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Latest update: 14/01/2020 14:19:28

Sanki Seisakusho Co., Ltd.

Our company specializes in hexagon processing, such as hexagon machining, and bolts with hexagon sockets.

We offer hexagon machining, hexagon socket bolt manufacturing, and small bar machining. For more than 20 years we have been manufacturing special bits carried by gas safety inspection personnel, which are used for opening, closing, and maintenance purposes. We have supplied the Defense Agency with screwdrivers used for protecting confidential information. Our consignment machining projects include special locking screws with hexagon sockets (delivered to a Chinese parts manufacturer), and machining tools for a Korean plant assembly line (German auto maker). Other projects include special machining (6.35-mm bits with 1.3-mm hexagon sockets), titanium pendants, machining hydrogen battery titanium cases, and application proposals in the heat-resistance and allergy countermeasure fields.

Main image

Sales Pitch

Concierge of hexagonal socket machining
A metalworking manufacturer that processes special screws and screwdrivers even in high-mix small-lot production. Our company deals with six kinds of hexagon socket machining, regardless of the material or hexagon socket. Our past projects include the works of triangle, square, pentagon, and hexagon sockets. 
We developed hexagon socket machining techniques to manufacture a screwdriver that can attach nonmagnetic hexagon bolts and nuts without dropping, based on the intended use.
Product name: Hex-Catch
Our advanced screwdriver processing techniques allow us to manufacture a screwdriver that can attach nonmagnetic hexagon socket head cap bolts and set screws without dropping, based on the intended use.
Product name: Cap-Catch

Other presentation

[Company strength]
Our company can propose a machining method if you need a hexagon socket on a special screw or shaft. This can be selected from among 7 types of hexagon sockets, depending on the shape, quantity, and material. Our company bores 0.7 mm-side hexagon sockets using 2 machining methods with lathes. Press working is used for 1.5-mm side hexagon machining. We can use our engineers’ network to gain cooperation with slottering, broaching, wire EDM, and EDM, if these methods are not applicable, which is one of our strengths. We can also make special screwdrivers, machine thin hexagonal bars with lathes, and mass-produce small square parts in a short time. We use an optical microscope and other inspection tools to maintain quality, and supply high-quality parts in a stable manner. 

[Business description]
We manufacture special screws, screwdrivers, and small parts. Our company manufactures parts for machine tools, construction metal fittings, automobiles, industrial machinery, precision devices, and medical devices on a made-to-order basis. We make product recommendations and manufacture small parts by fusing compact NC compound lathe machining with plastic working by pressing processing.

Metalworking manufacturing

[Strength of products/technologies]
Standard screws and bolts are mass-produced and sold at low prices. However, small-quantity, non-standard hexagon sockets, square sockets, and parts with hexalobular holes are supplied by a very small number of manufacturers. Our company supports such a niche market. We are an SME, so we can respond quickly and precisely because our engineers directly contact the customer. We use a lathe for hexagon machining. We use the turn broaching method (material is turned) and shaper method (the material is stopped and moved by phases while its 6 corners are machined with a blade). Past examples of materials include Hastelloy, titanium, and magnesium locking screws with hexagon sockets. 

[Representative's message]
We have been receiving an increasing number of inquiries since 5 years ago when we started to participate in a large exhibition twice a year. We try to actively participate in exhibitions and managers’ gatherings in an all-company effort to absorb useful information. We communicate this information from our website and exhibitions in an easily understandable way. It is our greatest pleasure and also our social mission when customers thank us saying that they were glad to have found our company. We will devote ourselves to keeping up with rapidly evolving technologies so that we can please future customers we have not even met yet. We will enhance our technology, planning, and sales capabilities at the same time to become a reliable partner for our customers. 

[Company structure for market development/overseas expansion]
Our company excels at planning and manufacturing original screws that are effective for maintenance. We make original cap screws that no one else was willing to make, as well as hexagon sockets on special screws and screwdrivers that are unavailable through mail order. Our theme is to break through to hexagon sockets that deeply impress our customers. We are currently looking for ways to approach Japanese companies in East Asia and Japan branches of European countries for our overseas expansion. We plan to participate in 5 domestic Japanese exhibitions in 2015. Our website will also be renewed this year. 

[Market share/Ranking]
We support a wide range of needs, including machining tools, industrial machinery, precision devices, medical device manufacturers, screw trading companies, and private building companies. 

[Awards and media coverage]

News Digest
Seisanzai Marketing magazine, News Digest (October 2011); Organization for Small and Medium Enterprises and Regional Innovation, “Kyoso” (a brochure of successful examples from the follow-up survey of the 2013 Business Matching Event). 

[Main Clients / Business History (domestic)]
Gas company in the Kanto area (special bits; consignment manufacturing, since 1993); Shimano (bolts with titanium torque holes and bolts with hexagon sockets; consignment manufacturing, since 2014); many special screws delivered to major companies through a screw trading company. 

[Main Clients / Business History (overseas)]
Chinese parts manufacturer (special locking screws with hexagon sockets, through a Japanese screw trading company; consignment manufacturing, 2013); German auto maker (machining tools for use on an assembly line in a Korean Plant; consignment manufacturing, 2010–2014). 

This company is recommended by the following support organizations.

Kansai Head Office, SMRJ

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