screw Product List and Ranking from 311 Manufacturers, Suppliers and Companies

Iron Type 2 Grooved + Bind Tapping Screw Trivalent Chromate Black

This is a screw that can be directly tightened into a pilot hole that has not been processed with a male thread by plastically forming a male thread in the counterpart material itself. The screw pitch is finer than that of a type 1 tapping screw, with the tip of the screw cut by 1/4, and the cut part acts as a blade to shave the counterpart material and form the male thread. Usable counterpart materials include thin and thick plates (0.4 to 5 mm or less), non-metals, thermosetting resins, etc. It is compliant with EU RoHS standards.

Company：ウィルコ
Price：Other

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Stainless steel knurled screw with step φ6×H12 degreased

This is a hand-tightening screw made of SUS303 material. It can be used for securing parts of outdoor devices where corrosion is a concern, and the head itself can be used as a knob. Additionally, since it is a hand-tightening screw, it is suitable for areas that require angle or position adjustments. It is compliant with EU-RoHS standards.

Company：ウィルコ
Price：Other

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NBR flat washer

When the hole diameter of the material being fastened is larger than that of the screw, it can stabilize the screw head. By increasing the surface area of the screw head, it enhances the adhesion with the material. It is also referred to as a washer or flat washer. It is compliant with EU-RoHS standards.

Company：ウィルコ
Price：Other

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EPDM flat washer

When the hole diameter of the material being clamped is larger than that of the screw, it can stabilize the screw head. By increasing the surface area of the screw head, the adhesion to the material can be enhanced. It is also referred to as a washer or flat washer. It is compliant with EU-RoHS standards.

Company：ウィルコ
Price：Other

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Hane Night GP-35L Flat Washer

When the hole diameter of the material being fastened is larger than that of the screw, it can stabilize the screw head. By increasing the surface area of the screw head, the adhesion to the material can be enhanced. It is also referred to as a washer or flat washer. This product is compliant with EU-RoHS standards.

Company：ウィルコ
Price：Other

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Hane Night GP-50V Flat Washer

When the hole diameter of the material being fastened is larger than that of the screw, it can stabilize the screw head. By increasing the surface area of the screw head, the adhesion to the material can be enhanced. It is also referred to as a washer or flat washer. It is compliant with EU-RoHS standards.

Company：ウィルコ
Price：Other

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Brass + small pot screw with NBR washer

This is a brass pan head screw that incorporates NBR-made set washers (NBRS series). It prevents the washer from falling off when the screw is removed, thereby reducing the workload during assembly. It is compliant with EU-RoHS standards.

Company：ウィルコ
Price：Other

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Brass + small pot screws with silicone washers

Brass + small pot screw with silicone washer

This is a brass pan head screw equipped with a silicone rubber set washer (SIS series). It prevents the washer from falling off when the screw is removed, thereby reducing the workload during assembly. It is compliant with EU-RoHS standards.

Company：ウィルコ
Price：Other

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Stainless steel (black dye processing) + small plate screw

This is a small screw with a flat top and a conical-shaped seat that has a cross hole. It is made of iron and has a high corrosion-resistant black coating (Sabinai-jan). It is used when you do not want the head of the screw to protrude. It is necessary to perform counterboring on the material being tightened. It complies with EU-RoHS2 standards. - High corrosion-resistant black coating (Sabinai-jan) refers to a black-coated stainless steel that forms a black film on the surface of the metal, providing high corrosion resistance. In rust resistance durability tests (salt spray), the typical black coating lasts for 72 hours, while the high corrosion-resistant black coating (Sabinai-jan) exceeds 3000 hours. It is suitable for outdoor use and may be used for salt damage prevention in coastal areas and snow removal regions. Usage: Construction, outdoor use, automotive, etc.

Company：ウィルコ
Price：Other

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Quastix for Automotive Assembly

Preventing burnout and improving work efficiency!

