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Lock Washers

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Lock washers are used for creating tight assemblies with ordinary fasteners. Raptor Supplies offers a wide range of lock washers from brands like Unistrut, Vulcan-Hart,... Read More

APPROVED VENDOR -

Steel External Tooth, Closed Perimeter Lock Washer

APPROVED VENDOR M37420.030.0001A
APPROVED VENDOR M37420.040.0001B
APPROVED VENDOR M37420.051.0001C
APPROVED VENDOR M37420.060.0001D
APPROVED VENDOR M37420.082.0001E
APPROVED VENDOR M37420.100.0001F
APPROVED VENDOR M37420.160.0001G
StyleModelFits Bolt SizesInside Dia.Outside Dia.ThicknessPrice (inc. GST)
AM37420.030.0001M33.2mm6mm0.4mm SGD 8.43
BM37420.040.0001M44.3mm8mm0.5 mm SGD 8.87
CM37420.051.0001M5.15.1mm9mm0.5 mm SGD 8.87
DM37420.060.0001M66.4mm11mm0.7mm SGD 8.63
EM37420.082.0001M8.28.2mm14mm0.8 mm SGD 18.16
FM37420.100.0001M1010.5mm18mm0.9mm SGD 8.38
GM37420.160.0001M1617mm26mm1.2mm SGD 31.02
APPROVED VENDOR -

Carbon Steel Internal Tooth, Open Perimeter Lock Washer

APPROVED VENDOR M37320.030.0001A
StyleModelFits Bolt SizesInside Dia.Outside Dia.ThicknessPrice (inc. GST)
AM37320.030.0001M33.2mm6mm0.4 to 0.8mm SGD 7.02
AM37320.040.0001M44.3mm8mm0.5 to 1mm SGD 6.14
AM37320.050.0001M55.3mm10mm0.6 to 1.2mm SGD 8.34
AM37320.060.0001M66.4mm11mm0.7 to 1.4mm SGD 7.86
AM37320.080.0001M88.4mm15mm0.8 to 1.6mm SGD 15.20
AM37320.100.0001M1010.5mm18mm0.9 to 1.8mm SGD 22.12
APPROVED VENDOR -

Spring Steel Internal Tooth Lock Washer

APPROVED VENDOR 6FY19A
StyleModelFits Bolt SizesInside Dia.Outside Dia.ThicknessPrice (inc. GST)
A6FY19M22.2mm4.5"0.3 to 0.6mm SGD 10.27
A6FY21M2.52.7mm5.5"0.4 to 0.8mm SGD 10.83
A6FY23M2.62.8mm5.5"0.4 to 0.8mm SGD 9.11
A6FY26M3.53.7mm7mm0.5 to 1mm SGD 7.12
A6FY41M1415mm24mm1 to 2mm SGD 64.03
A6FY43M1617mm26mm1.2 to 2.4mm SGD 70.94
A6FY45M1819mm30mm1.4 to 2.8mm SGD 56.13
A6FY47M2021mm33mm1.4 to 2.8mm SGD 69.84
APPROVED VENDOR -

A2 Stainless (Comparable to 18-8 Stainless Steel) External Tooth, Closed Perimeter Lock Washer

APPROVED VENDOR M51460.100.0001A
StyleModelFits Bolt SizesInside Dia.Outside Dia.ThicknessPrice (inc. GST)
AM51460.100.0001M1010.5mm18mm0.9 to 2.7mm SGD 6.79
AM51460.160.0001M1617mm26mm1.2 to 3.6mm SGD 4.16
APPROVED VENDOR -

SAE 1050-1065 Spring Steel Standard Split Lock Washer

APPROVED VENDOR LWIS-100-100PA
StyleModelFits Bolt SizesInside Dia.Outside Dia.ThicknessThickness TolerancePrice (inc. GST)
ALWIS-100-100P#100.200"0.334"0.047"0.047 to 0.062" SGD 2.49
ALWIS0250-100P1/4"0.260"0.487"0.062"0.062 to 0.109" SGD 2.73
ALWIS0370-100P3/8"0.385"0.68"0.094"0.094 to 0.141" SGD 6.60
APPROVED VENDOR -

Spring Steel Standard Split Lock Washer

APPROVED VENDOR 6FB41A
APPROVED VENDOR 6FB73B
StyleModelFinishFits Bolt SizesInside Dia.Outside Dia.ThicknessPrice (inc. GST)
A6FB41Furnace BlackM2.52.6mm5.1mm0.6 mm SGD 5.35
A6FB39Furnace BlackM22.1mm4.4mm0.5 mm SGD 5.31
A6FB43Furnace BlackM2.62.7mm5.2mm0.6 mm SGD 5.33
B6FB73ZincM2.52.6mm5.1mm0.6 mm SGD 6.74
APPROVED VENDOR -

