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Locknut M52X2 - jam nut
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Shipping costs are not included in the price.
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Product code: PN-109 M52X2
Barcode: 5905009144715
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Description
Locknut M52x2 – thin jam nut PN-65/M-73109
The M52x2 locknut is a hexagonal jam nut with a metric fine internal thread. It is used in power hydraulics for fixing fittings, quick couplings, and securing threaded elements against loosening. Made of zinc-plated free-cutting steel, it is used in agricultural machinery, construction equipment, and industrial devices.
Technical parameters
- Type: locknut, thin hexagonal jam nut.
- Internal thread: M52x2.
- Nominal thread diameter: 52 mm.
- Thread pitch: 2 mm.
- Wrench size S: 65 mm.
- Nut height: 10 mm.
- Material: free-cutting steel.
- Protective coating: zinc-plated.
- Standard: PN-65/M-73109.
- Standard symbol: PN-109 M52x2.
Catalog markings and equivalents
- Product symbol: 8C-52.
- CAST: 108716.
- Parker Ermeto: GM42LCFX.
- Rastelli Raccordi: TN102/118-42L/38S.
- Vitillo: CPDL42S38.
Application of M52x2 locknut
The M52x2 jam nut is used for stable mounting of elements equipped with a corresponding external thread. It is used in the assembly of hydraulic quick couplings in plates, brackets, and structural supports. It can also function as a component pressing a seal in a properly designed connection. The low height of 10 mm facilitates installation in areas with limited space.
Dimensions table for metric locknuts
A summary of metric locknut sizes according to PN-65/M-73109. S dimension defines the wrench size, while the height is given in millimeters. The M52x2 row is highlighted. Values common to several sizes are presented according to the provided table.
| Thread [mm] | S [mm] | Height [mm] | Symbol |
|---|---|---|---|
| M8x1 | 14 | 6 | PN-109 M8x1 |
| M10x1 | 17 | 6 | PN-109 M10x1 |
| M12x1,5 | 17 | 6 | PN-109 M12x1,5 |
| M14x1,5 | 19 | 7 | PN-109 M14x1,5 |
| M16x1,5 | 22 | 7 | PN-109 M16x1,5 |
| M18x1,5 | 24 | 7 | PN-109 M18x1,5 |
| M20x1,5 | 27 | 8 | PN-109 M20x1,5 |
| M22x1,5 | 30 | 8 | PN-109 M22x1,5 |
| M24x1,5 | 32 | 8 | PN-109 M24x1,5 |
| M27x2 | 36 | 8 | PN-109 M27x2 |
| M30x2 | 41 | 8 | PN-109 M30x2 |
| M33x2 | 41 | 8 | PN-109 M33x2 |
| M36x2 | 46 | 9 or 10 | PN-109 M36x2 |
| M39x2 | 50 | 9 or 10 | PN-109 M39x2 |
| M42x2 | 50 | 9 or 10 | PN-109 M42x2 |
| M45x2 | 55 | 9 or 10 | PN-109 M45x2 |
| M48x2 | 60 | 9 or 10 | PN-109 M48x2 |
| M52x2 | 65 | 10 | PN-109 M52x2 |
| M56x2 | 70 | 10 | PN-109 M56x2 |
| M60x2 | 75 | 10 | PN-109 M60x2 |
Frequently Asked Questions (FAQ)
What thread does the M52x2 locknut have?
M52x2 metric internal thread with a nominal diameter of 52 mm and a pitch of 2 mm.
What wrench size fits the M52x2 locknut?
The wrench size is 65 mm, and the nut height is 10 mm.
What is the M52x2 jam nut used for?
For fixing quick couplings, hydraulic connections, and securing threaded components against loosening.
What are the catalog markings for the locknut?
Symbol 8C-52, CAST 108716, Parker Ermeto GM42LCFX, Rastelli Raccordi TN102/118-42L/38S, and Vitillo CPDL42S38.
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Product Safety
Manufacturer
HYDRON hydraulika siłowa
Kujańska 6a
77-400 Złotów, Poland
+48 67 350 53 69 kontakt@hydron.com.pl Report a product safety issue
Responsible person in the EU
HYDRON hydraulika siłowa
Kujańska 6a
77-400 Złotów, Poland
+48 67 350 53 69 kontakt@hydron.com.pl Report a product safety issue
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