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The World's Strongest Stainless Steel Fasteners

BUMAX® stainless steel fasteners deliver exceptional strength, corrosion resistance, and long-term reliability for demanding industrial applications where performance cannot be compromised.

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Designed for Critical Applications

BUMAX fasteners are trusted wherever strength, durability, and corrosion resistance matter most.

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Energy (Wind Turbines)

High-performance solutions for renewable energy applications

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Marine & Offshore

Corrosion-resistant components for harsh marine environments

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Aerospace & Defense

Precision-engineered parts meeting strict aerospace standards

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Industrial Machinery

Durable fasteners and components for heavy-duty machinery

Why Choose BUMAX Fasteners?

When standard stainless steel fasteners aren't enough, BUMAX delivers superior performance engineered for critical applications.

High-strength stainless steel grades

Outstanding corrosion resistance

Reliable performance in extreme environments

Precision manufacturing for consistent quality

Trusted across demanding industries worldwide

Shop BUMAX Fasteners

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Featured Products

Browse a selection of high-performance BUMAX stainless steel fasteners designed for demanding industrial applications.

BUMAX Socket Head Cap Screw, M16 x 2.00 x 50 mm, Bumax 109 Stainless Steel, ISO 4762 by Spaenaur Inc.

BUMAX Socket Head Cap Screw, M16 x 2.00 x 50 mm, Bumax 109 Stainless Steel, ISO 4762 by Spaenaur Inc.

BUMAX Socket Head Cap Screw, M16 x 2.00 x 50 mm, Bumax 109 Stainless Steel, ISO 4762 by Spaenaur Inc.

BUMAX Socket Head Cap Screw, M16 x 2.00 x 50 mm, Bumax 109 Stainless Steel, ISO 4762 by Spaenaur Inc.

BUMAX Socket Head Cap Screw, M16 x 2.00 x 50 mm, Bumax 109 Stainless Steel, ISO 4762 by Spaenaur Inc.

BUMAX Socket Head Cap Screw, M16 x 2.00 x 50 mm, Bumax 109 Stainless Steel, ISO 4762 by Spaenaur Inc.

BUMAX Socket Head Cap Screw, M16 x 2.00 x 50 mm, Bumax 109 Stainless Steel, ISO 4762 by Spaenaur Inc.

BUMAX Socket Head Cap Screw, M16 x 2.00 x 50 mm, Bumax 109 Stainless Steel, ISO 4762 by Spaenaur Inc.

BUMAX Socket Head Cap Screw, M16 x 2.00 x 50 mm, Bumax 109 Stainless Steel, ISO 4762 by Spaenaur Inc.

BUMAX Socket Head Cap Screw, M16 x 2.00 x 50 mm, Bumax 109 Stainless Steel, ISO 4762 by Spaenaur Inc.

BUMAX Socket Head Cap Screw, M16 x 2.00 x 50 mm, Bumax 109 Stainless Steel, ISO 4762 by Spaenaur Inc.

BUMAX Socket Head Cap Screw, M16 x 2.00 x 50 mm, Bumax 109 Stainless Steel, ISO 4762 by Spaenaur Inc.

BUMAX Socket Head Cap Screw, M16 x 2.00 x 50 mm, Bumax 109 Stainless Steel, ISO 4762

BMX-S16-0050

$61.11

Package Qty

2

BUMAX Socket Head Cap Screw, Flat Head, M4 x 0.70 x 20 mm, Bumax 88 Stainless Steel, ISO 10642 by Spaenaur Inc.

BUMAX Socket Head Cap Screw, Flat Head, M4 x 0.70 x 20 mm, Bumax 88 Stainless Steel, ISO 10642 by Spaenaur Inc.

BUMAX Socket Head Cap Screw, Flat Head, M4 x 0.70 x 20 mm, Bumax 88 Stainless Steel, ISO 10642 by Spaenaur Inc.

BUMAX Socket Head Cap Screw, Flat Head, M4 x 0.70 x 20 mm, Bumax 88 Stainless Steel, ISO 10642 by Spaenaur Inc.

BUMAX Socket Head Cap Screw, Flat Head, M4 x 0.70 x 20 mm, Bumax 88 Stainless Steel, ISO 10642

BMX-F04-0020

$19.18

Package Qty

10

BUMAX Socket Head Cap Screw, Flat Head, M12 x 1.75 x 40 mm, Bumax 88 Stainless Steel, ISO 10642 by Spaenaur Inc.