Carbon Steel Internal Tooth, Type A Lock Washer

APPROVED VENDOR U37480.008.0001A
APPROVED VENDOR U37480.011.0001B
APPROVED VENDOR U37480.013.0001C
APPROVED VENDOR U37480.016.0001D
APPROVED VENDOR U37480.019.0001E
APPROVED VENDOR U37480.021.0001F
APPROVED VENDOR U37480.025.0001G
APPROVED VENDOR U37480.031.0001H
StyleModelFits Bolt SizesInside Dia.Outside Dia.ThicknessPrice (inc. GST)
AU37480.008.0001#20.095"0.2"0.016" SGD 2.17
BU37480.011.0001#40.123"0.27"0.018" SGD 1.12
CU37480.013.0001#60.150"0.295"0.022" SGD 1.43
DU37480.016.0001#80.176"0.34"0.023" SGD 1.43
EU37480.019.0001#100.204"0.381"0.024" SGD 1.65
FU37480.021.0001#120.231"0.41"0.027" SGD 2.94
GU37480.025.00011/4"0.267"0.478"0.028" SGD 8.75
HU37480.031.00015/16"0.332"0.61"0.034" SGD 4.63
APPROVED VENDOR -

Carbon Steel Internal/External Tooth, Type A Lock Washer

APPROVED VENDOR U37590.011.0001A
APPROVED VENDOR U37590.013.0001B
APPROVED VENDOR U37590.016.0001C
APPROVED VENDOR U37590.019.0001D
APPROVED VENDOR U37590.025.0001E
APPROVED VENDOR U37590.031.0001F
StyleModelFits Bolt SizesInside Dia.Outside Dia.ThicknessPrice (inc. GST)
AU37590.011.0001#40.123"0.475"0.021" SGD 26.60
BU37590.013.0001#60.150"0.51"0.028" SGD 17.63
CU37590.016.0001#80.176"0.61"0.034" SGD 20.76
DU37590.019.0001#100.204"0.61"0.034" SGD 30.97
EU37590.025.00011/4"0.267"0.76"0.04" SGD 56.77
FU37590.031.00015/16"0.332"0.9"0.04" SGD 73.50
APPROVED VENDOR -

Carbon Steel External Tooth, Type A Lock Washer

APPROVED VENDOR U37420.011.0001A
APPROVED VENDOR U37420.013.0001B
APPROVED VENDOR U37420.016.0001C
APPROVED VENDOR U37420.019.0001D
APPROVED VENDOR U37420.021.0001E
APPROVED VENDOR U37420.025.0001F
APPROVED VENDOR U37420.031.0001G
StyleModelFits Bolt SizesInside Dia.Outside Dia.ThicknessPrice (inc. GST)
AU37420.011.0001#40.123"0.26"0.018" SGD 1.51
BU37420.013.0001#60.150"0.32"0.022" SGD 1.38
CU37420.016.0001#80.176"0.381"0.023" SGD 2.37
DU37420.019.0001#100.204"0.41"0.024" SGD 2.30
EU37420.021.0001#120.231"0.475"0.027" SGD 10.58
FU37420.025.00011/4"0.267"0.51"0.028" SGD 10.70
GU37420.031.00015/16"0.332"0.61"0.034" SGD 4.02
APPROVED VENDOR -

Carbon Steel External Tooth, Closed Perimeter Lock Washer

APPROVED VENDOR M37480.030.0001A
APPROVED VENDOR M37420.050.0001B
APPROVED VENDOR M37480.050.0001C
APPROVED VENDOR M37480.060.0001D
APPROVED VENDOR M37420.080.0001E
APPROVED VENDOR M37480.080.0001F
APPROVED VENDOR M37420.120.0001G
APPROVED VENDOR M37420.200.0001H
StyleModelFits Bolt SizesInside Dia.Outside Dia.ThicknessPrice (inc. GST)
AM37480.030.0001M33.2mm6mm0.4mm SGD 4.30
AM37480.040.0001M44.3mm8mm0.5 mm SGD 7.00
BM37420.050.0001M55.3mm10mm0.6 mm SGD 8.87
CM37480.050.0001M55.3mm10mm0.6 mm SGD 10.87
DM37480.060.0001M66.4mm11mm0.7mm SGD 5.76
EM37420.080.0001M88.4mm15mm0.8 mm SGD 14.67
FM37480.080.0001M88.4mm15mm0.8 mm SGD 15.60
GM37420.120.0001M1213mm20.5mm1 mm SGD 17.59
HM37420.200.0001M2051mm33mm1.4mm SGD 29.53
AM37420.240.0001M2425mm38mm1.5mm SGD 34.24
APPROVED VENDOR -

