List of Screw products

Reduce the workload from handling heavy objects! Here are five case studies that solved customer challenges! We are also accepting free consultations and tests tailored to your work!

• Other conveying machines

Strong cold wind from room temperature to -13°C! Depending on the usage environment, you can choose between the combo type or the separate type!

• Cooling system

We will draw out the needs of our customers and provide the highest quality.

• bolt
• Other Auto Parts
• Other machine elements

No welding, no need for pre-drilling, joining of dissimilar metals! Installation work is automatically controlled to prevent installation errors ~ No Welding!

• nut

Achieving linear motion with a shaft without screws; backlash-free nut through friction contact.

• Other machine elements
• nut
• Power Transmission Equipment

We will be exhibiting at the 2025 NAGOYA Automotive Technology Exhibition. Please be sure to stop by our booth.

• bolt

Introducing examples of the development and manufacturing of micro screws and parts, bolts for transportation equipment, and medical implants and surgical instruments!

• bolt
• Other machine elements

Using insulating bolts allows for electrical insulation between the flanges and between the flange and port nut, thereby preventing galvanic corrosion.

• Piping Materials
• Other machine elements
• bolt

Achieve electrical insulation between flanges and insulation between flanges and bolts/nuts to prevent galvanic corrosion!

• bolt

Hexagonal plastic spacers for M3 and M4 screws, a total of 11 sizes!

• Printed Circuit Board
• Wiring materials
• nut

Hollow resin spacers for M3 and M4, a total of 12 sizes!

• Printed Circuit Board
• Wiring materials
• nut

Adhesive type spacer that can be locked on PCBs with by simply snapping it in! Total 9 sizes, two options Φ3 and Φ4 available

• Printed Circuit Board
• Wiring materials
• nut

Bracket for fixing PCBs on a 90° angle

• Printed Circuit Board
• Wiring materials
• nut

The shape is plain but useful! Anchor bolts for fixation that can achieve a fixation length of 20d or less.

• bolt
• others

Design Handbook for Exposed Type Elastic Fixed Column Footing Method! Includes application range and materials, shapes, and dimensions of main materials.

• bolt

Overview of the bolt set and evaluation content published! Introducing the evaluation summary report for P column anchor bolts.

• bolt
• others

This is a high-strength one-sided bolt that leads to shortened construction periods and reduced costs through one-sided installation.

• bolt

Transforming customer requests into tangible forms through creativity is our business.

• bolt

Salt spray test cleared for 5000 hours! Introducing the highly corrosion-resistant D-LOCK with a unique top coating added to the molten zinc-tin alloy plating!

• bolt

TONEJI Co., Ltd. transforms customer requests into tangible products. We accept inquiries for custom manufacturing.

• bolt

Improved work speed with a large screw pitch! This is a temporary fastening bolt that is less prone to dents and suitable for reuse.

• bolt

We have prepared a stronger type of D-LOCK, which achieves high workability with a two-piece structure.

• bolt

Shortening construction time with a unique two-piece structure, enhancing on-site safety!

• bolt

Achieved a significant increase in work speed compared to the conventional 5-piece structure! For the installation of architectural structures and the mounting of solar panel frameworks!

• bolt

Non-magnetic, used in FPD manufacturing equipment, semiconductor manufacturing equipment, marine equipment, and general industrial machinery applications!

• bolt

Excellent chemical resistance and seawater resistance! Hexagon socket bolts with a small head diameter.

• bolt

Smooth energy absorption, linear deceleration! Can be used in clean rooms.

• bolt
• Screw
• Other machine elements

Over 100 types of concrete construction hardware such as anchor bolts! PDF version of the catalog is being distributed.

• bolt

Products that combine header processing and machining.

• bolt