Bolt / M4 x 0.7 x 25 mm / S224402511 / LS Tractor / nr 40028692
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  • Bolt / M4 x 0.7 x 25 mm / S224402511 / LS Tractor / nr 40028692

Bolt / M4 x 0.7 x 25 mm / S224402511 / LS Tractor / nr 40028692

Product code: 40028692
Brand LS Tractor
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zł1.43 netto
zł1.76
Includes VAT 23%

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Available
3 pieces
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Product description

Bolt M4 z gwintem 0.7 o długości całkowitej 28 mm for tractors of the brand LS Tractor serii LS MT1.25, LS XJ25, LS MT3.40, LS MT357, LS XU6168, LS U43 and others.

Odpowiedni dobór śruby pod względem wytrzymałości należy podjąć przed przystąpieniem do montażu, ponieważ kształt śruby i parametry techniczne mogą mię bezpośredni wpływ na bezpieczeństwo i trwałość połączenia. Rozróżniamy 3 klasy dokładności wykonania śrub tj, A, B i C oraz 10 klas (mierzone w mega paskalach) wytrzymałości 3.6, 4.6, 4.8, 5.6, 5.8, 6.8, 8.8, 9.8, 10.9, 12.9 gdzie pierwsza  cyfra oznacza granicę wytrzymałości na rozciąganie a druga granice plastyczności względem pierwszej wartości (procentowo). Im wyższe wartości tym większa wytrzymałość śruby i tak 3.6 to śruba najniższej jakości (ze stali niskowęglowej) a 12.9 to najwyższa klasa wytrzymałości (stal niskostopowa).

PRZYKŁADOWE ZASTOSOWANIE ZAZNACZONO NA NIEBIESKO NA GRAFICE

Wymiary:

  • długość całkowita: 27 mm,
  • długość robocza: 25 mm,
  • gwint: M4 x 0.7.

Tractor models::

  • LS XJ25,
  • LS J23,
  • LS J27,
  • LS MT3.35, 
  • LS MT3.40, 
  • LS MT3.50, 
  • LS MT3.55, 
  • LS MT357, 
  • LS MT3.60, 
  • LS R41,
  • LS R43,
  • LS R50,
  • LS R60,
  • LS R28i,
  • LS R38i,
  • LS I28,
  • LS I36. 

Warehouse: L01:D253

*Photos are for illustrative purposes only and may differ in detail from the delivered product due to production differences over the years.

Specifications

Condition
New
Production
OEM
Parts
screws
Tractor models
LS R43, LS R50, LS R60, LS MT3.50, LS MT3.55, LS MT3.60, LS XJ25, LS MT3.35, LS R28i, LS R38i, LS i28, LS i36, LS J23, LS J2t, LS MT357, LS R41
Overall length (mm)
27
working length (mm)
25
Thread
M4 x 0.70

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Questions & Answers

Why is regular filter replacement (oil, air, fuel) crucial for a mini tractor?

User
Traktor.com.pl Expert – Technical Advisor • 17.02.2026
Regular filter replacement is the easiest way to extend the life of an engine from brands like Kubota or Yanmar. The oil filter removes metallic contaminants generated during operation, the air filter protects the cylinders from field dust, and the fuel filter prevents water and dirt from damaging the precision injection system. We recommend replacing filters every 50-100 operating hours or at least once per season to ensure optimal engine performance.

How to properly select and sharpen mower blades for a Japanese tractor?

User
Traktor.com.pl Expert – Technical Advisor • 17.02.2026
When selecting mower blades, consider the mower deck model and the blade length and center bore diameter. Maintaining blade balance is crucial when sharpening – an unbalanced blade causes vibrations that damage the hub bearings. Remember that sharp blades mean healthier grass, a cleaner cut, and less strain on the engine of your Iseki or Mitsubishi tractor.

How to identify the correct V-belt size and how to care for it?

User
Traktor.com.pl Expert – Technical Advisor • 17.02.2026
It's best to read the markings on the side of the old V-belt. If they are illegible, measure the belt width and its outer length (La). On Shibaura and Hinomoto tractors, it's important to regularly check the belt tension – too loose a belt will cause slippage and faster wear, while too tight a belt can cause alternator or water pump bearing failure.

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