Introducing the high corrosion-resistant Delta Protect coat for ultra-strength hex socket bolts with a strength class of 14.9.
"I wanted a bolt like this." In response to our customers' strong demand, we developed an "ultra high strength" 14.9 hex socket bolt that exceeds standard specifications. To provide this ultra high strength bolt with high corrosion resistance, we adopted the "Delta Protect Coat." This remarkable product boasts a tensile strength of 1,400 N/mm² while exceeding 2,000 hours of salt spray resistance.
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basic information
A jointly developed product with a top-tier manufacturer, Kyokuto Seisakusho Co., Ltd., known for its high technical capabilities. This groundbreaking product features hexagon socket bolts classified as strength category "14.9" with a thin film anti-corrosion coating called "Delta Protect." ◆◇Features◇◆ 1. High anti-corrosion performance through cathodic sacrificial protection 2. High permeability with no liquid pooling in the hexagon socket 3. Does not cause hydrogen embrittlement 4. Thin and uniform coating ◆◇Mechanical Properties◇◆ Material: KNDS4 (Kobe Steel, Ltd.) high-strength bolt steel Hardness: HRC44~50 Tensile Strength: 1,400N/mm² Elongation: 9% Dimension Standard: JISB1176 (excluding the neck radius) Thread Type: ISO5855-1 MJ thread (aerospace use) Thread Grade: Based on ISO5855-1 * After treatment, the maximum allowable tolerance for the thread is 4h. Surface Treatment: Delta Protect Base Coat: "KL100 x 2 coats" Top Coat: "VH300 x 1 coat" Please refer to the catalog for stock dimensions and details.
Price information
Prices may vary depending on quantity and size, so please feel free to contact us.
Delivery Time
※The delivery date may vary depending on the quantity, so please contact us for more details.
Applications/Examples of results
Improvement of maintenance cycles and for fixing molds, etc. Replacement of existing bolts in equipment as a measure against bolt breakage, etc. Compact design that achieves weight reduction and miniaturization.
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Company information
Yura Sangyo's Special Sales Department aims to contribute to the screw demand industry by ensuring that we can deliver "better screws" at "more reasonable prices" and "just in time" through our wholesale operations of screws and related products. We strive to excel in various business activities. 1. Abundant inventory: Over 50,000 items and more than 10,000 tons of stock. 2. Wide range of suppliers: Partnering with 250 domestic and international suppliers, including SPS Unbrako, which specializes in the aerospace sector. 3. Robust immediate delivery system: Quickly responding to customer needs from small lots. 4. Reliable quality control: Conducting thorough inspections and traceability from product arrival to delivery in a separate department from the wholesale division, while also handling engineering fasteners (bolts and nuts) based on customer advice and needs. The product lineup and business details are as follows. We primarily focus on made-to-order production and also handle some brand products from the wholesale division.