In the automotive assembly industry, work that balances quality and efficiency is required. In particular, cam-out during screw tightening can lead to damage to the workpiece and loss of working time, potentially resulting in decreased productivity. Quastix addresses these challenges by suppressing cam-out and enhancing torque transmission efficiency. [Usage Scenarios] - Assembly of automotive bodies - Installation of interior parts - Assembly around the engine [Effects of Implementation] - Prevention of workpiece damage due to cam-out - Reduction of working time - Increased lifespan of bits - Improvement in assembly quality

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Strengthening Manual for Screws (Vol. 8) Differentiating Between Binding Heads and Flat Heads

Introducing the distinction between bind head and flat head in a blog format!

In terms of head size, the bind head is between the pan head and the truss head (not exactly in the middle). It can be used when the truss head is too large for the workpiece, but the pan head might cause it to sink into the material. Additionally, since the depth of the cross hole is slightly deeper than that of the pan head depending on the screw diameter, it can be said that the cross hole is less likely to be damaged in theory. Next, regarding the flat head, its main feature is that after tightening, the head does not protrude from the workpiece and becomes flat. *You can view the detailed content of the blog through the related links. For more information, please feel free to contact us.*

Company：池田金属工業
Price：Other

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Strengthening Manual for Screws (Vol. 7) Differentiating Between Pan Head and Truss Head

Introducing the distinction between bowl heads and truss heads in a blog format!

Next, let's discuss the differentiation in the use of screws with heads. As representative examples, we will look at small screws with a cross recess and bolts with a hexagon socket. First, let's consider the small screw with a cross recess. In this category, let's take the "pan head," which has the highest shipment volume at Ikekin, as our standard. By using a truss head, which has a larger diameter than the pan head, the seating surface, which is the contact area between the screw and the counterpart material, becomes more stable, and the tendency for the screw to sink into the counterpart material is alleviated. *For more detailed information, please refer to the related links on the blog. Feel free to contact us for further inquiries.

Company：池田金属工業
Price：Other

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Cost considerations for bolts, screws, tapping screws, and drill screws.

Strengthening Guide for Screws (Vol. 6)! Introducing the concept of costs for bolts and screws in a blog format!

Next, from the perspective of cost, in order from lowest to highest, it goes as follows: drill screws → tapping screws → bolts and small screws. The cost referred to here is not only the cost of the screws themselves but also includes the expenses for the work necessary for fastening, commonly known as labor costs, which encompasses direct labor costs. This is largely influenced by the number of processes involved. Drill screws can be fastened directly without any pilot holes or internal threads, so roughly speaking, it can be done in one process. *For more detailed content of the blog, you can view it through the related links. For further inquiries, please feel free to contact us.*

Company：池田金属工業
Price：Other

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Differentiating between bolts, small screws, tapping screws, and drill screws.

Strengthening Guide for Screws (Vol. 5)! Introducing the differentiation between bolts and screws in a blog format!

Now, let's go through the eight items that make up a screw, one by one. I believe that such diligent work is necessary at the beginning of screw selection. This allows for the appropriate use of different screws. The keyword for this series of columns titled "Screw Strengthening Guide" is "appropriate use." First, let's discuss screw shapes. *For more detailed information, please refer to the related links. Feel free to contact us for further inquiries.*

Company：池田金属工業
Price：Other

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Screw Reinforcement Book (Vol. 12) is also working hard on the slotted type!

Introducing the benefits of grinding in a blog format!

In recent years, it has become quite rare to see, but slotted screws have advantages that other recesses do not have. For example, when adjusting screws for liquids, gases, or the position of objects, if you rotate it 90 degrees to the right, the appearance remains the same for cross slots, hex slots, and hexagonal sockets, but in the case of slotted screws, the appearance shows a vertical or horizontal line, making it immediately obvious when rotated 90 degrees. *You can view the detailed content of the blog through the related links. For more information, please feel free to contact us.*

Company：池田金属工業
Price：Other

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Why do stainless steel screws tend to seize up easily?

I will introduce thermal conductivity and thermal expansion rate in a blog format!

