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Our LBK protective cap is designed to cover hexagon screw heads according to DIN / ISO / ANSI standards, provided the wrench size (SW) is respected.

It provides protection against impacts and dirt while improving the visual finish of the fastening.

· Material: LDPE (Low Density Polyethylene)
· Standards: DIN 933 / ISO 4017, DIN 931 / ISO 4014, DIN 960 / ISO 8765, DIN 961 / ISO 8676, ANSI B18.2.1
· Standard colours: RAL9010, RAL9005, RAL7001

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.


  RAL colors manufactured 

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

LBK
LBK

Reference
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04801300000 M3.5 7,50 3,20 3,50 6 8,00  
04801300001 M4 8,90 3,60 4,00 7 9,00  
00300700101 M4 9,50 6,30 6,20 7 10,80  
00300700102 M5 9,80 5,70 6,30 8 10,90  
04801300002 M5 11,20 5,60 5,50 8 11,40  
00300700103 M6 12,70 6,70 7,30 10 13,00  
04801300003 M6 12,80 6,15 6,00 10 13,00  
04801300004 M8 15,50 7,30 8,30 13 17,30  
00300700104 M8 16,70 8,20 9,20 13 17,00  
04801300005 M10 18,80 8,60 10,20 16 20,90  
00300700105 M10 19,00 9,20 9,80 17 21,00  
00301800001 M10 19,55 9,00 9,80 16 21,70  
04801300006 M10 19,80 8,90 9,50 17 22,30  
04801300007 M12 19,80 11,15 11,00 18 23,70  
04801300008 M12 21,20 11,00 13,00 19 24,20  
00300700106 M12 21,50 10,70 12,00 19 23,90  
04801300009 M14 23,80 13,00 13,00 22 27,00  
00300700107 M14 26,70 14,00 16,00 21 28,00  
00300700108 M16 26,10 13,50 16,50 24 29,30  
04801300010 M16 26,20 12,80 14,00 24 29,50  
00300700109 M18 30,30 17,40 17,90 27 33,90  
04801300011 M18 31,00 16,80 17,50 27 34,30  
04801300012 M20 32,50 16,70 20,70 30 36,15  
00701300012 M20 32,50 17,00 20,80 30 36,00  
00300700110 M20 36,40 19,20 21,00 30 38,80  
00300700111 M22 36,00 19,60 21,00 31 38,70  
04801300013 M22 36,15 21,30 22,70 32 40,00  
00300700112 M24 39,30 22,70 23,70 35 44,00  
04801300014 M24 40,00 23,00 24,00 36 44,00  
00300700113 M27 46,20 24,70 25,90 41 50,00  
04801300015 M27 47,00 24,00 25,45 41 50,00  
04801300016 M27 47,00 25,00 26,00 42 50,00  
04801300017 M30 52,00 26,00 28,00 46 57,00  
00300700114 M30 52,60 26,80 29,60 46 57,30  
00300700115 M33 56,20 28,60 30,30 49 60,30  
04801300018 M33 57,00 28,00 30,50 50 61,00  
04801300019 M36 59,00 30,00 33,00 55 66,50  
00300700116 M36 64,00 32,00 36,00 54 68,00  
00300700117 M39 62,50 37,10 37,60 60 73,20  
04801300020 M39 63,00 37,00 38,00 60 72,50  
04801300021 M42 66,00 38,00 39,00 64 77,00  
00300700119 M45 73,10 39,50 39,90 68 84,50  
04801300022 M45 74,50 39,50 41,00 70 86,00  
03101300020 M48 73,00 39,60 40,00 75 90,00  
04801300023 M48 81,00 40,50 36,00 75 91,00  
04801300024 M52 85,00 42,50 39,00 80 96,50  
04801300025 M56 90,00 45,00 42,00 85 90,00  
04801300026 M64 102,00 55,00 50,00 95 116,00  

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

Our hexagonal slotted head screws (DIN 962) made of <b>PA66</b>, provide excellent resistance against chemicals (see table of properties). It is a material with a high level of dielectric strength, it does not rust and prevents damage due to breaking strength during mechanical stress. We offer some sizes of screws (1/4-20) manufactured in PC (polycarbonate) transparent.   Our nylon hexagonal slotted head screws (DIN 962 screws) provide excellent resistance against chemicals (see table of properties). It is a material with a high level of dielectric strength, it does not rust and prevents damage due to breaking strength during mechanical stress. We offer some sizes of screws (1/4-20) manufactured in PC (polycarbonate) transparent.   <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>   Our nylon hexagonal head screws (DIN 933 screws) provide excellent resistance against chemicals (see table of properties). It is a material with a high level of dielectric strength, it does not rust and prevents damage due to breaking strength during mechanical stress.   <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 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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