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It is characterized by a round convex head with a part of the sphere cut out. There are names such as truss screw, truss screw, cross-recessed truss machine screw, and truss head screw. When comparing the same nominal diameter, the head is lower and the head diameter is larger than that of a pan head machine screw, and the screw head is exposed on the surface after tightening. The wide seating area reduces contact pressure and prevents the seating surface from sinking or plastic deformation during fastening, making it effective for fastening soft materials such as lumber. In addition, it is possible to tighten with high torque and increase the axial force, which can be expected to prevent loosening due to vibration and impact. Can also be used without a washer in larger mounting holes or oblong holes. Some have a fall prevention function. It is highly safe in that it can reduce accidents caused by getting caught, and is also used in welfare equipment. It also has a high design quality, so it is often used for architectural parts and furniture.
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See all 10 models in listPart Number
Truss machine screwProduct
Machine screw/micro screwHandling Company
Bossard Co., Ltd.Categories
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