塚由製作所 List of Products and Services

【Features】 ■Hollow ■Screw ■Housing hardware ■Shaft

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【Features】 ■Ring ■Coating ■Hook ■Screw

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【Features】 ■ Parking ■ Parking ■ Car stopper ■ Car stopper block ■ Car stopper pole ■ Parking block

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Features - Temporary housing - Columns - Screws - Construction hardware - Housing hardware

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【Features】 ■Screws ■Hinges ■Bolts

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【Features】 ■Construction Machinery ■Hinges ■Forging ■Metal Processing ■Screws

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【Features】 ■Construction machinery ■Hinge ■Screw A pin used in hinges. It seems to be used in construction machinery.

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【Features】 ■Iris ■Knurling ■Shaft ■Grinding stone We will process the stainless steel with iris machining.

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【Features】 ■ Weld ■ Welding pin ■ Drilling process ■ Screw ■ Agricultural tools Drilled holes in welding rivets. Used in agricultural tools.

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【Features】 ■Door ■Arm ■Fittings ■Building materials These are bag nuts used for doors. They are finished through processes such as multi-stage headers, tapping, degreasing, and plating.

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【Features】 ■Drilling ■Drill press ■Agricultural tools Holes have started to appear. This is an inventory item.

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【Features】 ■Screws ■Forging This is a bolt that receives orders approximately once every two years. It is manufactured through the processes of forging, trimming, cutting, drilling, rolling, and plating.

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【Features】 ■Screws ■Bolts ■Metal processing These are bolts that are ordered approximately once every two years. They are made through processes such as forging, trimming, cutting, drilling, rolling, and plating.

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【Features】 ■Screw ■Agricultural machinery ■With seat This is a regularly produced drain plug. It is a bolt used in agricultural machinery parts.

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【Features】 ■Rivet ■Stainless Steel ■XM7 Stainless steel rivet. Manufactured according to user specifications. If you have any issues with dimensions not covered by standards for rivets, please feel free to consult us.

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【Features】 ■Screws ■Hinges ■Rivets ■Furniture Hardware This is a pin used in hinges. It was manufactured based on the user's specifications. The areas that appear to be screws do not function as screws but are designed to engage with the counterpart.

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【Features】 ■Building hardware ■With knock ■Fine thread After forging, proceed with M8 fine thread rolling and through hole processing.

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【Features】 ■ Denden Bolt ■ Rotation ■ Rivet The usage involves fixing the hole part with a pin so that the screw part rotates. The name is derived from the "denden daiko" (a traditional Japanese drum).

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【Features】 ■Cost ■Standard Products ■Fine Details We will create custom bolts from standard bolts. We will cut them down to fine M8P1.0. By skillfully processing standard products, we keep production costs lower than making them from scratch.

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【Features】 ■Agricultural machinery ■Tractor ■Fine specifications These are bolts used in agricultural machinery.

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【Features】 ■Stem ■Caster ■Adjuster Bolt ■Adjustment Bolt ■Main Shaft ■Pin This is a bolt for the stem used in casters. It is also referred to as an adjuster bolt or adjustment bolt in terms of shape. If you require such screws, please feel free to contact us.

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【Features】 ■Construction hardware ■Pins ■Scaffolding ■Pins ■Shafts These are not general-purpose anchors but pins made according to the user's specifications. The material is XM7, produced through forging.

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【Features】 ■Shaft ■Pin ■R surface ■Rivet pin ■Bolt ■Screw This is a stainless steel pin with dual R surfaces. The processing includes forging, R surface cutting on the foot side, R surface cutting on the head, and surface treatment.

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【Features】 ■Step screw ■Step shaft ■Stainless steel It will be a grooved pin or a grooved shaft. The material is XM7. The process involves forming a cross hole by forging, followed by secondary processing for screw undercutting, head cutting, grooving, and rolling. Application unknown.

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【Features】 ■Shaft ■Pin ■Iris Stainless steel coil material is cut straight and then subjected to iris knurling. After that, a pre-processing is done, followed by hole drilling.

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【Features】 ■Cutting ■Machining ■Pipe ■Bolt ■Shaft It seems to be used by inserting the shaft inside the pipe.

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【Features】 ■Step screws ■Bolts ■Shafts It is said to be used as a shaft.

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【Features】 ■ Compression spring ■ Number of coils Based on the specifications in the drawing, it was made by a spring manufacturer.

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【Features】 ■Fall prevention ■Main rope support ■Temporary construction ■Temporary materials

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【Features】 ■Plug ■Prototype ■Rolling ■Polishing A sample was created by rolling it to be 0.05 millimeters thinner than the current rolling diameter.

