Our PRTU locknut is a hexagonal locknut with integrated flange for securing cable glands and accessories in electrical installations with metric connection threads according to EN 60423. The integrated flange increases the bearing surface and improves assembly stability, reducing stress on the mounting panel.

Manufactured in polyamide 6 reinforced with 30% glass fiber or in high-impact resistant polyamide 6, it is suitable for mechanically demanding applications and environments subject to vibration. The high-impact version is exclusively available for references 015008 in metric sizes M16, M20 and M25.

· Colours: light grey RAL 7035, dark grey RAL 7001, black RAL 9005; white RAL 9010 and red RAL 3000 for references 015008
· Metric threads: M12–M63 (EN 60423)
· PG threads: PG7–PG48

Other colours available on request.


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


Reference
Metric
H
SW
Material
 
 
 
More
Info.
02001001500 M12 5,00 17,00 PA6GF30  
02001001501 M16 5,00 22,00 PA6GF30  
01500800048 M16 7,00 19,00 PA6  
02001001502 M20 6,00 26,00 PA6GF30  
01500800049 M20 8,00 24,00 PA6  
02001001503 M25 6,00 32,00 PA6GF30  
01500800050 M25 9,00 27,00 PA6  
02001001504 M32 7,00 41,00 PA6GF30  
02001001505 M40 7,00 50,00 PA6GF30  
02001001506 M50 8,00 60,00 PA6GF30  
02001001507 M63 8,00 75,00 PA6GF30  
02001001508 PG7 5,00 19,00 PA6GF30  
02001001509 PG9 5,00 22,00 PA6GF30  
02001001510 PG11 5,00 24,00 PA6GF30  
02001001511 PG13,5 6,00 27,00 PA6GF30  
02001001512 PG16 6,00 30,00 PA6GF30  
02001001513 PG21 7,00 36,00 PA6GF30  
02001001514 PG29 7,00 46,00 PA6GF30  
02001001515 PG36 8,00 60,00 PA6GF30  
02001001516 PG42 8,00 65,00 PA6GF30  
02001001517 PG48 8,00 70,00 PA6GF30  
02001001517 PG48 8,00 70,00 PA6GF30  

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

<p>Our <b>PRPRE cable gland</b> with lamellar clamping system is designed to provide secure and reliable cable retention in demanding industrial environments. It is available with <b>metric, PG, GAS and NPT threads</b> and in <b>RAL 9005, RAL 7001 and RAL 7035</b> colours.</p>

<p>These cable glands are divided into two main series, each with specific features adapted to different requirements.</p>

<p><b>AA Series – With trapezoidal internal thread (anti-unscrewing)</b><br>
· Manufactured from <b>Polyamide 6</b> with a <b>neoprene seal</b>.<br>
· <b>Operating temperature range:</b> -40°C to +100°C.<br>
· <b>Protection rating:</b> IP68.<br>
· <b>Self-extinguishing:</b> UL94-V2.<br>
· <b>Certifications:</b> VDE (EN 62444), UL, c-UL-us, DNV.<br>
· <b>Trapezoidal internal thread</b> that prevents accidental loosening between the body and the nut.<br>
· Models in <b>black (RAL 9005)</b> are <b>UV resistant</b>.<br>
· Equipped with <b>pre-stamped sealing rings</b> acting as O-rings.</p>

<p><b>BB Series – With internal safety teeth (anti-vibration)</b><br>
· Manufactured from <b>Polyamide 6</b> with a <b>chloroprene seal</b> and <b>integrated O-ring</b>.<br>
· <b>Operating temperature range:</b> -20°C to +100°C, with peaks up to +150°C.<br>
· <b>Protection rating:</b> IP66/IP68 (up to 5 bar) and Type 4X (UL 50E).<br>
· <b>Self-extinguishing:</b> UL94-V2.<br>
· <b>Certifications:</b> VDE (EN 62444), UL (UL 514B), CSA C22.2, DNV GL.<br>
· Design with <b>internal safety teeth</b> providing <b>anti-vibration protection</b>.<br>
· Includes <b>integrated sealing rings</b> in the base for improved sealing performance.</p>

<p>Both series are designed in accordance with <b>IEC/EN 62444</b> and provide a robust, durable and secure solution for electrical, mechanical and outdoor applications.</p><p>For the temporary closure of cable glands, the <a href='https://www.isc-sl.com/cable-gland-plug/dtpb/'><b>DTPB plug</b></a> can be used to provide protection against dust and water splashes during assembly, transport or when not in use.</p>   PRPRF flexible cable glands, manufactured according to <b>DIN EN 62444/50262</b>, allow the cable to move freely even continuously and offer excellent protection even when vibrations are present. The body is made of <b>PA6</b> (nylon6) and the internal seal of <b>CR</b> (Rubber - Chloroprene). It complies with IP66 and IP698 (up to 5 bar) type 4X (UL 50E) protection. For optimal sealing, we recommend using the lock nut (families <a href='
https://www.iscsl.co.uk/hexagonal-lock-nut-with-flange/prtu/
' target='_blank'><b>PRTU</b></a>, <a href='
https://www.iscsl.co.uk/hexagonal-lock-nut/prtum/
' target='_blank'><b>PRTUM</b></a>, <a href='
https://www.iscsl.co.uk/hexagonal-lock-nut/prtue/
' target='_blank'><b>PRTUE</b></a>) and the flat section O-ring (<a href='
https://www.iscsl.co.uk/o-ring-for-metric-and-pg-threads/prp/
' target='_blank'><b>PRP</b></a>), which are sold separately.<br>All three colours are UV resistant (F1 according to UL 746C). Under special production, we can supply the colours RAL3020 (red), RAL9003 (white) and RAL5015 (blue), as well as replacement seals for multi-core or flat cables. <br><br>Standards and Certifications: VDE (EN 62444), UL (UL 514B, CSA C22.2 Nr. 18.3-12 and 94.2-15), c-CSA-us (CSA C22.2), DNV GL (EN 62444). <i>Some regulations may not cover all sizes, please consult our sales department</i>.   This o-ring is ideal to get a good and water-proof sealing in our cable glands PRPRE and our plugs PRTH and PRT. It can be used in the majority of industrial applications including water, oil, petrol and most chemicals. Our o-ring is available for metric thread and for PG thread.   <p>Our <b>plastic hex locknut PRTUE</b> (without flange) is designed for secure fixing of cable glands and accessories when no threaded entry is available in the panel or enclosure, ensuring mechanical stability and vibration resistance.</p>

<p>Manufactured in <b>glass-fibre reinforced polyamide</b>, with PA6 or polycarbonate variants depending on series and thread type.</p>

<p>· <b>Threads:</b> Metric (EN 60423), PG (DIN 40430/46320), GAS (BSPP – ISO 228-1) and NPT<br>
· <b>Material:</b> glass-fibre reinforced PA; PA6 or PC variants (depending on series)<br>
· <b>Colours:</b> RAL 7035, RAL 7001, RAL 9005; options RAL 9010 and RAL 3000 (subject to availability)<br>
· <b>Operating temperature / flammability:</b> -30°C to +120°C or -20°C to +90°C; in PC up to -40°C to +135°C; UL94-HB (depending on series)</p>   <p>Our nut <b>PRTUM</b> is available in various thread sizes and suitable for multiple applications. It ensures sealing and can be used with a cable gland. Its design allows low combined height with high strength.</p>

<p>· <b>Material:</b> Nickel-plated brass<br>
· <b>Type:</b> Universal self-locking hexagonal nut<br>
· <b>Available threads:</b> Metric, PG, GAS</p>  



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