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. 276-875
BrandRS PRO
TWD196.00
1 Bag of 250
Bag(s)
M5 External Tooth 5.3mm 10mm Steel - Bright Zinc Plated 0.6mm
RS Stock No. 819-9824
Mfr. Part No.HLS-12
BrandHeico
TWD424.00
1 Bag of 10
Bag(s)
- Wedge Lock 13mm 19.5mm Unalloyed Steel - - -
RS Stock No. 819-9858
Mfr. Part No.HLS-16S
BrandHeico
TWD855.00
1 Bag of 5
Bag(s)
- Wedge Lock 17mm 25.4mm Stainless Steel A4 316 - -
RS Stock No. 819-9861
Mfr. Part No.HLSKIT
BrandHeico
TWD3,303.00
1 Kit
Kit(s)
- Wedge Lock 3.4 (HLS-3) mm, 4.4 (HLS-4) mm, 5.4 (HLS-5) mm, 6.5 (HLS-6) mm, 8.6 (HLS-8) mm, 10.7 (HLS-10) mm, 13 (HLS-12) mm, 17 (HLS-16) mm, 21.4 (HLS-20) mm 7 (HLS-3) mm, 7.6 (HLS-4) mm, 9 (HLS-5) mm, 10.8 (HLS-6) mm, 13.5 (HLS-8) mm, 16.6 (HLS-10) mm, 19.5 (HLS-12) mm, 25.4 (HLS-16) mm, 30.7 (HLS-20) mm Steel - - -
RS Stock No. 187-0541
BrandRS PRO
TWD121.00
1 Bag of 100
Bag(s)
M2.5 Internal Tooth 2.7mm 5.5mm Stainless Steel A2 304 Plain 0.4mm
RS Stock No. 530-141
BrandRS PRO
TWD307.00
1 Bag of 100
Bag(s)
M12 Internal Tooth 13mm 20.5mm Steel - Bright Zinc Plated 1mm
RS Stock No. 289-685
BrandRS PRO
TWD159.00
1 Bag of 50
Bag(s)
M5 Crinkle 5.36mm 9.09mm Copper - Plain 0.3mm
RS Stock No. 428-638
BrandRS PRO
TWD98.00
1 Bag of 100
Bag(s)
M3 Crinkle 3.26mm 6.29mm Stainless Steel A2 304 Plain 0.16mm
RS Stock No. 428-616
BrandRS PRO
TWD97.00
1 Bag of 100
Bag(s)
M2 Crinkle 2.25mm 4.51mm Stainless Steel A2 304 Plain 0.16mm
RS Stock No. 819-9818
Mfr. Part No.HLS-6
BrandHeico
TWD794.00
1 Bag of 50
Bag(s)
- Wedge Lock 6.5mm 10.8mm Unalloyed Steel - - -
RS Stock No. 187-0535
BrandRS PRO
TWD118.00
1 Bag of 100
Bag(s)
M2 Internal Tooth 2.2mm 4.5mm Stainless Steel A2 304 Plain 0.3mm
RS Stock No. 914-3351
Mfr. Part No.WLB06
BrandHeico
TWD811.00
1 Bag of 50
Bag(s)
M6 Wedge Lock 6.5mm 13.5mm Carbon Steel - Zinc 1.7mm
RS Stock No. 428-767
BrandRS PRO
TWD500.00
1 Bag of 25
Bag(s)
7/16in Crinkle - - Stainless Steel A2 304 Plain -
RS Stock No. 428-622
BrandRS PRO
TWD96.00
1 Bag of 100
Bag(s)
M2.5 Crinkle 2.75mm 5.71mm Stainless Steel A2 304 Plain 0.16mm
RS Stock No. 914-3349
Mfr. Part No.H-HLB-4
BrandHeico
TWD674.00
1 Bag of 50
Bag(s)
M4 Wedge Lock 4.4mm 9mm Carbon Steel - Zinc 1.7mm
RS Stock No. 665-7306
BrandRS PRO
TWD318.00
1 Bag of 100
Bag(s)
M6 Internal Tooth 6.4mm 11mm Stainless Steel A4 316 Plain 0.7mm
RS Stock No. 665-7315
BrandRS PRO
TWD295.00
1 Bag of 50
Bag(s)
M8 Internal Tooth 8.4mm 15mm Stainless Steel A4 316 Plain 0.8mm
RS Stock No. 289-691
BrandRS PRO
TWD250.00
1 Bag of 50
Bag(s)
M6 Crinkle 6.48mm 11.37mm Copper - Plain 0.4mm
RS Stock No. 428-666
BrandRS PRO
TWD141.00
1 Bag of 50
Bag(s)
M5 Crinkle 5.36mm 9.09mm Stainless Steel A2 304 Plain 0.3mm
RS Stock No. 914-3364
Mfr. Part No.WLB10
BrandHeico
TWD661.00
1 Bag of 25
Bag(s)
M10 Wedge Lock 10.7mm 21mm Carbon Steel - Zinc 2.7mm