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BHMB12906020S
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BHMB12906025S
In Stock
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BHMB12906030S
In Stock
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BHMB12906040S
In Stock
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BHMB12906060S
In Stock
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Meet BUMAX® DX 129 – the world’s strongest stainless steel bolts. In high-stakes engineering and construction, the challenge is clear: sourcing a bolt that matches 12.9 carbon steel's raw strength without succumbing to corrosion in the harshest environments.
BUMAX® DX 129 is precision-engineered for extreme conditions with superior performance grounded in proven material science. It eliminates rework and guarantees strength and reliability. Specify BUMAX® DX 129 to ensure your project and reputation stand the test of time.
Made in Sweden with 100% European traceability (3.1 certificates available traceable to box labels), it meets rigorous standards like ISO 3506, NORSOK, and EN 13445—ensuring compliance for regulated industries.
BUMAX Quality and Environmental
Environmental Product Declaration (EPD) in accordance with ISO 14025 and EN 15804
Industrial Machinery-Power Transmission
The Challenge
Ringfeder is a German manufacturer of high-performance shaft-hub connections, damping solutions and coupling systems for a wide range of industries. Previously, Ringfeder’s stainless-steel coupling product range could not offer the same torque transmission performance as their standard product range. However, the discovery of BUMAX® fasteners offered Ringfeder a unique opportunity to improve the specification of their stainless-steel product offering.
Main Considerations
The Solution
BUMAX® 109 and DX 129 screws now incorporated into Ringfeder’s stainless-steel product range means that they can now match the mechanical performance of their standard product range. There is no longer any compromise for their customers in terms of mechanical performance, when corrosion resistant products are required. During 2020 alone, over 80,000 BUMAX fasteners were installed in over 7,000 Ringfeder stainless-steel products.
BUMAX® DX 129 matches the tensile power of class 12.9 carbon steel fasteners while outperforming in real-world durability. Key metrics include:
This positions BUMAX® DX 129 as the only stainless bolt comparable to 12.9 carbon steel, but with zero risk of hydrogen embrittlement or coating failures. In fatigue tests, it boasts 36% longer endurance than 12.9 carbon steel, ideal for vibrating machinery, seismic applications or cyclic loads in challenging conditions. Bumax® DX 129 maintains integrity where carbon steels corrode, extending service life by decades in marine, offshore, and industrial settings.
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BHMB12906020S
In Stock
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BHMB12906025S
In Stock
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|
|
BHMB12906030S
In Stock
|
|
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BHMB12906040S
In Stock
|
|
|
BHMB12906060S
In Stock
|
|
Meet BUMAX® DX 129 – the world’s strongest stainless steel bolts. In high-stakes engineering and construction, the challenge is clear: sourcing a bolt that matches 12.9 carbon steel's raw strength without succumbing to corrosion in the harshest environments.
BUMAX® DX 129 is precision-engineered for extreme conditions with superior performance grounded in proven material science. It eliminates rework and guarantees strength and reliability. Specify BUMAX® DX 129 to ensure your project and reputation stand the test of time.
Made in Sweden with 100% European traceability (3.1 certificates available traceable to box labels), it meets rigorous standards like ISO 3506, NORSOK, and EN 13445—ensuring compliance for regulated industries.
BUMAX Quality and Environmental
Environmental Product Declaration (EPD) in accordance with ISO 14025 and EN 15804
Industrial Machinery-Power Transmission
The Challenge
Ringfeder is a German manufacturer of high-performance shaft-hub connections, damping solutions and coupling systems for a wide range of industries. Previously, Ringfeder’s stainless-steel coupling product range could not offer the same torque transmission performance as their standard product range. However, the discovery of BUMAX® fasteners offered Ringfeder a unique opportunity to improve the specification of their stainless-steel product offering.
Main Considerations
The Solution
BUMAX® 109 and DX 129 screws now incorporated into Ringfeder’s stainless-steel product range means that they can now match the mechanical performance of their standard product range. There is no longer any compromise for their customers in terms of mechanical performance, when corrosion resistant products are required. During 2020 alone, over 80,000 BUMAX fasteners were installed in over 7,000 Ringfeder stainless-steel products.
BUMAX® DX 129 matches the tensile power of class 12.9 carbon steel fasteners while outperforming in real-world durability. Key metrics include:
This positions BUMAX® DX 129 as the only stainless bolt comparable to 12.9 carbon steel, but with zero risk of hydrogen embrittlement or coating failures. In fatigue tests, it boasts 36% longer endurance than 12.9 carbon steel, ideal for vibrating machinery, seismic applications or cyclic loads in challenging conditions. Bumax® DX 129 maintains integrity where carbon steels corrode, extending service life by decades in marine, offshore, and industrial settings.
BUMAX® DX 129: The World's Strongest Stainless Steel Bolts
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Request a copy of our Engineering & Marine, or Construction Wall Chart.
Click here to download a PDF of our Engineering Catalogue. This catalogue includes stainless fasteners and fittings, marine hardware and construction brackets.
Click here to download a PDF of our Construction Catalogue. This catalogue includes stainless/galvanized fasteners and fittings, and construction brackets.
