Socket wrench 1/4" from E4x25mm to E8x25mm standard DIN 3121 Yato - Poland

1/4" star tube from E4x25mm to E8x25mm standard DIN 3121 Yato - Multi-purpose repair tool for all needs
Are you looking for a high quality, versatile star tube for your repair work? 1/4" star tube from E4x25mm to E8x25mm standard DIN 3121 Yato is the perfect choice for you!

1/4" star tube from E4x25mm to E8x25mm standard DIN 3121 Yato stands out with its advantages:

• High quality materials: Made from super durable CrV 50BV30 steel, anti-rust, resistant to strong impacts, ensuring durability over time.
• Precise design: The tube head has grooves that match perfectly with the heads of bolts and screws, making tightening and disassembling easy and precise.
• Standard size: Suitable for common wrenches and tube handles on the market, meeting diverse usage needs.
• Works effectively: Helps you tighten or loosen bolts and screws quickly, saving time and effort.
• Wide application: Can be used in many fields such as car repair, motorbike repair, mechanics, construction...
• Reputable brand: Yato is the leading hand tool brand from Poland, trusted by professionals and families around the world.

Technical specifications of 1/4" star tube from E4x25mm to E8x25mm standard DIN 3121 Yato:

• Brand: Yato
• Product code: YT-05211
• Standard: CE (Europe)
• Tip size: E4
• Handle size: 1/4" (6.3 mm)
• Head type: Torx
• Length: 25 mm
• Outer diameter of tube tip: 6.7 mm
• Diameter of ribbed tip: 11.9 mm
• Material: CrV 50BV30
• Surface coating: Chrome, satin, polished
• Standard: DIN 2124

For the remaining PRODUCT CODES, PLEASE SEE SPECIFICATION TABLE BELOW:

Application of 1/4" star tube from E4x25mm to E8x25mm standard DIN 3121 Yato:

• Car and motorbike repair: Used to tighten and remove bolts and screws with star heads from E4 to E8 on cars and motorbikes, helping to disassemble and assemble parts such as wheels, engines, tires,... easily and effectively.
• Mechanical: Suitable for assembling and repairing machinery and equipment in manufacturing and production industries.
• Construction: Used to tighten and remove bolts and screws in construction of houses, buildings, steel structures,...
• Electrical and water repair: Disassemble and install electrical and water equipment, pipe systems, water valves,...
• Repair of household appliances: Disassemble and assemble parts of household appliances such as refrigerators, washing machines, air conditioners,...
• DIY: Suitable for repair and crafting activities at home.

In addition, 1/4" star tubes from E4x25mm to E8x25mm standard DIN 3121 Yato can also be used in many other fields such as:

• Agriculture: Repair of agricultural machinery and irrigation equipment.
• Sports equipment: Disassembling and assembling bicycle parts and sports equipment.
• Toys: Assembling toys for children

Operating principle of 1/4" star tube from E4x25mm to E8x25mm standard DIN 3121 Yato:
1. Articulation:

• Star socket heads are designed with grooves that match the edges on the heads of bolts and screws. These grooves are arranged in a star shape, forming a sturdy mechanical joint.
• When you put the tube head on a bolt or screw, these grooves will hug the edges, creating friction between the two surfaces. This friction force is large enough to keep the tube head from slipping off the bolt or screw during the screwing process.

2. Power transmission:

• When force is applied to the handle of the tube, this force will be transmitted through the axis of the handle to the tip of the tube.
• Because the tip of the tube is tightly attached to the handle with a threaded joint, this force will be converted into tissue force acting on the grooves of the tip of the tube.

3. Make bolts and screws rotate:

• The tissue force acting on the grooves of the tube head will create friction on the edges of the bolts and screws. This friction force will cause bolts and screws to rotate in the direction of the applied force.
• The direction of rotation of bolts and screws depends on the direction of the handle. Turn clockwise to tighten, turn counterclockwise to loosen.

4. Influencing factors:

• The performance of star tips depends on many factors, including:
  • Material and hardness of tube heads and bolts and screws.
  • The friction force between the grooves of the tube head and the edges of the bolts and screws.
  • Tissue force acting on the handle of the tube.
  • Precision of joint between tube tip and handle.

5. Advantages:

• Star tube tips have many advantages compared to other types of tube tips, including:
  • Sturdy joints, limited slippage when screwing.
  • Easy to use, quick operation.
  • Suitable for many types of bolts and screws with star heads.
  • High durability, long service life.

6. Disadvantages:

• The star tip also has some disadvantages, including:
  • The price is higher than other types of tube tips.
  • Need a complete set of different tip sizes to meet usage needs.

How to use of 1/4" star tube from E4x25mm to E8x25mm standard DIN 3121 Yato:

1. Choose a star socket head of the appropriate size for the bolt and screw head.
2. Plug the end of the tube into the tube handle or wrench.
3. Place the tip of the tube on the head of the bolt or screw and turn clockwise to tighten or counterclockwise to loosen.

Notes when using 1/4" star tube from E4x25mm to E8x25mm standard DIN 3121 Yato:

• You should use a wrench with appropriate torque to avoid damaging bolts, screws or socket heads.
• Do not use worn or damaged tube tips.
• Store the tube tip in a cool, dry place.

With the above outstanding advantages, 1/4" star tube from E4x25mm to E8x25mm standard DIN 3121 Yato is an indispensable tool in the toolkit of every family and repairman.
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Yato Tools – European Quality, Optimal Solutions for Industrial Applications

Yato Tools, founded in 1990 in Poland, is a leading brand specializing in hand tools and industrial equipment. With over 30 years of experience, Yato is present in over 100 countries and offers more than 14,000 products serving industries such as automotive, construction, industrial, electrical, and mechanical repair.

Yato products are manufactured to CE, ISO, and GS standards, ensuring high quality, safety, and exceptional performance. Yato Tools is the top choice for professionals, repair technicians, and businesses that demand reliable tools and long-lasting durability.

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• Hotline: +84904613300 (Jessy) | +84936318800 (Taly)
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