Stainless Steel 303 Spacer Hexagon Male Thread Unfinished Thread No / BSU-D
A spacer designed for secure fastening with a specification for incomplete screw removal. It is suitable for securing circuit boards and housings, as well as for spacing within precision equipment, featuring male and female screw types. The "incomplete screw section" that tends to occur at the base of the male screw has been eliminated through special processing. This allows for a firm contact down to the base when tightening against counterpart components, achieving a strong and stable fastening. It boasts excellent strength and corrosion resistance due to the use of stainless steel 303. This material is highly resistant to corrosion and durability, making it less prone to rust in environments with humidity and temperature changes, while maintaining stable fastening performance over long periods. The material used is particularly excellent in machinability among stainless steels, resulting in very high dimensional accuracy, including the screw section, providing high reliability and peace of mind even in industrial applications and assembly of precision equipment that require strict precision.
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basic information
■Specifications - Material: Free-cutting stainless steel (SUS303) - Treatment: Degreased - RoHS2 compliant ■Standards - Screw diameter: M2/M2.5/M2.6/M3/M4
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For more details, please check our company website or catalog, or feel free to contact us.
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Applications/Examples of results
We offer a variety of products that can be used for various applications such as printed circuit board mounting, electronic component mounting, semiconductor mounting, relay terminal mounting, distribution board components, robot parts, industrial machinery, machine tool parts, water treatment machinery parts, FA equipment, mobile communications, mobile mobility, and base station-related components.
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We, Hirosugi Instruments, are a comprehensive manufacturer of mechanical and electronics parts, dealing with spacers, terminals, washers, bushes, screws, and more. Our wide range of products boasts a diverse lineup that matches various applications, and we have received high praise from customers in various industries for providing multifunctional, high-quality products with short delivery times and low costs. From product development to design, procurement, and technical support, we provide one-stop support through our product offerings. ■ Company Features ■ 1: Offering a diverse selection of over 118,000 standard parts. 2: One of the largest spacer lineups in Japan. 3: Free shipping for orders over 3,000 yen (excluding tax). 4: Orders can be placed starting from a minimum lot of 50 pieces. 5: High-quality standard products at ISO levels. 6: Fast delivery from our own stock for all products. 7: Affordable pricing with cost control. 8: Support for issuing various certificates. 9: Actively supporting the production of custom products. 10: Providing consistent and specialized services.





