Yamashina Co., Ltd.

This is a thread forming screw for resin mating material. Forms a female thread that fits tightly onto the male thread with alm...

• Fastening Components

• Self-Tapping Screws

STRAX® is a caulking stud that can be assembled into various metals using a simple press-fit device. The mating material flows ...

• Fastening Components

• Studs

A locking fastener that can also be used in tapped holes. It has a special thread shape that bites into the female thread, incr...

• Fastening Components

• Countersunk Head Nails

Yamashina has been working on the development of aluminum bolts for nearly 10 years. After much trial and error, including benc...

• Fastening Components

• Flange Bolts

EVO PT® is a thread forming screw for plastics that provides almost constant screwing torque regardless of the thread length. I...

• Fastening Components

• Self-Tapping Screws

AluArma PT® is a high-strength aluminum alloy tapping screw developed specifically for resins that can be used to fasten hard r...

• Fastening Components

• Self-Tapping Screws

This is a screw with a built-in washer. The washer is installed before the thread rolling process, so the washer will not fall ...

• Drive Mechanisms & Components

• Washer Head Screws

Tapping screw for resin. It is a best-selling resin product that has a long history and extensive mass production experience, a...

• Fastening Components

• Self-Tapping Screws

Although Delta PT® is a self-tapping screw for resin, it has the concept of holding the connection using axial force like a bol...

• Fastening Components

• Self-Tapping Screws

Gigafit is a self-tapping screw technology that can be used for ultra-high tensile strength materials of 1,180Mpa. It uses a ma...

• Fastening Components

• Self-Tapping Screws

This nut is made of aluminum alloy, and its surface is treated with AlArma® treatment, which is based on a special hard alumite...

• Fixtures

• T Nuts

The screw shape is a single thread with a tapered tip and a guide, and the bottom part is a double thread self-tapping screw fo...

• Fastening Components

• Self-Tapping Screws

This is a screw with a resin washer pre-installed. The screw is manufactured by press-fitting the screw, which has undergone su...

• Drive Mechanisms & Components

• Washer Head Screws

This is a special screw in which the unthreaded part from the bottom of the neck to the threaded part is designed to be thinner...

• Fastening Components

• Taptite Screws

TAPTITE 2000R fasteners developed by CONTI/REMINC are especially effective for making tapless fasteners with diameters larger t...

• Fastening Components

• Self-Tapping Screws

Al Keeper is a high-strength, lightweight nut and collar made of aluminum alloy. Developed as a special part to reduce the weig...

• Fixtures

• T Nuts

Sinka® is a self-tapping screw designed specifically for thin steel plates that can be used even when the mating material is a ...

• Fastening Components

• Self-Tapping Screws

These are common plastic tapping screws that are widely used. The cross section has a circular shape, which reduces the screwin...

• Fastening Components

• Self-Tapping Screws

Sinka SD® is a drilling screw that inherits the characteristics of "Sinka", which has high air resistance performance when used...

• Fastening Components

• Self-Tapping Screws

SPILEAD is a tapping screw for thin plates that provides a wide torque difference with low screwing torque and high breaking to...

• Fastening Components

• Self-Tapping Screws

This technology challenges the conventional wisdom that tapping fasteners cannot be used for electrical assembly because they g...

• Fastening Components

• Self-Tapping Screws

This product is manufactured and sold by Yamashina under a license agreement with EJOT of Germany. This is a self-tapping screw...

• Fastening Components

• Self-Tapping Screws

There is a growing need to use carbon fiber composite materials such as CFRP and CFRTP, which have a specific gravity one-fourt...

• Fastening Components

• Self-Tapping Screws

Tapping bolt for metal. This is a best-selling tapping pin for metals that has a long history and extensive mass production exp...

• Fastening Components

• Self-Tapping Screws

We can stably supply screws specified by JIS standards with high quality. We look forward to receiving your request for a quote...

We manufacture various head shapes including recesses by cold working. A wide variety of processing is possible by combining va...