The DIN 127B Spring Lock Washer, also known as a split lock washer, plays a crucial role in preventing nuts and bolts from loosening due to vibrations or external forces. Crafted from spring steel, it features a tapered shape and is hardened.
Product Data
Nominal Diameter
Φ2
Φ2.2
Φ2.5
Φ3
Φ3.5
Φ4
Φ5
Φ6
Φ7
Φ8
d
min
2.1
2.3
2.6
3.1
3.6
4.1
5.1
6.1
7.1
8.1
max
2.4
2.6
2.9
3.4
3.9
4.4
5.4
6.5
7.5
8.5
n
Nominal Size
0.9
1
1
1.3
1.3
1.5
1.8
2.5
2.5
3
max
1
1.1
1.1
1.4
1.4
1.6
1.9
2.65
2.65
3.15
min
0.8
0.9
0.9
1.2
1.2
1.4
1.7
2.35
2.35
2.85
h
Nominal Size
0.5
0.6
0.6
0.8
0.8
0.9
1.2
1.6
1.6
2
max
0.6
0.7
0.7
0.9
0.9
1
1.3
1.7
1.7
2.1
min
0.4
0.5
0.5
0.7
0.7
0.8
1.1
1.5
1.5
1.9
H
min
1
1.2
1.2
1.6
1.6
1.8
2.4
3.2
3.2
4
max
1.2
1.4
1.4
1.9
1.9
2.1
2.8
3.8
3.8
4.7
Applications
Building Insulation: Primarily used in the installation of thermal insulation systems in residential, commercial, and industrial buildings.
External Wall Insulation: Often used in External Thermal Insulation Composite Systems (ETICS) to fix insulation boards to external walls.
Roof Insulation: Suitable for securing insulation materials on roofs to enhance energy efficiency and thermal performance.
Floor Insulation: Utilized in floor insulation systems to prevent heat loss through the flooring and improve overall energy efficiency.
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