SUS screws for medical devices: 'Loosening prevention screws' that do not loosen or seize.

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last updated：Apr 04, 2024

アートスクリュー

It is also active in medical devices and manufacturing lines. Just tightening the screw normally prevents loosening, and it won't seize even with stainless steel products!

Motion Tight is a "looseness prevention bolt" that solves the problem of bolt and screw loosening. * It does not experience seizing even with high-friction materials like SUS and titanium alloys. No special installation or work is required; simply tighten the screw normally to prevent loosening and seizing of stainless steel screws. It has a proven track record with SUS screws and is widely used in medical devices and manufacturing lines! 【Features of Motion Tight】 ■ No seizing (prevents adhesion and sticking) → Works with SUS and titanium alloys ■ Strong loosening prevention power with the bolt alone ■ Fatigue strength 1.2 times greater ■ Same workability as regular screws, easily screws in ■ Stable axial force even without lubricating oil ■ Does not seize even with stainless steel screws ■ Compatible with sizes M3 to M16 ■ Achieves weight reduction and cost reduction through bolt downsizing * For more details, please view the materials from [PDF Download] or feel free to [Contact Us].

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【Patent Numbers】 ■Patent No. 4806103 ■Patent No. 4878407 【Evaluation Tests】 ■NAS Vibration Test →Passed a vibration test with a total of 30,000 rotations over 17 minutes. ■Yunker Vibration Test →Comparison data with standard products available on the official website. ■Fatigue Test: JISB1081 →Approximately 20% improvement. ■Load Distribution Ratio (%) 　　　　　　　Standard Bolt: Motion Tight →Thread No. 1　　　　32.9：　　　　　26.4 →Thread No. 2　　　　19.7：　　　　　19.6 →Thread No. 3　　　　14.1：　　　　　15.6 →Thread No. 4　　　　11.5：　　　　　13.4 →Thread No. 5　　　　10.4：　　　　　12.2 →Thread No. 6　　　　11.4：　　　　　12.8 →　Total　　　　　 100.0：　　　　　100.0 *Motion Tight has a more averaged load distribution ratio compared to standard products, resulting in higher fatigue strength and reduced likelihood of breakage. ■Torque and Axial Force Test →Variability in axial force is about half that of standard products.