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Our MTHA hexagonal nut with integrated flange, similar to DIN 6923, is designed for technical fastenings requiring an enlarged bearing surface without the need for an additional washer.

The integrated collar increases the contact area with the mounting surface, reducing point pressure and improving assembly stability against vibrations or support deformation. Manufactured in PA66, it combines mechanical strength, light weight and electrical insulation.

· Geometry: Hexagonal with flange
· Main function: Fastening with extended load distribution
· Material: PA66
· Technical advantage: Replaces washer and improves seating stability

Suitable for electrical and mechanical applications where surface protection and weight reduction are required.


  RAL colors manufactured 

  Possible to get dyed colors 

Drawing PDF:  
UL94:   V2  
IP:   
RoHS:    
Measures expressed in: Millimeters
Video:  

MTHA
MTHA

Reference
Metric Thread
SW
H
h
D
 
 
 
More
Info.
03100302500 M3 x 0,50 5,50 3,20 0,60 7,00  
03100302501 M4 x 0,70 7,00 4,30 1,10 9,50  
03100302502 M5 x 0,80 8,00 5,45 1,00 11,00  
03100302503 M6 x 1,00 10,00 6,00 1,25 13,10  
03100302504 M8 x 1,25 13,00 7,40 1,40 17,00  
03100302505 M10 x 1,50 16,00 10,00 2,00 22,00  
03100302506 M12 x 1,75 18,00 12,75 3,00 27,20  
03100302507 M16 x 2,00 23,70 16,70 3,15 34,50  
00100106019 M20 x 1,50 22,70 8,00 2,40 26,70  
00100106020 M25 x 1,50 27,70 9,00 2,50 31,90  
00100106021 M32 x 1,50 36,30 9,10 2,70 42,00  

If you are interested in our family MTHA, you may be interested in these families as well:

Our metric thread MDIN <b>hex</b> nuts, similar to <b>DIN 34814 (DIN 934/555) / ISO 4032</b>, are manufactured in various <b>engineering materials</b>. that favor properties such as chemical, mechanical, oxidation resistance, etc.<br><br> They are available in <b>PA66</b> (Polyamide 66 “Nylon”), <b>PP</b> (Polypropylene), <b>POM</b> (Acetal Resin), <b>PVDF</b> b> (Polyvinylidene Fluoride), <b>PEEK</b> (Polyetheretherketone) and <b>PAGF</b> (Polyamide with the possibility of up to 50% fiberglass).<br><br> <i>The measurements of M2, M2.5 and M3.5 are supplied only in PA66.</i><br>   <p>Screws made of <strong>PA66</strong> and <strong>PA66GF30</strong>, high-quality technical materials that combine excellent mechanical strength, good thermal stability, and suitable chemical resistance. They offer a lightweight and reliable alternative to metal screws in a wide range of industrial applications.</p> <p><strong>Main properties</strong><br> • <strong>Thermal:</strong> PA66 up to 100 °C, PA66GF30 up to 120 °C continuous use<br> • <strong>Mechanical:</strong> high strength, improved stiffness with glass fiber, good dimensional stability<br> • <strong>Chemical:</strong> good resistance to oils, greases, hydrocarbons and common solvents</p> <p><strong>Advantages over metal screws</strong><br> • Lower weight without compromising strength<br> • Corrosion resistant, even in aggressive environments<br> • Electrically and thermally insulating<br> • Non-magnetic, non-conductive and spark-free<br> • Absorb vibrations and reduce noise<br> • Less maintenance and longer durability under harsh conditions</p> <p>Ideal for sectors such as electrical, electronics, automotive, construction, HVAC and general industry.</p>   <p>Our <strong>TU</strong> washers are available in <strong>LDPE</strong>, <strong>PA6</strong>, <strong>PA66</strong>, and <strong>PA6GF30</strong>, offering lightweight, insulating, and durable solutions for various industrial sectors.</p> <h4>Materials and properties</h4> <ul style='margin-left:20px'> <li><strong>LDPE:</strong> up to 70 °C, flexible, insulating, resistant to mild agents.</li> <li><strong>PA6:</strong> up to 100 °C, good strength and thermal balance.</li> <li><strong>PA66:</strong> greater rigidity and dimensional stability.</li> <li><strong>PA6GF30:</strong> 30% glass fiber reinforced, excellent stiffness and heat resistance up to 130 °C.</li> </ul> <p>All materials provide good electrical insulation and chemical resistance to oils, greases, and common solvents. Ideal for electrical, mechanical, and insulation applications.</p>   Our MTH <b>hex</b> nuts with metric thread, similar to <b>DIN 2510</b>, made of <b>PA66</b> (Polyamide 66 “Nylon”), offer excellent resistance to chemical products (see technical sheet), a high level of dielectric strength, do not oxidize and prevent damage caused by overvoltage   <p>Our <b>LBK protective cap</b> is designed to cover hexagon screw heads according to DIN / ISO / ANSI standards, provided the wrench size (SW) is respected.</p> <p>It provides protection against impacts and dirt while improving the visual finish of the fastening.</p> <p>· <b>Material:</b> LDPE (Low Density Polyethylene)<br> · <b>Standards:</b> DIN 933 / ISO 4017, DIN 931 / ISO 4014, DIN 960 / ISO 8765, DIN 961 / ISO 8676, ANSI B18.2.1<br> · <b>Standard colours:</b> RAL9010, RAL9005, RAL7001</p> <p><i>The parts can be supplied with a plastic metallization process that provides a bright metallic finish. Manufacturing in RAL colours is also available on request and minimum order quantity. Please consult our sales department for conditions.</i></p>  

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