BUMAX Socket Head Cap Screw, Flat Head, M12 x 1.75 x 40 mm, Bumax 88 Stainless Steel, ISO 10642 by Spaenaur Inc.

BUMAX Socket Head Cap Screw, Flat Head, M12 x 1.75 x 40 mm, Bumax 88 Stainless Steel, ISO 10642 by Spaenaur Inc.

BUMAX Socket Head Cap Screw, Flat Head, M12 x 1.75 x 40 mm, Bumax 88 Stainless Steel, ISO 10642 by Spaenaur Inc.

BUMAX Socket Head Cap Screw, Flat Head, M12 x 1.75 x 40 mm, Bumax 88 Stainless Steel, ISO 10642

BMX-F12-0040

$58.00

Package Qty

5

BUMAX Socket Head Cap Screw, Flat Head, M6 x 1.00 x 30 mm, Bumax 88 Stainless Steel, ISO 10642 by Spaenaur Inc.

BUMAX Socket Head Cap Screw, Flat Head, M6 x 1.00 x 30 mm, Bumax 88 Stainless Steel, ISO 10642 by Spaenaur Inc.

BUMAX Socket Head Cap Screw, Flat Head, M6 x 1.00 x 30 mm, Bumax 88 Stainless Steel, ISO 10642 by Spaenaur Inc.

BUMAX Socket Head Cap Screw, Flat Head, M6 x 1.00 x 30 mm, Bumax 88 Stainless Steel, ISO 10642 by Spaenaur Inc.

BUMAX Socket Head Cap Screw, Flat Head, M6 x 1.00 x 30 mm, Bumax 88 Stainless Steel, ISO 10642

BMX-F06-0030

$25.77

Package Qty

10

BUMAX Socket Head Cap Screw, Flat Head, M6 x 1.00 x 40 mm, Bumax 88 Stainless Steel, ISO 10642 by Spaenaur Inc.

BUMAX Socket Head Cap Screw, Flat Head, M6 x 1.00 x 40 mm, Bumax 88 Stainless Steel, ISO 10642 by Spaenaur Inc.

BUMAX Socket Head Cap Screw, Flat Head, M6 x 1.00 x 40 mm, Bumax 88 Stainless Steel, ISO 10642 by Spaenaur Inc.

BUMAX Socket Head Cap Screw, Flat Head, M6 x 1.00 x 40 mm, Bumax 88 Stainless Steel, ISO 10642 by Spaenaur Inc.

BUMAX Socket Head Cap Screw, Flat Head, M6 x 1.00 x 40 mm, Bumax 88 Stainless Steel, ISO 10642

BMX-F06-0040

$31.27

Package Qty

10

BUMAX Socket Head Cap Screw, M12 x 1.75 x 20 mm, Bumax 88 Stainless Steel, ISO 4762 by Spaenaur Inc.

BUMAX Socket Head Cap Screw, M12 x 1.75 x 20 mm, Bumax 88 Stainless Steel, ISO 4762 by Spaenaur Inc.

BUMAX Socket Head Cap Screw, M12 x 1.75 x 20 mm, Bumax 88 Stainless Steel, ISO 4762 by Spaenaur Inc.

BUMAX Socket Head Cap Screw, M12 x 1.75 x 20 mm, Bumax 88 Stainless Steel, ISO 4762 by Spaenaur Inc.

BUMAX Socket Head Cap Screw, M12 x 1.75 x 20 mm, Bumax 88 Stainless Steel, ISO 4762 by Spaenaur Inc.

BUMAX Socket Head Cap Screw, M12 x 1.75 x 20 mm, Bumax 88 Stainless Steel, ISO 4762 by Spaenaur Inc.

BUMAX Socket Head Cap Screw, M12 x 1.75 x 20 mm, Bumax 88 Stainless Steel, ISO 4762 by Spaenaur Inc.

BUMAX Socket Head Cap Screw, M12 x 1.75 x 20 mm, Bumax 88 Stainless Steel, ISO 4762 by Spaenaur Inc.

BUMAX Socket Head Cap Screw, M12 x 1.75 x 20 mm, Bumax 88 Stainless Steel, ISO 4762 by Spaenaur Inc.

