Introducing other products used in construction work and construction machinery.

Other Products

Headed Studs

Headed Studs

Headed studs are used to prevent concrete slippage or used as anchors in civil engineering steel and concrete structure construction.
Threaded welded studs are also currently used in fields such as shipbuilding, automotive, electric boiler, and iron ties, and the arc stud weld field of application is especially growing in the future.

Our studs use aluminum killed steel from Sumitomo Metal Industries.
Leveraging experience in cold and hot steel processing technologies cultivated through high tension bolt manufacturing, Teikoku Seibyo is able to manufacture a variety of specialized forms. (Up to 1,000mm length to bottom of head)

[JIS Certification Classification]
April 1989 JIS B1198 Headed studs

TM Truss Bolts (TM bolts)

TM Truss Bolts (TM bolts)

TM truss bolts are used in the ball joints of TM three dimensional trusses (from Taiyo Kogyo) that create inviting column-free spaces.
Made from chrome-molybdenum steel (SCM435) and nickel chrome-molybdenum steel (SNCM439), TM bolts are tuned for high strength using new hot processing equipment.
They are also treated with a special anti-corrosion process to avoid delayed failure.
Teikoku Seibyo is able to provide high quality, high strength and corrosion resistance treatment for bolts of nearly any size. (Up to 1,000mm length to bottom of head)

Drift Pins

Drift Pins

Drift pin manufacturing requires advanced heat treatment technologies.
Improper management of heat treatment can lead to problems such as loose pins or easily bent pins.
In manufacturing drift pins at Teikoku Seibyo, a strict material selection process is followed in addition to our excellent heat treatment technologies, allowing us to earn absolute trust from our customers.

Other uses for track spikes, trapezoidal screws, etc.

See detail

track spikes Why not use for decorative purposes? Track spikes and screws can be used as commemorative gifts.
Track spikes, also called "dog spikes" due to their resemblance to a dog's head, can be used in variety of applications. Try using them as decorations for outside walls or as hanging hooks.

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