. We produce studs, heads, and rails all under one roof for full quality control.
- Third, we welcome OEM & ODM. We customize stud dimensions, head geometry, spacing, and rail layout.
- Fourth, we maintain Bulk Production Capacity. We ensure stable output for large flat slab and foundation projects.
- Finally, we provide Factory Price. We offer competitive direct pricing for distributors, precast producers, and EPC contractors.
Why Choose Our Double Head Punching Shear Stud Rails?
- For example, our stud rails offer EC2-Compliant Design. They meet the punching shear reinforcement requirements of Eurocode 2 Section 6.4.
- In addition, they provide DIN 488 Material Compliance. B500B and B420C grades deliver 500 N/mm² and 420 N/mm² yield strength respectively.
- Moreover, they feature 3× Head-to-Shank Ratio. The hot forged heads ensure reliable mechanical anchorage in concrete.
- Furthermore, they ensure Effective Stud Alignment. The steel carrier rail maintains precise spacing and vertical positioning during pouring.
- As a result of their High Ductility, they provide excellent performance under seismic and dynamic loading conditions.
- Finally, we provide Direct Factory Support. Tarco Industry provides technical guidance, samples, and custom production.
How to Install Double Head Punching Shear Stud Rails
- First, verify the design. Confirm the stud diameter, height, spacing, and rail layout match your EC2 design calculation.
- Then, position the rail. Place the stud rail around the column head in the specified layout (radial or orthogonal).
- Next, secure the rail. Tie or nail the carrier rail to the formwork or spacers to maintain position during concrete pouring.
- After that, install slab reinforcement. Place the flexural reinforcement and ensure the studs do not interfere with the rebar mesh.
- Finally, cast the concrete. Pour and compact the concrete, ensuring full encapsulation of the stud heads and shanks.
Applications & Industries for Punching Shear Stud Rails
- For instance, in flat slab construction, contractors use our stud rails to increase punching shear resistance at slab-column connections.
- Also, in footing and raft foundations, they provide shear reinforcement where column loads are concentrated.
- In addition, for pile caps, they transfer shear from the pile to the cap efficiently.
- Furthermore, in ground slabs, they reinforce slab-on-grade where heavy point loads are applied.
- Lastly, in precast concrete construction, they simplify connections and reduce on-site labor.
Quality Assurance & Certifications
Furthermore, Tarco Industry manufactures our punching shear stud rails under strict quality control. Specifically, they comply with Eurocode 2 and DIN 488.
As a result, we perform dimensional inspection, head forging verification, weld visual inspection, and material testing. Moreover, we test every production batch before shipment.
- Additionally, we offer certifications including ISO 9001, CE, and SGS.
- Similarly, our production capacity reaches 100,000 studs per month.
- Also, we set the MOQ at 5,000 studs (negotiable for sample orders).
- In terms of packaging, we offer bundled rails on pallets with custom marking.
- Finally, we deliver within 15–20 business days after order confirmation.
Request a Quote for Double Head Punching Shear Stud Rails
In conclusion, we are Tarco Industry. We are a direct manufacturer of double head deformed rebar punching shear studs rails in B420C and B500B grades.
Therefore, because we produce in our own factory, we offer competitive factory-direct pricing. In other words, you deal with no middleman and no trading company markup.
📩 Contact Tarco Industry now for a free sample or bulk quotation. Additionally, our engineering team can assist you in selecting the right stud diameter, height, spacing, and rail layout for your EC2-compliant punching shear design.
Tarco Industry — We Produce, We Manufacture, We Supply Directly.


