Knife Screw 56805036010510 / 5036010510 (M12 × 25 mm)

 The Knife Screw 56805036010510, also listed as 5036010510, is a small but essential fastening part used for lawn mower and shredder blade assemblies. It is designed to secure the cutting knife/blade safely in place during operation.

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Key Specifications

• Product Name: Knife screw/blade screw
• Part Number: 56805036010510 / 5036010510
• Reference: 188515164
• Application: Lawn mower and shredder parts
• Thread: M12
• Length: 25 mm
• Price: €0.35 per unit
• Availability: Only in stores

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Build & Design

This screw is a compact fastening component intended for blade mounting. The M12 thread provides a strong connection, while the 25 mm length makes it suitable for specific mower or shredder blade assemblies where a short but secure bolt is required.

Because blade screws are exposed to vibration and impact forces, correct fitment is very important.

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Performance

The screw is designed to:

• Hold mower or shredder blades securely
• Withstand vibration during cutting
• Maintain safe blade positioning
• Replace worn, damaged, or missing blade fasteners

A properly installed knife screw helps reduce the risk of blade movement, uneven cutting, and equipment damage.

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Installation

Before installation, the thread size and length should be checked against the machine’s parts catalogue. Blade screws should be tightened to the manufacturer’s recommended torque, and any worn washers, blade holders, or locking elements should also be inspected.

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Value for Money

At only €0.35, this is a very affordable but safety-critical spare part. It is worth replacing if the old screw is worn, damaged, corroded, or has been removed multiple times.

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Pros

• Very low price
• Standard M12 thread
• Suitable for blade/knife fastening
• Important for mower and shredder safety
• Useful maintenance spare

Cons

• Only available in stores
• Must match the exact machine model
• Requires correct tightening torque

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Final Verdict

The 5036010510 knife screw is a simple but important replacement part for lawn mower and shredder blade assemblies. With its M12 thread, 25 mm length, and low price, it is a practical spare to keep on hand for safe and reliable blade maintenance.

GRANIT Top Link Pin (Universal, Category 1, Part No. 20012790)

 The GRANIT Top Link Pin 20012790 is a practical and durable fastening component designed for compact tractors, lawnmower accessories, and three-point linkage systems. It is a universal Category 1 pin, making it useful for connecting or securing top link assemblies and compatible implements.

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Key Specifications

• Brand: GRANIT
• Product Type: Top link pin
• Part Number: 20012790
• Version: Universal, without a chain
• Category: 1
• A: 19 mm
• B: 12 mm
• C: 76 mm
• D: 91 mm
• Weight: 230 g
• EAN: 4250808702354
• Menke No.: 48999

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Build & Design

This pin is made from metal with a protective yellow-zinc style finish, helping improve resistance against rust and outdoor wear. The design includes a cross hole for securing with a clip or locking pin, while the shaped end helps keep the pin seated correctly during use.

Its simple, robust construction is well-suited for agricultural and garden machinery applications.

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Performance

The pin is designed to:

• Secure top link connections
• Handle pulling and linkage loads
• Maintain stable implementation attachment
• Resist vibration during operation

For compact tractors and compatible equipment, it provides a reliable connection point when correctly fitted.

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Ease of Use

Installation is straightforward: insert the pin through the matching linkage point and secure it with an appropriate retaining clip. Since this version is supplied without a chain, a clip or a lynch pin may need to be purchased separately if not already available.

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Applications

• Compact tractor top links
• Three-point linkage systems
• Lawnmower replacement parts and accessories
• Universal implement connections
• Workshop and farm maintenance

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Value for Money

As a universal Category 1 pin, this is a useful spare part to keep on hand. It is inexpensive compared with the downtime caused by a missing or worn linkage pin, making it a good maintenance item for tractor owners.

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Pros

• Strong metal construction
• Universal Category 1 fit
• Protective surface finish
• Simple and reliable design
• Useful for compact tractor accessories

Cons

• Supplied without a chain
• Requires a matching retaining clip
• Must be checked against exact linkage dimensions

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Final Verdict

The GRANIT Top Link Pin 20012790 is a solid, practical, and dependable linkage pin for Category 1 tractor and implement connections. Its universal design, durable finish, and straightforward installation make it a useful spare part for agricultural, garden, and compact tractor maintenance.

7-Pin Plug (W-7) – Tractor Electrical Connector

 The 7-pin plug (W-7) is a standard electrical connector used in tractor and trailer installations, ensuring reliable communication between vehicle lighting systems. It’s a simple but essential component for safe operation on the road.

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Key Specifications

• Product Type: 7-pin electrical plug
• Model/Index: W-7
• EAN: 5902287060683
• Brand: Rolmar
• Price: PLN 8.91 (gross)
• Application: Tractor and trailer electrical systems
• Condition: New

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Build & Design

This plug features a durable plastic housing with a 7-pin metal contact layout, designed for standard trailer connections. The outer casing is:

• Impact-resistant
• Shaped for a secure grip
• Equipped with a cable gland for strain relief

The internal pins are well-spaced and protected, ensuring stable electrical contact.

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Performance

• Provides reliable electrical connection for trailer lights (indicators, brake lights, etc.)
• Maintains a consistent signal transfer under vibration
• Suitable for everyday agricultural and road use

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Ease of Use

• Standardized 7-pin configuration for wide compatibility
• Easy to wire and install
• Secure fit prevents accidental disconnection

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Applications

• Tractors (e.g., C-330 and similar models)
• Trailers and agricultural equipment
• General vehicle lighting systems

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Value for Money

At under PLN 10, this plug offers excellent value. It’s an affordable yet necessary component for maintaining safe and functional electrical connections.

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Pros

• Standard, widely compatible design
• Durable housing
• Easy installation
• Affordable price

Cons

• Basic construction (not waterproof-rated for extreme conditions)
• Requires proper wiring for correct function

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Final Verdict

The W-7 7-pin plug is a reliable and cost-effective electrical connector for tractors and trailers. It’s a must-have for maintaining proper lighting and safety systems, delivering solid performance at a very accessible price.