BUMAX Socket Head Cap Screw, M12 x 1.75 x 20 mm, Bumax 88 Stainless Steel, ISO 4762 by Spaenaur Inc.

BUMAX Socket Head Cap Screw, M12 x 1.75 x 20 mm, Bumax 88 Stainless Steel, ISO 4762 by Spaenaur Inc.

BUMAX Socket Head Cap Screw, M12 x 1.75 x 20 mm, Bumax 88 Stainless Steel, ISO 4762 by Spaenaur Inc.

BUMAX Socket Head Cap Screw, M12 x 1.75 x 20 mm, Bumax 88 Stainless Steel, ISO 4762

BMX-S12-0020

$55.01

Package Qty

5

BUMAX Socket Head Cap Screw, M6 x 1.00 x 80 mm, Bumax 88 Stainless Steel, ISO 4762 by Spaenaur Inc.

BUMAX Socket Head Cap Screw, M6 x 1.00 x 80 mm, Bumax 88 Stainless Steel, ISO 4762 by Spaenaur Inc.

BUMAX Socket Head Cap Screw, M6 x 1.00 x 80 mm, Bumax 88 Stainless Steel, ISO 4762 by Spaenaur Inc.

BUMAX Socket Head Cap Screw, M6 x 1.00 x 80 mm, Bumax 88 Stainless Steel, ISO 4762 by Spaenaur Inc.

BUMAX Socket Head Cap Screw, M6 x 1.00 x 80 mm, Bumax 88 Stainless Steel, ISO 4762 by Spaenaur Inc.

BUMAX Socket Head Cap Screw, M6 x 1.00 x 80 mm, Bumax 88 Stainless Steel, ISO 4762 by Spaenaur Inc.

BUMAX Socket Head Cap Screw, M6 x 1.00 x 80 mm, Bumax 88 Stainless Steel, ISO 4762 by Spaenaur Inc.

BUMAX Socket Head Cap Screw, M6 x 1.00 x 80 mm, Bumax 88 Stainless Steel, ISO 4762 by Spaenaur Inc.

BUMAX Socket Head Cap Screw, M6 x 1.00 x 80 mm, Bumax 88 Stainless Steel, ISO 4762 by Spaenaur Inc.

BUMAX Socket Head Cap Screw, M6 x 1.00 x 80 mm, Bumax 88 Stainless Steel, ISO 4762 by Spaenaur Inc.

BUMAX Socket Head Cap Screw, M6 x 1.00 x 80 mm, Bumax 88 Stainless Steel, ISO 4762 by Spaenaur Inc.

BUMAX Socket Head Cap Screw, M6 x 1.00 x 80 mm, Bumax 88 Stainless Steel, ISO 4762 by Spaenaur Inc.

BUMAX Socket Head Cap Screw, M6 x 1.00 x 80 mm, Bumax 88 Stainless Steel, ISO 4762

BMX-S06-0080

$73.78

Package Qty

10

BUMAX Socket Head Cap Screw, Flat Head, M12 x 1.75 x 70 mm, Bumax 88 Stainless Steel, ISO 10642 by Spaenaur Inc.

BUMAX Socket Head Cap Screw, Flat Head, M12 x 1.75 x 70 mm, Bumax 88 Stainless Steel, ISO 10642 by Spaenaur Inc.

BUMAX Socket Head Cap Screw, Flat Head, M12 x 1.75 x 70 mm, Bumax 88 Stainless Steel, ISO 10642 by Spaenaur Inc.

BUMAX Socket Head Cap Screw, Flat Head, M12 x 1.75 x 70 mm, Bumax 88 Stainless Steel, ISO 10642 by Spaenaur Inc.

BUMAX Socket Head Cap Screw, Flat Head, M12 x 1.75 x 70 mm, Bumax 88 Stainless Steel, ISO 10642

BMX-F12-0070

$91.06

Package Qty

5

BUMAX Socket Head Cap Screw, M8 x 1.25 x 60 mm, Bumax 88 Stainless Steel, ISO 4762 by Spaenaur Inc.

BUMAX Socket Head Cap Screw, M8 x 1.25 x 60 mm, Bumax 88 Stainless Steel, ISO 4762 by Spaenaur Inc.