The phenomenon where screws expand due to the frictional heat generated when tightening or loosening them, causing the male and female threads to seize and become immovable, is called "seizing." Seizing is also referred to as "galling," and stainless steel, in particular, has a tendency to seize easily due to its inherent properties. The causes of this are attributed to its low thermal conductivity and high thermal expansion rate. *For more detailed information, please refer to the related links. Feel free to contact us for further inquiries.*

Company：池田金属工業
Price：Other

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How do you use martensitic stainless steel?

Introducing treatments for martensitic stainless steel that do not reduce corrosion resistance!

13-chromium martensitic stainless steel has a lower chromium content than ferritic types, which reduces its corrosion resistance; however, one of its characteristics is that it can be hardened through quenching, or heat treatment. So, what types of screws need to be hardened when using stainless steel? A representative example is drill screws. Drill screws need to be hardened because they require a drill at the tip to create a pilot hole. *For more details, please refer to the related links. Feel free to contact us for more information.*

Company：池田金属工業
Price：Other

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When the digits increase, the numbers become hard to understand!

Strengthening Book of Screws (Vol. 46)! Introducing the meaning of each number in the strength classification using "10.9" as an example in a blog format.

The strength classification of steel external threads is based on the combination of two elements represented by numbers. Let's take "10.9" as an example to examine the meaning of each number. The first "10" indicates the tensile strength, which in this case is 1,000 MPa (megapascals) or 1,000 N/mm² (newtons per square millimeter) of tensile strength. Tensile strength, as discussed in the screw reinforcement document Vol. 44, refers to the maximum stress that a bolt or screw can withstand when a tensile load is applied along its axis until it fractures. This value is expressed by dividing the load at fracture by the cross-sectional area of the bolt. So, what does a stress of 1,000 MPa or 1,000 N/mm² mean? It means that a stress of 1,000 MPa (since 1M is one million, 1,000 MPa is one billion pascals) can be applied to an area of 1 m² without causing fracture, or that a stress of 1,000 N can be applied to an area of 1 mm² without causing fracture. *For more detailed content, please refer to the related links. Feel free to contact us for more information.*

Company：池田金属工業
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Screw Strength Manual (Vol. 43) How do you express the strength of a screw?

Classification into several stages of strength! Introduction to important strength categories when using screws.

Screws are classified into several strength categories based on the type of material, the presence or absence of heat treatment, and the degree of heat treatment. This is referred to as the "strength classification," which can be represented by combinations of numbers or solely by numbers, as well as by combinations of alphanumeric characters. It is not an exaggeration to say that the most important factor when using screws is the strength classification. If the appropriate strength classification is not selected based on the intended use, it could lead to screw breakage, destruction of the mating base material, and potentially serious accidents such as damage to machinery and equipment. *For more detailed information, please refer to the related links. If you have any questions, feel free to contact us.*

Company：池田金属工業
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Unified Thread Standard (UTS)

Unified screws (inch screws) are screws made in inch sizes.

It is also referred to as "ISO inch screw." Basically, the unified screw is adopted in three countries: the United States, the United Kingdom, and Canada, and it has been standardized for military use. In Japan, the Japanese Industrial Standards (JIS) stipulate that the screws commonly used are of the same standard as "ISO metric screws," while "ISO inch screws" are used in aircraft and other cases where it is particularly necessary.

Company：由良産商株式会社　特販部　特販課
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Flat seat gold 300HV <JIS B 1256:2008 standard>

Material uses S45C to S55C (domestic material)! It is recommended to combine with screw part strength classification 10.9.

We would like to introduce the "Flat Washer 300HV" handled by Sanwa Ai. It prevents the nut or bolt head from sinking into the joined material. When the hole diameter is larger than the bolt diameter, it can be used to stabilize the seating surface. The material used is S45C to S55C (domestic material), and it undergoes bright quenching and tempering heat treatment. 【Features】 ■ JIS B 1256:2008 ■ Recommended for combination with screw part strength classification 10.9 (JIS B 1061:2020) ■ Marked with hardness classification 300HV ■ Compatible with mill sheets and inspection certificates *For more details, please refer to the PDF document or feel free to contact us.

