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bis Product List

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DH Wood Long Screw

No need for a foundation pit, saving on construction! It is highly effective in various situations, from medium to large wooden buildings to seismic renovations!

Special processing at the tip of the screw eliminates the need for pilot holes, allowing for reduced construction work. It is used for applications such as beam connections in medium to large wooden structures, overlapping reinforcement of horizontal members, and aligning columns. 【Features】 - No need for pilot holes, enabling reduced construction work - Available lengths range from 90mm to 320mm - Various applications *For details, please contact us or refer to the catalog. Tags: Daidohant, CLT method, construction, renovation, screws, nails, laminated wood, medium scale, large scale, reduced construction work, beams, horizontal members, long screws, non-residential, wooden, earthquake-resistant

  • wood

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Premium Insulation Screw [Rafter Screw for External Insulation Method]

Revolutionary performance equivalent to or better than the Hineri Hardware ST-12! *Non-chrome rust-proof only.

By directly nailing into the rafters, it demonstrates performance equivalent to that of twist hardware, achieving a 1/5 reduction in construction time compared to conventional methods! This product has been tested for performance by a testing institution. *Non-chrome rust-proof only. *For details, please request materials or download the catalog.

  • wood

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BIS【DH Rafter Fastener】

The short-term standard load capacity is 1.6 kN! Due to the thin wire diameter (5.3), we introduce screws that are easy to install and fit well.

The "DH Roofing Fastener" is a screw used to secure rafters and horizontal members. The pointed tip, split foot design, and WAX coating improve workability. The four-blade rib from below the head to below the neck allows the screw head to sit flat easily, and the thin diameter (5.3) makes it easier to install. We offer three lengths: 105, 125, and 155, so please feel free to contact us when you need them. 【Features】 ■ Short-term standard load capacity: 1.6kN ■ Improved workability due to the pointed tip, split foot design, and WAX coating ■ The four-blade rib from below the head to below the neck allows the screw head to sit flat easily *For more details, please refer to the PDF document or feel free to contact us.

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Roll connection screws for gypsum boards

Four types of different lengths are lined up! Fastening thin steel plates with high and low mountain screw shapes!

We offer the "Roll Connection Screws for Gypsum Board" that can be used for both wooden and thin steel substrates. These screws are non-chromate coated and certified by the Minister of Land, Infrastructure, Transport and Tourism, taking environmental considerations into account. Additionally, they have a pearled head that provides good adhesion for putty. We have the following sizes available: 25mm "3925HL (Blue)", 28mm "3928HL (Red)", 32mm "3932HL (Green)", and 41mm "3941HL (Bronze)". 【Features】 - Certified by the Minister of Land, Infrastructure, Transport and Tourism - Usable for both wooden and thin steel substrates - High and low thread shapes - Non-chromate coating for environmental consideration - Pearled head for good putty adhesion *For more details, please refer to the PDF document or feel free to contact us.

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Great performance in medium to large-scale wooden buildings! 'DH Wood Long Screws'

No need for pilot holes due to special processing. Structural screws that are effective in medium to large wooden buildings and seismic renovations.

We cannot accommodate the needs of medium to large-scale wooden construction with the nails and screws we always use! Here we introduce the "DH Wood Long Screw" that can meet such demands. Feature 1: "Structural screws" that can join structural materials. These structural screws are utilized in various situations of large-scale wooden buildings, starting with the CLT method. They can be used instead of hardware for efficient construction. Additionally, the tip is specially processed, eliminating the need for pilot holes during installation! Truly efficient in construction and cost! Feature 2: Long half-thread screws! Available in lengths from 90mm to 320mm! They can secure thick wood materials like laminated timber. Examples of use include "stopping rafters," "reinforcing overlapping beams," "aligning columns," and "joining inclined frame beams." Feature 3: Shear and tensile tests have been conducted on the screws. After reviewing the test data, please consider various other applications beyond those mentioned above. *For more details, please contact us or refer to the related links or catalog.

  • wood

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Repairing corrugated sheets is easy with linked corrugated sheet screws!

Easily install corrugated sheets with the rare "connected corrugated sheet screws" in the industry!

The wave panel has broken... but the repair work is troublesome and difficult! Is there any way to make it easier? This time, we are introducing the "Polycarbonate Connecting Wave Panel Screw," created in response to such voices! 1. A rare "connecting" wave panel screw in the industry! In response to customer feedback that "using screws one by one is difficult as they can fall from hand," we have developed a rare "connecting type wave panel screw" in the industry! 2. No pre-drilling required, reducing construction time! The screw nails easily penetrate wood without the need for pre-drilling, allowing for a shortened process! 3. Available in two colors: clear and bronze. We offer two colors, clear and bronze, to match the color variations of the wave panels. *For more details, please refer to the PDF document or feel free to contact us. Tags: livable, comfortable, housing, convenient, wave panel, typhoon, hail, typhoon measures, disaster measures, connecting screws, process reduction, no pre-drilling required.