BUMAX Socket Head Cap Screw, M8 x 1.25 x 60 mm, Bumax 88 Stainless Steel, ISO 4762 by Spaenaur Inc.

BUMAX Socket Head Cap Screw, M8 x 1.25 x 60 mm, Bumax 88 Stainless Steel, ISO 4762 by Spaenaur Inc.

BUMAX Socket Head Cap Screw, M8 x 1.25 x 60 mm, Bumax 88 Stainless Steel, ISO 4762 by Spaenaur Inc.

BUMAX Socket Head Cap Screw, M8 x 1.25 x 60 mm, Bumax 88 Stainless Steel, ISO 4762 by Spaenaur Inc.

BUMAX Socket Head Cap Screw, M8 x 1.25 x 60 mm, Bumax 88 Stainless Steel, ISO 4762 by Spaenaur Inc.

BUMAX Socket Head Cap Screw, M8 x 1.25 x 60 mm, Bumax 88 Stainless Steel, ISO 4762 by Spaenaur Inc.

BUMAX Socket Head Cap Screw, M8 x 1.25 x 60 mm, Bumax 88 Stainless Steel, ISO 4762 by Spaenaur Inc.

BUMAX Socket Head Cap Screw, M8 x 1.25 x 60 mm, Bumax 88 Stainless Steel, ISO 4762 by Spaenaur Inc.

BUMAX Socket Head Cap Screw, M8 x 1.25 x 60 mm, Bumax 88 Stainless Steel, ISO 4762 by Spaenaur Inc.

BUMAX Socket Head Cap Screw, M8 x 1.25 x 60 mm, Bumax 88 Stainless Steel, ISO 4762 by Spaenaur Inc.

BUMAX Socket Head Cap Screw, M8 x 1.25 x 60 mm, Bumax 88 Stainless Steel, ISO 4762

BMX-S08-0060

$32.17

Package Qty

5

BUMAX Socket Head Cap Screw, M6 x 1.00 x 16 mm, Bumax 88 Stainless Steel, ISO 4762 by Spaenaur Inc.

BUMAX Socket Head Cap Screw, M6 x 1.00 x 16 mm, Bumax 88 Stainless Steel, ISO 4762 by Spaenaur Inc.

BUMAX Socket Head Cap Screw, M6 x 1.00 x 16 mm, Bumax 88 Stainless Steel, ISO 4762 by Spaenaur Inc.

BUMAX Socket Head Cap Screw, M6 x 1.00 x 16 mm, Bumax 88 Stainless Steel, ISO 4762 by Spaenaur Inc.

BUMAX Socket Head Cap Screw, M6 x 1.00 x 16 mm, Bumax 88 Stainless Steel, ISO 4762 by Spaenaur Inc.

BUMAX Socket Head Cap Screw, M6 x 1.00 x 16 mm, Bumax 88 Stainless Steel, ISO 4762 by Spaenaur Inc.

BUMAX Socket Head Cap Screw, M6 x 1.00 x 16 mm, Bumax 88 Stainless Steel, ISO 4762 by Spaenaur Inc.

BUMAX Socket Head Cap Screw, M6 x 1.00 x 16 mm, Bumax 88 Stainless Steel, ISO 4762 by Spaenaur Inc.

BUMAX Socket Head Cap Screw, M6 x 1.00 x 16 mm, Bumax 88 Stainless Steel, ISO 4762 by Spaenaur Inc.

BUMAX Socket Head Cap Screw, M6 x 1.00 x 16 mm, Bumax 88 Stainless Steel, ISO 4762 by Spaenaur Inc.

BUMAX Socket Head Cap Screw, M6 x 1.00 x 16 mm, Bumax 88 Stainless Steel, ISO 4762 by Spaenaur Inc.

BUMAX Socket Head Cap Screw, M6 x 1.00 x 16 mm, Bumax 88 Stainless Steel, ISO 4762 by Spaenaur Inc.

BUMAX Socket Head Cap Screw, M6 x 1.00 x 16 mm, Bumax 88 Stainless Steel, ISO 4762

BMX-S06-0016

$20.37

Package Qty

10

BUMAX Socket Head Cap Screw, M8 x 1.25 x 70 mm, Bumax 88 Stainless Steel, ISO 4762 by Spaenaur Inc.

