Since it is an overseas standard, it is often used for imported goods, plumbing fixtures, and construction-related items.
At Sun-Ei Co., Ltd., we offer custom-made screws tailored to specific products and specifications for applications such as construction, machine tools, transportation machinery, industrial machinery, and chemical plants. If you have any special screws that are not available on the market, please feel free to consult us. "Special inch screws" are screws measured in inches, with thread angles categorized as Unified screws (60°) and Whitworth screws (55°). Unified screws are further divided into coarse (UNC) and fine (UNF) threads based on pitch spacing. As they conform to international standards, they are commonly used in imported goods, plumbing fixtures, and construction-related applications. Please consult us when considering production. For more details, please contact us or refer to our catalog.
Inquire About This Product
basic information
【Features】 ○ Inch-sized screws → Available in Unified screw (60°) and Whitworth screw (55°) based on thread angle ○ Unified screws are divided into coarse (UNC) and fine (UNF) based on pitch spacing ○ Commonly used in imported goods, plumbing equipment, and construction due to international standards ○ Please consult us when considering production 【Strengths of San-Ei Co., Ltd.】 ○ Supports all processing from machining to surface treatment ○ Same-day quotation available ○ Capable of producing small lots ● For more details, please contact us or refer to the catalog.
Price information
Please contact us.
Delivery Time
※Please contact us.
Applications/Examples of results
For more details, please contact us or refer to the catalog.
catalog（1）
Download All Catalogs
Company information
I want to outsource manufacturing, but... is it possible to procure cheaply from overseas? Managing product circulation and inventory is tough! San-Ei will work together to solve the problems. We provide solutions to address challenges with a one-stop service. We respond to a wide variety of situations and can ensure speedy delivery through numerous partner manufacturers. By collaborating with our office in Vietnam, we can assist in reducing costs while maintaining Japanese quality. We provide consistent support from planning to product delivery, aiming to shorten the time for each process. Recently, we have received high praise for our prototypes and small lot productions as well.
![[Case Study] Custom-Made Special Screws: Special Reamer Bolts](https://image.mono.ipros.com/public/product/image/a53/2000151856/IPROS7726674754201600306.JPG?w=280&h=280)
