ウィルコ List of Products and Services

This is a hole-type set screw used to provide throttling resistance in flow paths of hydraulic equipment and similar applications. The screw is color-coded in four different colors to identify the hole diameter.

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This is a screw with a head shaped like the threaded part, featuring a hexagonal hole. It is tightened using a hexagonal rod wrench (hex key). It is used to press the tip of the screw against the mating part to secure it. The pointed tip of the screw digs into the mating part for fixation. It is also called a set screw or grub screw. It is compliant with EU-RoHS standards.

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This is a screw with a head that has the same shape as the threaded part and features a hexagonal hole. It is tightened using a hexagonal rod wrench (hex key). It is used when the screw tip is pressed against the mating component to secure it. Because the screw tip is flat, it is suitable for applications where you do not want to scratch the mating component. It is also referred to as a set screw or grub screw. It is compliant with EU-RoHS standards.

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Nylok is a reliable locking technology that permanently adheres special nylon to the threaded part. It is used for securing components to rotating shafts and includes Nylok processed hex socket screws that are prone to loosening due to rotation or vibration. *Nylok is a registered trademark of Nylok LLC. It is compliant with EU-RoHS standards.

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This is a screw with a head that has the same shape as the threaded part and features a hexagonal hole. It is tightened using a hexagonal rod wrench (hex key). It is used when the tip of the screw is pressed against the counterpart to secure it. Since the tip of the screw is recessed, it may leave a circular mark on the counterpart. It is also referred to as a hollow set or set screw. It is compliant with EU-RoHS standards.

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This is a screw with a head that has the same shape as the threaded part and features a hexagonal hole. It is tightened using a hexagonal rod wrench (hex key). It is used when the tip of the screw is pressed against the counterpart to secure it. Because the tip of the screw is recessed, it may leave a circular mark on the counterpart. It is also referred to as a hollow set or set screw. It is compliant with EU-RoHS standards.

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This is a bolt with a low-headed hexagonal star-shaped screw hole. It is tightened using a Torx wrench or similar tool. Torx is a registered trademark of Acument Intellectual Properties, LLC. It is compliant with EU-RoHS standards.

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Tighten using a Torx wrench or similar tool. Torx is a registered trademark of Acument Intellectual Properties, LLC. This product is compliant with EU-RoHS.

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This is a bolt with a smaller head outer diameter than standard hex socket cap bolts. It is ideal for areas where the larger head outer diameter of standard cap bolts cannot be tightened. It is compliant with EU RoHS regulations.

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This is a hex socket bolt with a flat top and a conical-shaped seat. It is used when you do not want the head of the screw to protrude. It is necessary to perform a counterbore on the material being tightened. It is also called a cup cap. It is compliant with EU-RoHS standards.

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This is a bolt with a hexagonal hole. It is tightened using a hexagonal rod wrench (hex key). It is suitable for tightening in narrow spaces where it is difficult to work with a spanner or wrench designed for hex bolts. It has a lower head and a wider width compared to a cap bolt. Its head has a rounded shape like a button, making it recommended for places where you don't want the fastening location to stand out. In addition to cap bolts, we have increased the range of widths available depending on the application.

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This is a hex socket button bolt with a flat washer-shaped seating surface. The wide seating surface helps prevent loosening and enables stable tightening. Compared to cross holes, it allows for stronger tightening. Because the seating surface is wide, it allows for larger pilot holes in the items being tightened. The seating surface can replace a flat washer, contributing to a reduction in the number of parts. It is also suitable for cover installation. This product is compliant with EU-RoHS standards.

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This is a hexagon socket bolt with a flat washer-shaped seating surface. The wide seating surface helps prevent loosening and enables stable tightening. Compared to cross holes, it allows for stronger tightening. Due to the wide seating surface, the pilot hole of the item being tightened can be made larger. The seating surface serves as a substitute for a flat washer, contributing to a reduction in the number of parts. It is compliant with EU-RoHS standards.

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This is a hexagon socket bolt with a flat washer-shaped seating surface. The wide seating surface helps prevent loosening and enables stable tightening. Compared to cross holes, it allows for stronger tightening. Due to the wide seating surface, the pilot hole of the item being tightened can be made larger. The seating surface serves as a substitute for a flat washer, contributing to a reduction in the number of parts. It is compliant with EU-RoHS standards.

