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. 914-3351
Mfr. Part No.WLB06
BrandHeico
HK$198.85
1 Bag of 50
Bag(s)
M6 Wedge Lock 6.5mm 13.5mm Carbon Steel - Zinc 1.7mm
RS Stock No. 796-1747
Mfr. Part No.P045/211
HK$538.02
Each
units
- - - - Nitrile Rubber - - -
RS Stock No. 819-9814
Mfr. Part No.HLS-5
BrandHeico
HK$184.53
1 Bag of 50
Bag(s)
- Wedge Lock 5.4mm 9mm Unalloyed Steel - - -
RS Stock No. 665-7309
BrandRS PRO
HK$58.05
1 Bag of 100
Bag(s)
M4 Internal Tooth 4.3mm 8mm Stainless Steel A4 316 Plain 0.5mm
RS Stock No. 914-3399
Mfr. Part No.H-HLRS-5S
BrandHeico
HK$157.87
1 Bag of 10
Bag(s)
M5 Ring Lock 5.4mm 9mm Stainless Steel A4 316 - 1.5mm
RS Stock No. 914-3402
Mfr. Part No.WLRS08SS
BrandHeico
HK$185.25
1 Bag of 10
Bag(s)
M8 Ring Lock 8.6mm 13.5mm Stainless Steel A4 316 - 2.5mm
RS Stock No. 428-767
BrandRS PRO
HK$122.07
1 Bag of 25
Bag(s)
7/16in Crinkle - - Stainless Steel A2 304 Plain -
RS Stock No. 276-904
BrandRS PRO
HK$56.55
1 Bag of 100
Bag(s)
M10 External Tooth 10.5mm 18mm Steel - Bright Zinc Plated 0.9mm
RS Stock No. 914-3412
Mfr. Part No.H-HLRS-20S
BrandHeico
HK$437.81
1 Bag of 5
Bag(s)
M20 Ring Lock 21.7mm 30.7mm Stainless Steel A4 316 - 3.5mm
RS Stock No. 428-666
BrandRS PRO
HK$35.13
1 Bag of 50
Bag(s)
M5 Crinkle 5.36mm 9.09mm Stainless Steel A2 304 Plain 0.3mm
RS Stock No. 276-910
BrandRS PRO
HK$84.17
1 Bag of 100
Bag(s)
M12 External Tooth 13mm 20.5mm Steel - Bright Zinc Plated 1mm
RS Stock No. 819-9836
Mfr. Part No.HLS-20
BrandHeico
HK$221.36
1 Bag of 10
Bag(s)
- Wedge Lock 21.4mm 30.7mm Unalloyed Steel - - -
RS Stock No. 276-897
BrandRS PRO
HK$48.17
1 Bag of 100
Bag(s)
M8 External Tooth 8.4mm 15mm Steel - Bright Zinc Plated 0.8mm
RS Stock No. 195-0715
Mfr. Part No.A112264
BrandAmphenol
HK$23.165
Each (In a Pack of 2)
units
- - 43.2mm - Stainless Steel - - 1.57mm
RS Stock No. 526-619
BrandRS PRO
HK$46.44
1 Bag of 250
Bag(s)
M6 Internal Tooth 6.4mm 11mm Steel - Bright Zinc Plated 0.7mm
RS Stock No. 914-3415
Mfr. Part No.WLRS12SS
BrandHeico
HK$178.12
1 Bag of 5
Bag(s)
M12 Ring Lock 13mm 19.5mm Stainless Steel A4 316 - 2.5mm
RS Stock No. 819-9855
Mfr. Part No.HLS-12S
BrandHeico
HK$125.75
1 Bag of 5
Bag(s)
- Wedge Lock 13mm 19.5mm Stainless Steel A4 316 - -
RS Stock No. 796-1744
Mfr. Part No.P045/210
HK$536.96
Each
units
- - - - Nitrile Rubber - - -
RS Stock No. 526-574
BrandRS PRO
HK$34.83
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
HK$206.01
1 Bag of 50
Bag(s)
- Wedge Lock 8.6mm 13.5mm Unalloyed Steel - - -
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