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. 187-0658
BrandRS PRO
TWD648.00
1 Bag of 50
Bag(s)
M16 Internal Tooth 17mm 26mm Stainless Steel A2 304 Plain 1.2mm
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. 530-135
BrandRS PRO
TWD225.00
1 Bag of 100
Bag(s)
M10 Internal Tooth 10.5mm 18mm Steel - Bright Zinc Plated 0.9mm
RS Stock No. 187-0664
BrandRS PRO
TWD955.00
1 Bag of 50
Bag(s)
M20 Internal Tooth 21mm 33mm Stainless Steel A2 304 Plain 1.4mm
RS Stock No. 914-3406
Mfr. Part No.WLRS10SS
BrandHeico
TWD862.00
1 Bag of 10
Bag(s)
M10 Ring Lock 10.7mm 16.6mm Stainless Steel A4 316 - 2.5mm
RS Stock No. 914-3389
Mfr. Part No.WLRS10
BrandHeico
TWD741.00
1 Bag of 25
Bag(s)
M10 Ring Lock 10.7mm 16.6mm Steel - Zinc 2.5mm
RS Stock No. 819-9827
Mfr. Part No.HLS-8
BrandHeico
TWD844.00
1 Bag of 50
Bag(s)
- Wedge Lock 8.6mm 13.5mm Unalloyed Steel - - -
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. 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. 428-672
BrandRS PRO
TWD157.00
1 Bag of 50
Bag(s)
M6 Crinkle 6.48mm 11.37mm Stainless Steel A2 304 Plain 0.4mm
RS Stock No. 914-3409
Mfr. Part No.WLRS06SS
BrandHeico
TWD670.00
1 Bag of 10
Bag(s)
M6 Ring Lock 6.5mm 10.8mm Stainless Steel A4 316 - 1.5mm
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
RS Stock No. 914-3392
Mfr. Part No.WLRS16
BrandHeico
TWD742.00
1 Bag of 10
Bag(s)
M16 Ring Lock 17mm 25.4mm Steel - Zinc 3.5mm
RS Stock No. 195-0715
Mfr. Part No.A112264
TWD76.00
Each (In a Pack of 2)
units
- - 43.2mm - Stainless Steel - - 1.57mm
RS Stock No. 526-596
BrandRS PRO
TWD155.00
1 Bag of 250
Bag(s)
M4 Internal Tooth 4.3mm 8mm Steel - Bright Zinc Plated 0.5mm
RS Stock No. 187-0614
BrandRS PRO
TWD287.00
1 Bag of 100
Bag(s)
M8 Internal Tooth 8.4mm 15mm Stainless Steel A2 304 Plain 0.8mm
RS Stock No. 187-0591
BrandRS PRO
TWD148.00
1 Bag of 100
Bag(s)
M5 Internal Tooth 5.3mm 10mm Stainless Steel A2 304 Plain 0.6mm
RS Stock No. 737-7708
Mfr. Part No.H-37-2
BrandBourns
TWD4.50
Each (In a Pack of 10)
units
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