Curve Spring Washer

Sem Screw

Introduction

DIN 128 A

A curved spring washer, also known as a curved lock washer or a wave washer, is a type of washer that is designed to provide a secure hold and reduce friction between two surfaces. It is typically made of a flexible material, such as spring steel or plastic, and has a curved or waved shape. The curved shape allows the washer to compress slightly when it is tightened down, creating a spring-like action that helps to maintain a constant pressure on the fastener and the material being fastened. This helps to prevent loosening due to vibration or torque and can also reduce wear on the fastener and the surrounding components. Curved spring washers are often used in applications where a secure hold is necessary, such as in the assembly of engines, gearboxes, and other mechanical components. They can also be used in electrical and electronic applications to help prevent the loosening of terminal connections.


Sem Screw

Spring steel mechanical zinc plated blue

M R Di Min. D2 Max. H Min.
M2 2,1 4,4 0,7 0,4
M2,3 2, 4,9 1 0,5
M2,5 2,6 5,1 0,9 0,5
M3 3,1 6,2 1,1 0,6
M3,5 3,6 6,7 1,1 0,6
M4 4,1 7,6 1,2 0,7
M5 5,1 9,2 1,5 0,9
M6 6,1 11,8 2 1,2
M8 8,1 14,8 2,45 1,5
M10 10,2 18,1 2,85 1,7
M12 12,2 21,1 3,35 1,95
M14 14,2 24,1 3,9 225
M16 16,2 27, 4,5 2,65
M18 18,2 29,4 4,5 2,65
M20 20,2 33,6 5,1 3
M22 22,5 35,9 5,1 3
M24 24,5 40 6,5 3,8
M27 27,5 43 6,5 3,8
M30 30,5 48,2 9,5 5,8
M33 33,5 552 10,4 5,8
M36 36,5 582 10,3 5,8
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