Company：サンワ・アイ
Price：Other

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Flat seat gold 300HV <Avoiding the risk of sinking during bolt fastening>

Marked with a hardness classification of 300HV! It is recommended to combine with screw component strength classification 10.9.

We offer the "Flat Washer 300HV" to avoid the risk of sinking during bolt fastening. This product prevents sinking of the bolt seating surface, which is a cause of loosening of bolts and nuts, and can be used to stabilize the seating surface when the hole diameter is larger than the bolt diameter. The material used is S45C to S55C (domestic material), and it undergoes bright hardening and tempering heat treatment. 【Features】 ■ JIS B 1256:2008 ■ Recommended for use with screw part strength classification 10.9 (JIS B 1061:2020) ■ Marked with hardness classification 300HV ■ Compatible with mill sheets and inspection certificates *For more details, please refer to the PDF document or feel free to contact us.

Company：サンワ・アイ
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Quenched slide shaft [one-end male thread type]

As a piston rod for hydraulic and pneumatic cylinders!

As a guide for linear motion mechanisms, a slide shaft with a single-ended threaded type that can be used in a wide range of fields such as hydraulic and pneumatic cylinders, hydraulic and pneumatic equipment, construction machinery, molding machines, special vehicles, and various FA equipment.

Company：MORIMOTO SEIMITSU SHAFT Co., Ltd
Price：Other

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Quenching slide shaft [both ends with male threads]

We offer a variety of options with rich materials and sizes, accommodating combinations with various types of bearings.

As a guide for linear motion mechanisms, a slide shaft with threaded ends that can be used in a wide range of fields such as hydraulic and pneumatic cylinders, hydraulic and pneumatic equipment, construction machinery, molding machines, special vehicles, and various FA equipment.

Company：MORIMOTO SEIMITSU SHAFT Co., Ltd
Price：Other

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Quenched slide shaft [one-end male thread type]

Hydraulic and pneumatic equipment, construction machinery, molding machines, special vehicles, various FA equipment, etc.

As a guide for linear motion mechanisms, a slide shaft with a single-ended male thread type that can be used in a wide range of fields such as hydraulic and pneumatic cylinders, hydraulic and pneumatic equipment, construction machinery, molding machines, special vehicles, and various FA equipment.

Company：MORIMOTO SEIMITSU SHAFT Co., Ltd
Price：Other

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Quenched slide shaft [both ends male thread type]

As a piston rod for hydraulic and pneumatic cylinders.

As a guide for linear motion mechanisms, a slide shaft with male threads at both ends that can be used in a wide range of fields such as hydraulic and pneumatic cylinders, hydraulic and pneumatic equipment, construction machinery, molding machines, special vehicles, and various FA equipment.

Company：MORIMOTO SEIMITSU SHAFT Co., Ltd
Price：Other

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Hollow Heat-Treated Slide Shaft [Both Ends Step Pipe Type]

As a piston rod for hydraulic and pneumatic cylinders.

As a guide for linear motion mechanisms, a slide shaft of the double-ended stepped pipe type that can be used in a wide range of fields such as hydraulic and pneumatic cylinders, hydraulic and pneumatic equipment, construction machinery, molding machines, special vehicles, and various FA equipment.

Company：MORIMOTO SEIMITSU SHAFT Co., Ltd
Price：Other

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Stainless Steel Quenched Slide Shaft [One-End Male Thread Type]

Hydraulic and pneumatic equipment, construction machinery, molding machines, special vehicles, various FA (Factory Automation) equipment, etc.

As a guide for linear motion mechanisms, a slide shaft with one end male thread and one end female thread can be used in a wide range of fields such as hydraulic and pneumatic cylinders, hydraulic and pneumatic equipment, construction machinery, molding machines, special vehicles, and various FA equipment.

Company：MORIMOTO SEIMITSU SHAFT Co., Ltd
Price：Other

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