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Split Washer - Solution to Loosening Prevention

Split washers, also known as split lock washers or spring lock washers, feature a single cut that extending from the outside diameter to the center hole. The two ends are misaligned and exert the washer to create a special helical shape - like a donut. And it is this misalignment allows for a positive locking section - creating more friction for better resistance to rotation & loosening.

Nine zinc plated split washers in different diameters and thickness.
Split washers in a variety of diameters and thicknesses are available.

Split washers are extensively used where loosening from vibration and corrosion are primary concerns. Meanwhile, they match well with socket head cap screws and ideal for areas with installation space limitations.

Feature:

  • Made from quality spring steel that strongly resists to compression.
  • Allow for greater bolt tensioning for a tighter joint.
  • Thicker than normal flat washers to sustain overall locking effectiveness.
  • Zinc plated for added corrosion resistance and longer lifespan.
  • Prevent loosening by taking up compensates caused by slight friction or vibration.
  • Excellent resistance against both high and low temperature.
  • Durable structure with high hardness.
Two plans about the dimension of a split washer.

Details:

  • Material: spring steel or stainless steel 304 or 316 upon request.
  • Finish: plain, zinc plating (clear, yellow or black) or oxidation treatment.
  • Style: right handed.
  • Diameter: M2 to M48 or 1/4" to 3".
  • Standard: GB, ASME, SAE or customize standards.

Specification:

Specification of split washers
Washer size Inside diameter (mm) Outside diameter (mm) Section thickness (mm) Section width (mm)
M2 2.1-2.4 4.4 0.5 0.9
M2.5 2.6-2.9 5.1 0.6 1
M3 3.1-3.4 6.2 0.8 1.3
M4 4.1-4.4 7.6 0.9 1.5
M5 5.1-5.4 9.2 1.2 1.8
M6 6.1-6.5 11.8 1.6 2.5
M8 8.1-8.5 14.8 2 3
M10 10.2-10.7 18.1 2.2 3.5
M12 12.2-12.7 21.1 2.5 4
M16 16.2-17.0 27.4 3.5 5
M20 20.2-21.2 33.6 4 6
M24 24.5-25.5 40 5 7
M30 30.5-31.7 48.2 6 8
M36 36.5-37.7 58.2 6 10
M42 42.5-43.7 68.2 7 12
M48 49-50.5 75 7 12

Inquiry for Our Product

SHUNFENG HARDWARE PRODUCTS CO., LIMITED.
E-mail: sales@bolts-nuts.com

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