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This is a hexagon socket bolt with a lower head and smaller outer diameter compared to JIS standards. It is tightened using a hexagonal rod wrench (hex key). This bolt is suitable for tightening in narrow spaces where it is difficult to work with a spanner or wrench. It is compliant with EU-RoHS standards.

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This is a low-profile hex socket bolt. It is tightened using a hexagonal rod wrench (hex key). Even in tight spaces, it fits neatly and smartly, making it ideal for portable devices and slim equipment. The smooth finish enhances safety by preventing snagging and skin injuries. The inconspicuous screw head is also popular for products that prioritize design. Since counterboring is not required, it is recommended when you want to reduce processing costs. It is compliant with EU-RoHS standards.

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This is a low-profile hex socket bolt. It is tightened using a hexagonal rod wrench (hex key). Even in narrow spaces, it fits neatly and smartly, making it ideal for portable devices and slim equipment. The smooth finish enhances safety by preventing snags that could injure the skin. The inconspicuous screw head is also popular for products that prioritize design. Since counterboring is not required, it is recommended when you want to reduce processing costs. It is compliant with EU-RoHS standards.

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This is a hexagon socket bolt with a lower head and smaller outer diameter compared to JIS standards. It is tightened using a hexagonal rod wrench (hex key). It is suitable for tightening in narrow spaces where it is difficult to work with a spanner or wrench. It is compliant with EU-RoHS standards.

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This is a hexagon socket bolt with a lower head compared to JIS standards. It is tightened using a hexagonal rod wrench (hex key). It is suitable for tightening in narrow spaces where it is difficult to work with a spanner or wrench. It is compliant with EU-RoHS standards.

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This is a bolt with a hexagonal hole. It is a very small type M1.4 that is not included in the JIS standard. It is tightened using a hexagonal rod wrench (hex key). This bolt is suitable for tightening in narrow spaces where it is difficult to work with a spanner or wrench. It is also referred to as a cap screw or socket screw. It is compliant with EU-RoHS standards.

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The hexagon socket bolt is equipped with a spring washer and a flat washer. Since they are pre-assembled, it reduces the time required for the assembly process. The presence of the washers also helps prevent damage to the seating surface of the mating material.

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The hexagon socket bolt is equipped with a spring washer and a flat washer. Since they are already assembled, it reduces the time required for the assembly process. The presence of the washers also helps prevent damage to the seating surface of the mating material.

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The hexagon socket bolt is equipped with a spring washer and a flat washer. Since they are pre-assembled, it reduces the time required for the assembly process. The presence of the washers also helps prevent damage to the seating surface of the counterpart material.

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The hexagon socket bolt is equipped with a spring washer. Since it is pre-assembled, it reduces assembly time. The presence of the washer also prevents damage to the seating surface of the counterpart material. It is compliant with EU-RoHS standards.

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The hexagon socket bolt is equipped with a spring washer. Since it is pre-assembled, it reduces the time required for the assembly process. The presence of the washer also helps prevent damage to the seating surface of the mating material.

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The hexagon socket bolt is equipped with a spring washer. Since it is pre-assembled, it reduces the time required for the assembly process. The presence of the washer also helps prevent damage to the seating surface of the mating material.

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By applying an alloy electroplating of zinc and nickel (zinc-nickel plating) to the base material, it exhibits superior corrosion resistance in saltwater and outdoor exposure compared to conventional zinc plating. It also has excellent heat resistance and is characterized by being hard and resistant to scratches. Hexagon socket bolts are also in stock.

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This is a hexagon socket bolt treated with a high corrosion-resistant surface used in automobiles. The FA coating features a beautiful matte black appearance and excels in corrosion resistance, torque stability, lubricity, weather resistance, and environmental aspects such as RoHS and REACH.

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This is a bolt with a hexagonal hole. It is tightened using a hexagonal rod wrench (hex key). By applying a zinc and nickel alloy electroplating to the base material, it offers superior corrosion resistance compared to conventional zinc plating in saltwater and outdoor exposure. It also has excellent heat resistance and is characterized by being hard and resistant to scratches.

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This is a bolt with a hexagonal hole. It is tightened using a hexagonal rod wrench (hex key). It is suitable for tightening in narrow spaces where using a spanner or wrench is difficult. It is also called a cap screw or socket screw. It is compliant with EU-RoHS standards.

