因弗内斯，伊利诺伊州- 硬锁螺母的设计旨在承受与市场上任何其他紧固件相比，振动的松动更长。硬锁非常适合关键机械应用，可确保安全连接，以增强安全性和降低的维护和检查成本。
新的美国市场,主要选择engineers in Japan, the United Kingdom and Europe, the Hard Lock Nut incorporates a unique wedge principle to create a powerful self-locking force. A small curve in the sliding part of the convex top of the lower nut acts as the wedge. When the concave upper nut is tightened, the effect produced is exactly the same as that produced by a hammer driving in a wedge. Because the Hard Lock Nut maintains the initial axial force, or tightening strength, it not only prevents screws from coming loose and bolts from breaking, but also dramatically cuts personnel and maintenance expenses, as well as costs related to claims that can seriously threaten a company.
Hard Lock Nuts have been proven effective in a variety of tests. Passing the American Vibration and Impact Test NAS 3350/NAS 3354 (National Aerospace Standard) by a substantial margin, these nuts outlasted nylon nuts, nuts with tongued washers, double nuts and many other specialty lock nuts by up to three times. Hard Lock Nuts also retained their grip longer than competitor versions in a series of Junker Horizontal Screw Looseness Tests. These studies, as well as Tensile Strength and Torque / Axial Force Tests confirm that Hard Lock Nuts maintain a stable tightened condition, regardless of the type of impact to which they are exposed. Even when loosened by 45 degrees, more than half of the tightening torque remained. What’s more, when a vibration test was performed in this condition, no loosening occurred, indicating that a self-locking effect is present even if the nut is not fully tightened.
硬锁螺母非常适合用于飞机，汽车和施工应用。它们提供各种材料，并具有各种表面处理，以满足不同应用的需求。形状包括标准，半薄，薄和圆形，并提供自定义形状。也可以使用半薄和薄的硬锁螺母。
两件式的硬锁螺母易于安装，只需要使用扳手。由于凹形和凸之间没有磨损，因此可以重复使用螺母。
Hard Lock Industry Co.，Ltd。是ISO 9001认证公司。A-LEX International Consulting在美国代表了硬锁坚果。硬锁螺母由紧固件Plus Inc.库存和分发。
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提交以下：固定 +连接•锁•闩锁•销钉，，，，Screws • nuts • bolts
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