黒田精機製作所 List of Products and Services

The "Easy Wrench Cover for Insert Chip Replacement" is a wrench cover that fits comfortably in the palm of your hand and features LED lighting, making it easier to operate in bright conditions. It is compatible with wrenches from Kyocera (FT-8/10) and Tungaloy (T-7F/8F/9F). With a one-touch attachment to your existing wrench, it can be used immediately after purchase without the need for additional tools for tasks like screw tightening. 【Features】 ■ Easily enhances the power of standard wrenches when combined ■ Designed to fit the palm naturally for a comfortable grip ■ The shaft is stable and allows for vertical rotation, preventing screw head damage ■ Easily replace chips even on screws that are tightly fastened ■ Built-in LED light ensures visibility during chip replacement *For more details, please refer to the PDF document or feel free to contact us.

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The "Easy Wrench Cover for Insert Chip Replacement" is a wrench cover that fits comfortably in the palm of your hand and prevents the heads of screws from being damaged. It is compatible with wrenches from Kyocera (FT-8/10) and Tungaloy (T-7F/8F/9F). With a one-touch attachment to your existing wrench, it can be used immediately after purchase, eliminating the need for additional tools for tasks like screw tightening. 【Features】 ■ Easily enhances power when combined with standard wrenches ■ Designed to fit the palm naturally for a comfortable grip ■ Prevents screw head damage by allowing for vertical rotation with minimal wobble ■ Makes chip replacement easy even for screws that are tightly fastened ■ Built-in LED light ensures visibility during chip replacement *For more details, please refer to the PDF document or feel free to contact us.

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The "Easy Wrench Cover for Insert Chip Replacement" is a wrench cover that fits comfortably in the palm of your hand, allowing for stable work. It is compatible with Kyocera (FT-8/10) and Tungaloy (T-7F/8F/9F) wrenches. With a simple one-touch attachment to your wrench, it can be used immediately after purchase, without the need for additional tools for tasks like screw tightening. 【Features】 ■ Easily enhances the power of standard wrenches ■ Designed to fit the palm naturally for a comfortable grip ■ Reduces wobble and allows for vertical turning, preventing damage to screw heads ■ Makes chip replacement easy even for screws that are tightly fastened ■ Built-in LED light ensures visibility during chip replacement *For more details, please refer to the PDF document or feel free to contact us.

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The "Easy Wrench Cover for Insert Chip Replacement" is a wrench cover that allows anyone to easily achieve stable tightening. It is compatible with Kyocera (FT-8/10) and Tungaloy (T-7F/8F/9F) wrenches. With a one-touch attachment to your existing wrench, it can be used immediately after purchase, without the need for additional tools for screw tightening. 【Features】 ■ Easily enhances the power when combined with standard wrenches ■ The design fits the palm naturally for a comfortable grip ■ The axis is stable and can be turned vertically to prevent screw head deformation ■ Even tightly fastened screws can be easily replaced with chips ■ Built-in LED light makes it easy to see clearly when replacing chips *For more details, please refer to the PDF document or feel free to contact us.

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The "Flag Torque Wrench" is a compact and user-friendly torque wrench that excels in precision work environments, even in tight spaces. It standardizes the tightening torque of ready-made flag wrenches and allows for chip replacement without removing the holder, all in a compact size! 【Features】 ■ Reduces adjustment errors during chip replacement! ■ Extends the lifespan of cutting tools! ■ Prevents over-tightening and reduces screw damage! *For more details, please refer to the PDF document or feel free to contact us.

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The "Flag Torque Wrench" is a compact and user-friendly torque wrench that excels in precision work environments, even in tight spaces. It standardizes the tightening torque of off-the-shelf flag wrenches and allows for chip replacement without removing the holder, all in a compact size! 【Features】 ■ Reduces adjustment errors during chip replacement! ■ Extends the lifespan of cutting tools! ■ Prevents over-tightening and reduces screw damage! *For more details, please refer to the PDF document or feel free to contact us.

