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BUMAX®: leading specialist in high-quality stainless steel fasteners

BUMAX

BUMAX® is the world's leading brand of stainless steel fasteners .

 

BUMAX® meets the requirements of professional customers in the most demanding industrial applications.

 

The BUMAX® 88 andBUMAX® 109rangesare complemented by the high-performance Bumax 129 grades.

TDI has been systematically stocking, distributing and recommending BUMAX® for many years, and acts as a technical and logistical relay for users.

FAMILLE BUMAX

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BUMAX® properties:


 

milieux proprietes
A range of products to ensure a reliable, long-lasting fastening solution for every application and corrosive environment. Molybdenum content over 2.5%. Critical size reduction, clamping force and tensile strength: BUMAX® offers strength classes ranging from steel grade 8.8 to 16.9! All BUMAX® bolts are work-hardened and thread-rolled to increase their resistance to fatigue and seizure. The extreme-temperature resistance of BUMAX® fasteners is distinguished by a wide temperature range: operating temperatures from -269°C (4K) to 800°C.

 

LOGO CERTIFICAT 3.1 LOGO TRACABILITE

 

 

 


Select the material best suited to your applications:


 

Different grades of BUMAX® stainless steel are available for the optimum solution to your needs:

 

nuances

 

 


BUMAX® grades:


 

Bumax® 88 and Bumax® 109, are superior to standard A4 fasteners.

BUMAX® 109 uses the same material as BUMAX® 88, only the manufacturing process differs .

BUMAX® 109 thus offers superior strength and mechanical resistance to BUMAX® 88.

 

 

Designation

Grade

Dimensions

mm

Limit

limit

MPa

Tensile strength

tensile strength

MPa

Elongation

min

mm

% Mo

Permeability

magnetic

PREN

(PITTING

EFFICIENT)

A2 -70

Standard

302, 303, 304 ... - 450 700 0.4 d - 1.8 19

A4-70

Standard

316 - 450 700 0.4 d 2-3 1.01 25

A4-80

Standard

316 - 600 800 0.3 d 2-3 1.015 25

Bumax 88

316L HiMo M3-M36 640 800 0.3 d 2.5 - 3 1.006 27

Bumax 88

(PED)

316L HiMo M6-M30 640 800 0.4 d 2.5 - 3 1.006 27
Bumax 109 316L HiMo M6-M24 900 1000 0.2 d 2.5 - 3 1.007 27
Bumax SDX 109 EN 1.4410 M6-M24 900 1000 0.3 d 4 100 42
Bumax DX 129 EN 1.4462 M6-M24 1080 1200 0.3 d 3.2 100 36
Steel 8.8   - 640 800 0,12 - - -
Steel 10.9   - 900 1000 0,09 - - -

 

 

Find out more: see our data sheet: "BUMAX OR STAINLESS STEEL, WHICH TO CHOOSE".

 

BUFAB_140610-231

 

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