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HGZZ Haogong window torque wrench - two color series

Window torque wrench is a torque wrench with a window display scale, which allow...
HGZZ Haogong window torque wrench - monochrome series

Window torque wrench is a tool used for precise torque control. It can visually ...
HGZZ Haogong digital torque wrench - two color series

Digital torque wrench is an advanced torque testing tool that provides intuitive...
Mechanical torque screwdriver

A mechanical torque screwdriver is a type of screwdriver that can adjust torque,...
Window style torque gauge

A digital torque meter is a measuring tool with a digital display function, used...
HGZZ Haogong interchangeable torque wrench -16PCS set series

The interchangeable head torque wrench is a multifunctional tool that can be use...

About Us

Hangzhou Hao Gong Tools Co., Ltd.

Hangzhou Hao Gong Tools Co., Ltd. Manual Measuring Tool Manufacturers and Manual Measuring Tool Suplliers. Hangzhou Hao Gong Tools Co., Ltd. (Hangzhou Source Tool Machinery Co., Ltd.) is a combination of industry and trade enterprises, committed to the production of torque wrenches, ratchet wrenches, socket tool sets, and other auto protection and hand tools products, used in automobile repair, maintenance, energy construction, rail transit, machinery manufacturing, and many other industries. Domestic and foreign partners will receive Haogong quality. We will rely on a rigorous work attitude, strong sales channels, and perfect after-sales service, and continue to provide efficient and high-quality services for partners worldwide.

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How is the internal gear of a dustproof ratchet wrench protected from dust and debris?

A dustproof ratchet wrench is an essential tool in industries and workshops where exposure to dust, ...
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What are the common types of digital display torque wrenches available in the market?

A digital display torque wrench is an essential tool widely used in automotive, aerospace, industria...
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How does a mechanical torque wrench compare with a click-type or beam-type wrench?

A mechanical torque wrench is a precision tool widely used across industrial, automotive, and constr...
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Fine-Tooth vs. Coarse-Tooth Gearing: How Does it Impact a Dustproof Ratchet’s Performance?

In the realm of hand tools, where durability and precision are paramount, the dustproof ratchet wren...
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Understanding the Drive Sizes: When to Use a 1/4", 3/8", and 1/2" Extended Ratchet

Introduction: The Critical Role of Drive Size Selection In the realm of mechanical tools, few innova...
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Strength Without the Weight: Can an Aluminum Ratchet Wrench Really Replace Steel?

For decades, the tool industry has been dominated by a simple, unyielding paradigm: heavier tools ar...
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