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
TWD189.00
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
TWD416.00
1 Bag of 10
Bag(s)
- Wedge Lock 13mm 19.5mm Unalloyed Steel - - -
RS Stock No. 172-0868
BrandRS PRO
TWD316.00
1 Bag of 40
Bag(s)
- - 3.9mm 9.62mm TPE - - 5.8mm
RS Stock No. 428-650
BrandRS PRO
TWD180.00
1 Bag of 100
Bag(s)
M4 Crinkle 4.36mm 7.99mm Stainless Steel A2 304 Plain 0.28mm
RS Stock No. 195-0715
Mfr. Part No.A112264
BrandAmphenol
TWD91.00
Each (In a Pack of 2)
units
- - 43.2mm - Stainless Steel - - 1.57mm
RS Stock No. 213-350
Mfr. Part No.VG-3
BrandRichco
TWD353.00
1 Bag of 40
Bag(s)
4mm - 4mm 9.7mm Neoprene - Plain 5.9mm
RS Stock No. 276-881
BrandRS PRO
TWD217.00
1 Bag of 250
Bag(s)
M6 External Tooth 6.4mm 11mm Steel - Bright Zinc Plated 0.7mm
RS Stock No. 187-0591
BrandRS PRO
TWD144.00
1 Bag of 100
Bag(s)
M5 Internal Tooth 5.3mm 10mm Stainless Steel A2 304 Plain 0.6mm
RS Stock No. 187-0557
BrandRS PRO
TWD118.00
1 Bag of 100
Bag(s)
M3 Internal Tooth 3.2mm 6mm Stainless Steel A2 304 Plain 0.4mm
RS Stock No. 526-574
BrandRS PRO
TWD132.00
1 Bag of 250
Bag(s)
M3 Internal Tooth 3.2mm 6mm Steel - Bright Zinc Plated 0.4mm
RS Stock No. 289-736
BrandRS PRO
TWD195.00
1 Bag of 100
Bag(s)
4BA Crinkle 4.36mm 7.99mm Copper - Plain 0.28mm
RS Stock No. 914-3364
Mfr. Part No.WLB10
BrandHeico
TWD635.00
1 Bag of 25
Bag(s)
M10 Wedge Lock 10.7mm 21mm Carbon Steel - Zinc 2.7mm
RS Stock No. 914-3415
Mfr. Part No.WLRS12SS
BrandHeico
TWD700.00
1 Bag of 5
Bag(s)
M12 Ring Lock 13mm 19.5mm Stainless Steel A4 316 - 2.5mm
RS Stock No. 530-135
BrandRS PRO
TWD213.00
1 Bag of 100
Bag(s)
M10 Internal Tooth 10.5mm 18mm Steel - Bright Zinc Plated 0.9mm
RS Stock No. 796-1747
Mfr. Part No.P045/211
TWD2,115.00
Each
units
- - - - Nitrile Rubber - - -
RS Stock No. 428-773
BrandRS PRO
TWD456.00
1 Bag of 25
Bag(s)
1/2in Crinkle - - Stainless Steel A2 304 Plain -
RS Stock No. 819-9820
Mfr. Part No.HLS-10
BrandHeico
TWD1,093.00
1 Bag of 50
Bag(s)
- Wedge Lock 10.7mm 16.6mm Unalloyed Steel - - -
RS Stock No. 289-679
BrandRS PRO
TWD191.00
1 Bag of 100
Bag(s)
M4 Crinkle 4.36mm 7.99mm Copper - Plain 0.28mm
RS Stock No. 167-4685
Mfr. Part No.H-37-2
BrandBourns
TWD3.40
Each (In a Box of 1000)
units
- - - - - - - -
RS Stock No. 428-622
BrandRS PRO
TWD89.00
1 Bag of 100
Bag(s)
M2.5 Crinkle 2.75mm 5.71mm Stainless Steel A2 304 Plain 0.16mm