BUMAX Socket Head Cap Screw, M8 x 1.25 x 70 mm, Bumax 88 Stainless Steel, ISO 4762 by Spaenaur Inc.

BUMAX Socket Head Cap Screw, M8 x 1.25 x 70 mm, Bumax 88 Stainless Steel, ISO 4762 by Spaenaur Inc.

BUMAX Socket Head Cap Screw, M8 x 1.25 x 70 mm, Bumax 88 Stainless Steel, ISO 4762 by Spaenaur Inc.

BUMAX Socket Head Cap Screw, M8 x 1.25 x 70 mm, Bumax 88 Stainless Steel, ISO 4762 by Spaenaur Inc.

BUMAX Socket Head Cap Screw, M8 x 1.25 x 70 mm, Bumax 88 Stainless Steel, ISO 4762 by Spaenaur Inc.

BUMAX Socket Head Cap Screw, M8 x 1.25 x 70 mm, Bumax 88 Stainless Steel, ISO 4762 by Spaenaur Inc.

BUMAX Socket Head Cap Screw, M8 x 1.25 x 70 mm, Bumax 88 Stainless Steel, ISO 4762 by Spaenaur Inc.

BUMAX Socket Head Cap Screw, M8 x 1.25 x 70 mm, Bumax 88 Stainless Steel, ISO 4762 by Spaenaur Inc.

BUMAX Socket Head Cap Screw, M8 x 1.25 x 70 mm, Bumax 88 Stainless Steel, ISO 4762 by Spaenaur Inc.

BUMAX Socket Head Cap Screw, M8 x 1.25 x 70 mm, Bumax 88 Stainless Steel, ISO 4762 by Spaenaur Inc.

BUMAX Socket Head Cap Screw, M8 x 1.25 x 70 mm, Bumax 88 Stainless Steel, ISO 4762 by Spaenaur Inc.

BUMAX Socket Head Cap Screw, M8 x 1.25 x 70 mm, Bumax 88 Stainless Steel, ISO 4762

BMX-S08-0070

$35.81

Package Qty

5

BUMAX Socket Head Cap Screw, M6 x 1.00 x 50 mm, Bumax 88 Stainless Steel, ISO 4762 by Spaenaur Inc.

BUMAX Socket Head Cap Screw, M6 x 1.00 x 50 mm, Bumax 88 Stainless Steel, ISO 4762 by Spaenaur Inc.

BUMAX Socket Head Cap Screw, M6 x 1.00 x 50 mm, Bumax 88 Stainless Steel, ISO 4762 by Spaenaur Inc.

BUMAX Socket Head Cap Screw, M6 x 1.00 x 50 mm, Bumax 88 Stainless Steel, ISO 4762 by Spaenaur Inc.

BUMAX Socket Head Cap Screw, M6 x 1.00 x 50 mm, Bumax 88 Stainless Steel, ISO 4762 by Spaenaur Inc.

BUMAX Socket Head Cap Screw, M6 x 1.00 x 50 mm, Bumax 88 Stainless Steel, ISO 4762 by Spaenaur Inc.

BUMAX Socket Head Cap Screw, M6 x 1.00 x 50 mm, Bumax 88 Stainless Steel, ISO 4762 by Spaenaur Inc.

BUMAX Socket Head Cap Screw, M6 x 1.00 x 50 mm, Bumax 88 Stainless Steel, ISO 4762 by Spaenaur Inc.

BUMAX Socket Head Cap Screw, M6 x 1.00 x 50 mm, Bumax 88 Stainless Steel, ISO 4762 by Spaenaur Inc.

BUMAX Socket Head Cap Screw, M6 x 1.00 x 50 mm, Bumax 88 Stainless Steel, ISO 4762 by Spaenaur Inc.

BUMAX Socket Head Cap Screw, M6 x 1.00 x 50 mm, Bumax 88 Stainless Steel, ISO 4762 by Spaenaur Inc.

BUMAX Socket Head Cap Screw, M6 x 1.00 x 50 mm, Bumax 88 Stainless Steel, ISO 4762 by Spaenaur Inc.

BUMAX Socket Head Cap Screw, M6 x 1.00 x 50 mm, Bumax 88 Stainless Steel, ISO 4762

BMX-S06-0050

$35.21

Package Qty

10

View All BUMAX Products

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