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The "Flag Torque Wrench" is a compact and user-friendly torque wrench that excels in precision work environments, even in tight spaces. It is equipped with three functions in a compact palm-sized design. There is a "Free Mode" where no torque is applied, a "Torque Mode" that prevents exceeding a specific torque, and a "Lock Mode" that allows it to be used like a regular wrench with the handle fixed. 【Features】 ■ Reduces adjustment errors in chip replacement! ■ Extends the lifespan of cutting tools! ■ Prevents over-tightening and reduces screw damage! *For more details, please refer to the PDF document or feel free to contact us.

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The "Easy Wrench Cover for Insert Chip Replacement" is a wrench cover that allows anyone to easily achieve stable tightening. It is compatible with Kyocera (FT-8/10) and Tungaloy (T-7F/8F/9F) wrenches. With a one-touch attachment to your existing wrench, it can be used immediately after purchase, and no additional tools are required for screw tightening. 【Features】 ■ Easily power up by combining with standard wrenches ■ Designed to fit the palm of your hand for a natural grip ■ The shaft is stable and can be turned vertically, preventing damage to screw heads ■ Easily replace chips even on screws that are tightly fastened ■ Built-in LED light makes it easy to see when replacing chips *For more details, please refer to the PDF document or feel free to contact us.

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The "Insert Chip Replacement Flag Torque Wrench" is a product that allows standard flag wrenches to have a torque function. There are recommended values for the tightening force of the chip by the manufacturer, and variations in how tightly individuals tighten the chip are one of the contributing factors. By turning this product until you hear a "click," anyone can achieve the proper torque. 【Features】 ■ Long horizontal shape that fits comfortably in the palm ■ Excellent stability when used while gripping ■ Reduction in chip defects ■ Optimization of tool lifespan *For more details, please refer to the PDF document or feel free to contact us.

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Our company has a flagship product, the "oil pump shaft." This shaft has a portion of its shape formed into a serration through rolling to assemble the rotor, and due to the plastic processing, the outer diameter precision is not very good. One day, we received a customer request asking, "Can we improve the outer diameter precision of the serration?" The required tolerance was 8μm, and the processing cost, considering the rolling variation, was three times the usual amount. Moreover, since the processing involved finishing five stages of outer diameters simultaneously, including the outer diameter, this was a challenge that KUROTA had no prior experience with at the time, and it was a high-difficulty endeavor that was about to begin. *For more details, please refer to the related links. If you have any questions, feel free to contact us.*

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The mission was to forge the parts being machined in response to the demand for cost reduction. Initially, four years ago, the then Deputy General Manager of Quality Assurance attempted forging, but after machining only a few pieces, the mold, which cost tens of thousands of yen, broke, and the effort was abandoned. Next, the current Deputy General Manager of Production Technology took over and designed the mold according to the drawings, but after machining just one piece, it broke, resulting in failure. It was later understood that the aluminum was being tightly pressed, causing stress concentration at the corners of the mold. To overcome that issue, we made shape modifications and added relief grooves, and with great anticipation, we proceeded to test it, but the mold broke with one hit, and our motivation was shattered in an instant. The prevailing view among senior colleagues was that forging complex shapes from aluminum T6 material (heat-treated material) with a higher than usual hardness was impossible. *For more detailed information, please refer to the related links. Feel free to contact us for further inquiries.*

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Years ago, when I was a manufacturing leader, I heard that the pistons for domestic master cylinders were expanding their sales channels overseas. I was filled with excitement for this significant opportunity and had high hopes for increased sales. However, I also had a lingering anxiety about the newly launched pistons, and soon enough, that anxiety was confirmed. In the early stages of development, the precision of the jigs was poor, leading to frequent occurrences of punches chipping against the jigs. This issue was resolved by improving the precision of the jigs, which eliminated the chipping. However, the fact that as soon as one problem was solved, another would arise, trapping us in a cycle of ups and downs, remained unchanged. *For more details, please refer to the related links. Feel free to contact us for more information.*

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We provide automotive parts such as wheel cylinder pistons, ABS components, oil pump shafts, oil pump valves, and other hydraulic parts. Our engine parts are used in high-end sports cars like Porsche, and their quality is recognized globally. Please feel free to contact us if you have any inquiries. 【Products Offered】 ■ Brake Parts - Piston Wheel Cylinder - Piston Master Cylinder ■ Engine Parts - Shaft Oil Pump - VVT Oil Control Valve Parts - Valve Oil Pump Relief *For more details, please download the PDF or feel free to contact us.

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