Our metric thread MDIN hex nuts, similar to DIN 34814 (DIN 934/555) / ISO 4032, are manufactured in various engineering materials. that favor properties such as chemical, mechanical, oxidation resistance, etc.

They are available in PA66 (Polyamide 66 “Nylon”), PP (Polypropylene), POM (Acetal Resin), PVDF b> (Polyvinylidene Fluoride), PEEK (Polyetheretherketone) and PAGF (Polyamide with the possibility of up to 50% fiberglass).

The measurements of M2, M2.5 and M3.5 are supplied only in PA66.

  RAL colors manufactured 

  Possible to get dyed colors 

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


Reference
Metric Thread
F
H
Similar DIN
Simliar ISO
 
 
 
More
Info.
03100300610 M2 3,90 to 4,00 1,15 to 1,25 DIN 34814
(DIN 934/555)
ISO 4032  
03100300611 M2,5 4,90 a 5,10 1,80 a 1,90 DIN 34814
(DIN 934/555)
ISO 4032  
03100300612 M3 5,30 to 6,00 2,25 to 2,45 DIN 34814
(DIN 934/555)
ISO 4032  
04103000202 M3,5 6,90 2,70 DIN 34814
(DIN 934/555)
ISO 4032  
03100300613 M4 6,80 to 7,00 2,90 to 3,20 DIN 34814
(DIN 934/555)
ISO 4032  
03100300614 M5 7,85 to 7,95 4,05 to 4,65 DIN 34814
(DIN 934/555)
ISO 4032  
03100300615 M6 9,90 to 10,05 5,00 to 5,60 DIN 34814
(DIN 934/555)
ISO 4032  
03100300616 M8 12,80 to 12,85 6,40 to 6,70 DIN 34814
(DIN 934/555)
ISO 4032  
03100300617 M10 15,80 to 17,00 8,00 to 8,50 DIN 34814
(DIN 934/555)
ISO 4032  
03100300618 M12 17,95 a 19,00 10,10 a 10,55 DIN 34814
(DIN 934/555)
ISO 4032  
03100300619 M14 20,00 a 21,00 11,10 a 12,80 DIN 34814
(DIN 934/555)
ISO 4032  
03100300620 M16 23,65 a 24,00 12,80 a 14,80 DIN 34814
(DIN 934/555)
ISO 4032  
03800200512 M18 27,00 a 27,20 14,60 a 15,00 DIN 34814
(DIN 934/555)
ISO 4032  
03100300621 M20 29,20 a 30,00 16,40 a 18,00 DIN 34814
(DIN 934/555)
ISO 4032  
03100300622 M24 35,00 a 36,00 19,00 a 21,50 DIN 34814
(DIN 934/555)
ISO 4032  

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

<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>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 <strong>MTHA</strong> hexagonal nuts, similar to <b>DIN 6331</b>, are available in <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>PA66:</strong> greater rigidity and dimensional stability.</li>
  <li><strong>PA6GF30:</strong> reinforced with 30% glass fiber, excellent rigidity and thermal resistance up to 130 °C.</li>
</ul>
<p>
  All materials offer good electrical insulation and chemical resistance to oils, greases, and common solvents. Ideal for electrical, mechanical, and insulation applications.
</p>   Our protection cap is suitable for DIN, ISO and ANSI screws and hex nuts. It serves as protection against impact and dirt and at the same time as an embellisher for DIN / ISO screws from M4 to M48 (suitable for DIN screws 933, 931, 961 and 960 and ISO 4017 and 4014). <br>The complete LBK range is offered with the possibility of submitting the pieces to a plastic metallization process that gives them a <b>shiny metallic finish</b>. In the same way, the manufacture in RAL colors can also be requested on demand and minimum order. Consult the conditions to our commercial department.   Our protection cap fits tightly, by means of the special rib around its mouth, assuring protection against corrosion or damage. It can protect with a more tight seal different elements and combinations, like 2 nuts and a bolt.  


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