Lock Washers

Lock washers are used for keeping nuts and bolts coming loose. They come in various models. Each lock washer is made for a specific application. Some lock washers come in a ring shape the others can be star-shaped with an outer ring of teeth.


What is the use of the Lock Washer?


The lock washer prevents nuts and bolts from turning, slipping and coming loose because of vibration and twist. The basic functionality of lock washer is to hold nut and bolt in place.


What are the types of Lock Washers?


You can choose from helical also known as a split washer, external-tooth also known as star washer, pyramid-type or dome-type lock washer.


The helical lock washer is in shape of the ring with uneven ends. The edge of the ring grabs onto fastener material to keep it from moving.


External-tooth lock washer has teeth located on the outside of the ring and it is most suitable for large fasteners heads.


Pyramid-type lock washers are required for any jobs that need high-tightening torques.


Dome-type lock washers are recommended for use with thin and soft materials


What materials are Lock Washers made from?


You can choose from:



  • aluminium

  • stainless steel

  • K-Monel

  • bronze

  • zinc

  • phosphor bronze alloy

  • carbon steel

Suitable for a wide field of applications:


  • Mechanical Engineering

  • Wind Energy Technology

  • Automotive Industry

  • Agriculture and Forestry

  • Railway

  • Marine

  • Household appliances such as air handlers and clothes washers

...
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Description Price For Screw/Bolt Size Washer Type Inside Diameter Outside Diameter Material Stainless Steel Type Finish Thickness
RS stock no. 428-622
BrandRS PRO
R 47.53
1 Bag of 100
Bag(s)
M2.5 Crinkle 2.75mm 5.71mm Stainless Steel A2 304 Plain 0.16mm
RS stock no. 187-0664
BrandRS PRO
R 511.16
1 Bag of 50
Bag(s)
M20 Internal Tooth 21mm 33mm Stainless Steel A2 304 Plain 1.4mm
RS stock no. 187-0658
BrandRS PRO
R 333.93
1 Bag of 50
Bag(s)
M16 Internal Tooth 17mm 26mm Stainless Steel A2 304 Plain 1.2mm
RS stock no. 819-9858
Mfr. Part No.HLS-16S
BrandHeico
R 417.71
1 Bag of 5
Bag(s)
- Wedge Lock 17mm 25.4mm Stainless Steel A4 316 - -
RS stock no. 819-9811
Mfr. Part No.HLS-4
BrandHeico
R 348.79
1 Bag of 50
Bag(s)
- Wedge Lock 4.4mm 7.6mm Unalloyed Steel - - -
RS stock no. 665-7315
BrandRS PRO
R 151.46
1 Bag of 50
Bag(s)
M8 Internal Tooth 8.4mm 15mm Stainless Steel A4 316 Plain 0.8mm
RS stock no. 526-574
BrandRS PRO
R 48.15
1 Bag of 250
Bag(s)
M3 Internal Tooth 3.2mm 6mm Steel - Bright Zinc Plated 0.4mm
RS stock no. 819-9827
Mfr. Part No.HLS-8
BrandHeico
R 419.61
1 Bag of 50
Bag(s)
- Wedge Lock 8.6mm 13.5mm Unalloyed Steel - - -
RS stock no. 530-135
BrandRS PRO
R 126.24
1 Bag of 100
Bag(s)
M10 Internal Tooth 10.5mm 18mm Steel - Bright Zinc Plated 0.9mm
RS stock no. 187-0636
BrandRS PRO
R 221.50
1 Bag of 100
Bag(s)
M10 Internal Tooth 10.5mm 18mm Stainless Steel A2 304 Plain 0.9mm
RS stock no. 276-847
BrandRS PRO
R 80.24
1 Bag of 250
Bag(s)
M3 External Tooth 3.2mm 6mm Steel - Bright Zinc Plated 0.4mm
RS stock no. 276-904
BrandRS PRO
R 122.98
1 Bag of 100
Bag(s)
M10 External Tooth 10.5mm 18mm Steel - Bright Zinc Plated 0.9mm
RS stock no. 819-9836
Mfr. Part No.HLS-20
BrandHeico
R 445.97
1 Bag of 10
Bag(s)
- Wedge Lock 21.4mm 30.7mm Unalloyed Steel - - -
RS stock no. 428-672
BrandRS PRO
R 78.64
1 Bag of 50
Bag(s)
M6 Crinkle 6.48mm 11.37mm Stainless Steel A2 304 Plain 0.4mm
RS stock no. 819-9855
Mfr. Part No.HLS-12S
BrandHeico
R 244.44
1 Bag of 5
Bag(s)
- Wedge Lock 13mm 19.5mm Stainless Steel A4 316 - -
RS stock no. 428-650
BrandRS PRO
R 92.85
1 Bag of 100
Bag(s)
M4 Crinkle 4.36mm 7.99mm Stainless Steel A2 304 Plain 0.28mm
RS stock no. 428-688
BrandRS PRO
R 151.98
1 Bag of 50
Bag(s)
M8 Crinkle 8.48mm 14.87mm Stainless Steel A2 304 Plain 0.4mm
RS stock no. 526-619
BrandRS PRO
R 100.36
1 Bag of 250
Bag(s)
M6 Internal Tooth 6.4mm 11mm Steel - Bright Zinc Plated 0.7mm
RS stock no. 914-3395
Mfr. Part No.H-HLRS-20
BrandHeico
R 567.10
1 Bag of 10
Bag(s)
M20 Ring Lock 21.7mm 30.7mm Steel - Zinc 3.5mm
RS stock no. 665-7312
BrandRS PRO
R 324.81
1 Bag of 50
Bag(s)
M12 Internal Tooth 13mm 20.5mm Stainless Steel A4 316 Plain 1.08mm