  • Wood products

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Polycarbonate connecting wave plate screw

Easily install corrugated sheets with the rare "connected corrugated sheet screws" in the industry!

This is a "polycarbonate connecting wave board screw" that can be used for repairing wave boards. Feature 1: A rare "connected" wave board screw in the industry! In response to customer feedback that "using individual screws is difficult as they can fall from hand," we have created a rare "connected type wave board screw" in the industry! Feature 2: No pre-drilling required, reducing construction time! The screw nails easily penetrate wood without the need for pre-drilling, allowing for a shortened process! Feature 3: Available in two colors: clear and bronze We offer two colors, clear and bronze, to match the color variations of the wave board. *For more details, please refer to the PDF document or feel free to contact us.

  • Wood products

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Even simple tasks like driving screws can be high performance and efficient.

High holding power and ease of driving. A course thread that has both.

A versatile course thread that excels in various places. Because it is used so much, small frustrations like, "The wood split when I drove it in..." or "It took too long to fasten because it didn't go in well..." can unexpectedly turn into big stress! How about relieving that stress with the "Universal Power Screw"? 【Recommended Points】 ■ Improved work efficiency with a split-tip design! The Universal Power Screw features a split-tip design that makes it easier to penetrate hard wood and reduces the likelihood of splitting. ■ Peace of mind after installation! Adopts a double-thread design! The Universal Power Screw uses a double-thread design for excellent holding power. It has also become stronger against pull-out. *For more details, please refer to the PDF document or feel free to contact us. Tags: Comfort, Housing, Convenience, DIY, Double Thread, Machine Nailing, Time Efficiency, Universal, Screw, Work Efficiency Improvement, Course Thread

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Easy to carry! No pilot hole needed! 【Polycarbonate connecting wave plate screws】

Easily install corrugated sheets with the rare "connected corrugated screws" in the industry!

The wave board has broken... but the repair work is troublesome and difficult! I wish there was an easier way. This time, we introduce the "Polycarbonate Connecting Wave Board Screw," created in response to such voices! 1. A rare "connecting" wave board screw in the industry! In response to customer feedback that "using individual screws is difficult as they can fall from your hands," we have developed a rare "connecting type wave board screw" in the industry! 2. No pre-drilling required, reducing construction time! The screw nails easily penetrate wood without the need for pre-drilling, allowing for a shortened process! 3. Available in two colors: clear and bronze. We offer two colors, clear and bronze, to match the color variations of the wave board. *For more details, please refer to the PDF document or feel free to contact us.

  • Wood products

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One hit stop for rafters! 'DH Rafter Fastener'

Cost performance and workability balanced rafter stop screws.

The DH rafter fastener is a product developed with the intention of being more accessible than our "Premium Insulation Screw," specifically focusing on the function of securing rafters. 【Recommended Points】 ■ Significant Reduction in Construction Time As a structural screw that can substitute for hardware, it can secure rafters with just one screw, equivalent to the twisting hardware ST-12, making it easy to fasten rafters. (*Please drive it into the horizontal member at a depth of 45mm or more.) Being a product designed for reduced construction, it can significantly cut down on construction time. ■ Excellent Workability With a wire diameter of 5.3mm and a split-point tip design, it is less likely to cause wood splitting and easily penetrates the wood, providing outstanding workability. ■ Clean Finish Thanks to the four-blade rib from the head to the shank, the screw head sits flat, resulting in a clean finish. *For more details, please refer to the PDF document or feel free to contact us.

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Tips for simplifying rafter construction.

Cost performance and workability balanced rafter stop screws.

The DH rafter fastener is a product developed with the intention of being more accessible than our "Premium Insulation Screw," specifically focusing on the function of securing rafters. 【Recommended Points】 ■ Significant Reduction in Construction Time As a structural screw that can substitute for hardware, it can secure rafters as effectively as the twisting hardware ST-12 with just one screw. (*Please drive it into the horizontal member at least 45mm.) Being a product designed for reduced construction, it can significantly cut down on construction time. ■ Excellent Workability With a wire diameter of 5.3mm and a split-point tip design, it is less likely to cause wood splitting and easily penetrates the wood, resulting in outstanding workability. ■ Clean Finish Thanks to the four-blade rib from the head to the shank, the screw head can be seated flat, resulting in a clean finish. *For more details, please refer to the PDF document or feel free to contact us.

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