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【Features】 ■E groove ■Hinge ■Butt hinge ■Latch hinge ■Shaft Used as a pin for butt hinges. After forging, grooving processing is done, followed by degreasing treatment.

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【Features】 ■Knife ■Scissors ■Shears ■45C ■Shaft This is a bolt that attaches to some kind of cutting tool. It is a sample that has been hexagonally machined after forging.

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【Features】 ■Straight ■Press-fit To determine the required dimensions for the knurling, two types of wire diameters were prepared and proceeded with. Application unknown.

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【Features】 ■Turning ■Cutting ■Forging ■Shaft The head is shaped by forging, and the foot side is processed by cutting to R2.

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【Features】 ■Conveyor ■Anti-slip These are bolts used for conveyor belts and similar applications. They have claws that grip into the belt to prevent slipping.

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【Features】 ■Hardware ■Rolling ■Straight Cutting ■Shaft Stainless steel material is straight cut and in a state that has been machined under rolling. After this, it will proceed to rolling processing and bending processing.

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【Features】 ■NC lathe ■Plating ■Nut ■Color Purpose unknown.

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【Features】 ■ Silk pin ■ Medium brim bolt ■ U-bolt ■ Total length 400 After this, the customer will perform rolling and bending processing.

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【Features】 ■Cosmetic nut ■Brass plating ■Trivalent black ■Hardware ■Prototype

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We would like to introduce the products handled by Tsukayoshi Manufacturing Co., Ltd. We produce "caster parts," as well as "furniture-related screws," "construction-related screws," and "hinge pins." We also sell "other special screws." Our maximum production capacity is 60 to 70 tons per month, and we can also manufacture products according to customer requests beyond our main product lineup. Please feel free to contact us when you need assistance. 【Main Product Lineup】 ■ Caster Parts ■ Furniture-Related Screws ■ Hinge Pins ■ Construction-Related Screws ■ Other Special Screws for Sale *For more details, please refer to the PDF materials or feel free to contact us.

• Contract manufacturing
• caster
• Other machine elements

Our company is a screw management enterprise that has established a network system capable of meeting various customer needs, from caster parts to furniture-related screws and hinge pins. We handle caster parts and furniture-related screws, and we also accommodate custom manufacturing upon request. We have a maximum production capacity of 60 to 70 tons per month. At Tsukayoshi Manufacturing Co., Ltd., we value thinking from the customer's perspective and providing sales and proposals. 【Main Products】 ■ Caster parts ■ Furniture-related screws ■ Hinge pins ■ Construction-related screws ■ Other special screw sales *For more details, please refer to the PDF document or feel free to contact us.

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Our company is a screw management enterprise that has established a network system capable of meeting various customer needs, from caster parts to furniture-related screws and hinge pins. We handle caster parts and furniture-related screws, and we also accommodate custom manufacturing upon request. Our maximum production capacity is 60 to 70 tons per month. At Tsukayoshi Manufacturing Co., Ltd., we value thinking from the customer's perspective and prioritizing sales and proposals. 【Main Products】 ■ Caster parts ■ Furniture-related screws ■ Hinge pins ■ Construction-related screws ■ Other special screw sales *For more details, please refer to the PDF document or feel free to contact us.

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Our company is a screw management enterprise that has established a network system capable of meeting various customer needs, from caster parts to furniture-related screws and hinge pins. We handle caster parts and furniture-related screws, and we also accommodate custom manufacturing based on your requests. We have a maximum production capacity of 60 to 70 tons per month. At Tsukayoshi Manufacturing Co., Ltd., we value thinking from the customer's perspective and making sales and proposals accordingly. 【Features】 - Expanding from φ5.9 material to φ through multi-stage headers, then reducing to φ4.

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Our company is a screw management enterprise that has established a network system capable of meeting various customer needs, from caster parts to furniture-related screws and hinge pins. We handle caster parts and furniture-related screws, and we also accommodate custom manufacturing as requested. We have a maximum production capacity of 60 to 70 tons per month. At Tsukayoshi Manufacturing Co., Ltd., we value thinking from the customer's perspective and making sales and proposals accordingly. 【Features】 - Processed into round ends after multi-stage heading. - M6 rolling processing and plating treatment.

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Our company is a screw management enterprise that has established a network system capable of meeting various customer needs, from caster parts to furniture-related screws and hinge pins. We handle caster parts and furniture-related screws, and we also accommodate custom manufacturing upon request. We have a maximum production capacity of 60 to 70 tons per month. At Tsukayoshi Manufacturing Co., Ltd., we value thinking from the customer's perspective and making sales and proposals accordingly. [Features] - Using φ7.85 material, we reduce to φ6 with a multi-stage header.

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