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. 289-641
BrandRS PRO
HK$24.37
1 Bag of 100
Bag(s)
M2.5 Crinkle 2.75mm 5.71mm Copper - Plain 0.16mm
RS Stock No. 819-9818
Mfr. Part No.HLS-6
BrandHeico
HK$197.68
1 Bag of 50
Bag(s)
- Wedge Lock 6.5mm 10.8mm Unalloyed Steel - - -
RS Stock No. 914-3386
Mfr. Part No.WLRS08
BrandHeico
HK$341.15
1 Bag of 50
Bag(s)
M8 Ring Lock 8.6mm 13.5mm Steel - Zinc 2.5mm
RS Stock No. 187-0535
BrandRS PRO
HK$30.18
1 Bag of 100
Bag(s)
M2 Internal Tooth 2.2mm 4.5mm Stainless Steel A2 304 Plain 0.3mm
RS Stock No. 187-0642
BrandRS PRO
HK$150.92
1 Bag of 100
Bag(s)
M12 Internal Tooth 13mm 20.5mm Stainless Steel A2 304 Plain 1mm
RS Stock No. 914-3364
Mfr. Part No.WLB10
BrandHeico
HK$162.18
1 Bag of 25
Bag(s)
M10 Wedge Lock 10.7mm 21mm Carbon Steel - Zinc 2.7mm
RS Stock No. 914-3389
Mfr. Part No.WLRS10
BrandHeico
HK$184.41
1 Bag of 25
Bag(s)
M10 Ring Lock 10.7mm 16.6mm Steel - Zinc 2.5mm
RS Stock No. 914-3370
Mfr. Part No.WLB20
BrandHeico
HK$246.65
1 Bag of 10
Bag(s)
M20 Wedge Lock 21.4mm 39mm Carbon Steel - Zinc 3.7mm
RS Stock No. 276-831
BrandRS PRO
HK$34.83
1 Bag of 250
Bag(s)
M2.5 External Tooth 2.7mm 5.5mm Steel - Bright Zinc Plated 0.3mm
RS Stock No. 428-688
BrandRS PRO
HK$77.20
1 Bag of 50
Bag(s)
M8 Crinkle 8.48mm 14.87mm Stainless Steel A2 304 Plain 0.4mm
RS Stock No. 187-0658
BrandRS PRO
HK$165.43
1 Bag of 50
Bag(s)
M16 Internal Tooth 17mm 26mm Stainless Steel A2 304 Plain 1.2mm
RS Stock No. 172-0873
BrandRS PRO
HK$168.50
1 Bag of 40
Bag(s)
- - 4.85mm 14mm TPE - - 8.1mm
RS Stock No. 530-141
BrandRS PRO
HK$78.36
1 Bag of 100
Bag(s)
M12 Internal Tooth 13mm 20.5mm Steel - Bright Zinc Plated 1mm
RS Stock No. 195-0719
Mfr. Part No.A114021
BrandAmphenol
HK$23.165
Each (In a Pack of 2)
units
- - 38.4mm - Stainless Steel - - 1.57mm
RS Stock No. 737-7708
Mfr. Part No.H-37-2
BrandBourns
HK$0.907
Each (In a Pack of 10)
units
- - - - - - - -
RS Stock No. 665-7318
BrandRS PRO
HK$96.33
1 Bag of 50
Bag(s)
M10 Internal Tooth 10.5mm 18mm Stainless Steel A4 316 Plain 0.9mm
RS Stock No. 914-3373
Mfr. Part No.H-HLRS-5
BrandHeico
HK$282.11
1 Bag of 50
Bag(s)
M5 Ring Lock 5.4mm 9mm Steel - Zinc 1.5mm
RS Stock No. 914-3406
Mfr. Part No.WLRS10SS
BrandHeico
HK$215.63
1 Bag of 10
Bag(s)
M10 Ring Lock 10.7mm 16.6mm Stainless Steel A4 316 - 2.5mm
RS Stock No. 289-657
BrandRS PRO
HK$25.54
1 Bag of 100
Bag(s)
M3 Crinkle 3.26mm 6.29mm Copper - Plain 0.16mm
RS Stock No. 819-9820
Mfr. Part No.HLS-10
BrandHeico
HK$271.43
1 Bag of 50
Bag(s)
- Wedge Lock 10.7mm 16.6mm Unalloyed Steel - - -
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