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This is a bolt with a hexagonal hole. It is tightened using a hexagonal rod wrench (hex key). The corrosion treatment involves layering metal zinc flakes in a heated oven, resulting in dozens of layers. Since it is a water-based solution, it is completely chrome-free. Environmental considerations are also taken into account during the manufacturing process. The film thickness is 8 microns, and it excels in corrosion resistance and heat resistance. The Geomet coating has a corrosion potential close to that of aluminum, which can prevent galvanic corrosion that occurs when fastening to aluminum. *Geomet is a registered trademark of NOF Metal Coatings Co., Ltd. *It is assumed that domestically produced wrenches are used for tightening.

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By applying a zinc-nickel alloy electroplating (zinc-nickel plating) to the substrate, it exhibits superior corrosion resistance in saltwater and outdoor exposure compared to conventional zinc plating. It also has excellent heat resistance and is characterized by being hard and resistant to scratches. Hex bolts are also in stock.

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The head shape is hexagonal, and it can be tightened using tools such as wrenches and spanners. It can be tightened more securely than screws with a cross hole. It is compliant with EU-RoHS standards.

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The head has a hexagonal shape with a cross hole. It can be tightened using either a screwdriver, spanner, or wrench. The washer does not come off the screw, which saves the trouble of setting the washer and improves work efficiency. It is also referred to as a Sems screw. It is compliant with EU-RoHS standards.

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The head has a hexagonal shape with a cross hole. It can be tightened using either a screwdriver, a spanner, or a wrench. It is compliant with EU-RoHS standards.

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The head shape is hexagonal, allowing for tightening with tools such as wrenches and spanners. It can be tightened more securely than screws with a cross hole. Since the washer does not come off the screw, it eliminates the hassle of setting the washer, thereby improving work efficiency. It is also referred to as a Sems screw. It is compliant with EU-RoHS standards.

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By applying a zinc-nickel alloy electroplating (zinc-nickel plating) to the base material, it exhibits superior corrosion resistance in saltwater and outdoor exposure compared to conventional zinc plating. It also has excellent heat resistance and is characterized by its hardness and resistance to scratches. Hex socket bolts are also in stock.

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This is a completely chrome-free rust prevention treatment that is laminated in dozens of layers by heating metal zinc flakes in a curing oven. The film thickness is 8 microns, and it excels in corrosion resistance and heat resistance. The Geomet coating has a corrosion potential close to that of aluminum, which can prevent galvanic corrosion that occurs during fastening to aluminum. The head shape is hexagonal. *Geomet is a registered trademark of NOF Metal Coatings Co., Ltd.*

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By applying a zinc-nickel alloy electroplating (zinc-nickel plating) to the base material, it exhibits superior corrosion resistance in saltwater and outdoor exposure compared to conventional zinc plating. It also has excellent heat resistance and is characterized by its hardness and resistance to scratches. Hexagon socket bolts are also in stock.

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The head shape is hexagonal, and it can be tightened using tools such as wrenches and spanners. It can be tightened more securely than screws with a cross hole. It is compliant with EU-RoHS standards.

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Generally referred to as "Torx" or "hexalobular," these star-shaped screw holes fit neatly and smartly in narrow spaces, making them ideal for mobile devices and slim equipment. The smooth finish enhances safety by preventing snagging and skin injury. Because the screw head is inconspicuous, they are also popular for products that prioritize design. They do not require counterboring, making them recommended when you want to reduce processing costs. They comply with EU-RoHS standards.

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Generally, it is tightened using a hexagonal star-shaped screw hole called "Torx" or "hexalobular," with tools such as a hexalobular wrench. It is compliant with EU-RoHS standards.

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Generally, it is tightened using a hexagonal star-shaped screw hole called "Torx" or "Hexalobular" with a hexalobular wrench. It is compliant with EU-RoHS standards.

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Generally, it is tightened using a hexalobular wrench, commonly referred to as "Torx" or "hexalobe," which has a star-shaped hexagonal screw hole. It is compliant with EU-RoHS standards.

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Generally, it is tightened using a hexagonal star-shaped screw hole called "Torx" or "hexalobular," with tools such as a hexalobular wrench. It is compliant with EU-RoHS standards.

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