Steel Internal Tooth Lock Washer

APPROVED VENDOR 6DZC6A
StyleModelFits Bolt SizesInside Dia.Outside Dia.ThicknessThickness TolerancePrice (inc. GST)
A6DZC6#40.123"0.27"0.018"-0.006" SGD 4.64
A6DZC7#60.150"0.295"0.022"-0.006" SGD 6.07
A6DZC8#80.176"0.34"0.023"-0.006" SGD 9.46
A6DZC9#100.204"0.381"0.024"-0.006" SGD 9.34
A6DZD01/4"0.267"0.478"0.028"-0.005" SGD 12.18
APPROVED VENDOR -

A4 Stainless Steel Hi Collar Split Lock Washer

APPROVED VENDOR M55390.050.0001A
APPROVED VENDOR M55390.060.0001B
APPROVED VENDOR M55390.080.0001C
StyleModelFits Bolt SizesPrice (inc. GST)
AM55390.050.0001M5 SGD 6.41
BM55390.060.0001M6 SGD 6.64
CM55390.080.0001M8 SGD 5.71
AM55390.100.0001M10 SGD 13.67
APPROVED VENDOR -

Steel Heavy Spring Lock Washer

APPROVED VENDOR U37180.112.0001A
APPROVED VENDOR U37183.112.0001B
StyleModelFinishPrice (inc. GST)
AU37180.112.0001Plain SGD 45.44
BU37183.112.0001Zinc SGD 63.73
MIDWEST ACORN NUT -

Lock Washers

MIDWEST ACORN NUT MPB1000A
MIDWEST ACORN NUT MPB1002B
MIDWEST ACORN NUT MPB1001C
StyleModelFits Bolt SizesInside Dia.Outside Dia.SizeThicknessPrice (inc. GST)
AMPB10001/4"0.260"0.487"1/4"0.062" SGD 68.85
BMPB10023/8"0.385"0.68"3/8"0.094" SGD 72.68
CMPB10015/16"0.322"0.583"5/16"0.078" SGD 72.68
APPROVED VENDOR -

A2 Stainless Steel External Toothed, Open Perimeter Lock Washer

APPROVED VENDOR M51456.080.0001A
APPROVED VENDOR M51456.100.0001B
APPROVED VENDOR M51456.120.0001C
APPROVED VENDOR M51456.140.0001D
StyleModelFits Bolt SizesInside Dia.Outside Dia.ThicknessPrice (inc. GST)
AM51456.080.0001M88.4mm15mm0.8 mm SGD 7.53
BM51456.100.0001M1010.5mm18mm0.9mm SGD 8.43
CM51456.120.0001M1213mm20.5mm1 mm SGD 3.53
DM51456.140.0001M1415mm24mm1 mm SGD 5.25
ARMOR COAT -

Split Lock Washers

ARMOR COAT UST236050A
ARMOR COAT UST236046B
ARMOR COAT UST236052C
ARMOR COAT UST236048D
ARMOR COAT UST236051E
ARMOR COAT UST236047F
ARMOR COAT UST236049G
StyleModelFits Bolt SizesInside Dia.Outside Dia.SizeThicknessPrice (inc. GST)
AUST2360501/2"0.512"0.869"1/2"0.125" SGD 15.44
BUST2360461/4"0.260"0.487"1/4"0.062" SGD 9.67
CUST2360523/4"0.766"1.265"3/4"0.188" SGD 26.04
DUST2360483/8"0.385"0.68"3/8"0.094" SGD 16.18
EUST2360515/8"0.641"1.073"5/8"0.156" SGD 29.73
FUST2360475/16"0.322"0.583"5/16"0.078" SGD 5.54
GUST2360497/16"0.450"0.776"7/16"0.109" SGD 11.47
APPROVED VENDOR -

Steel Extra Duty Spring Lock Washer

APPROVED VENDOR U37170.037.0001A
APPROVED VENDOR U37171.037.0001B
StyleModelFinishPrice (inc. GST)
AU37170.037.0001Plain SGD 24.28
BU37171.037.0001Zinc SGD 22.63
FOREVERBOLT -

Split Lock Washers

FOREVERBOLT FB3LKW6P100A
FOREVERBOLT FBLKW6P100B
FOREVERBOLT FBLKW8P100C
FOREVERBOLT FB3LKW8P100D
FOREVERBOLT FB3LKW10P100E
FOREVERBOLT FBLKW10P100F
FOREVERBOLT FB3LKW1P5G
FOREVERBOLT FBLKW1P10H
FOREVERBOLT FB3LKW12P25I
FOREVERBOLT FBLKW12P50J
FOREVERBOLT FB3LKW14P100K
FOREVERBOLT FBLKW14P100L
FOREVERBOLT FB3LKW34P20M
FOREVERBOLT FBLKW34P25N
FOREVERBOLT FBLK38P100O
FOREVERBOLT FB3LKW38P50P
FOREVERBOLT FBLKW58P25Q
FOREVERBOLT FB3LKW58P25R
FOREVERBOLT FB3LKW516P50S
FOREVERBOLT FBLKW516P100T
FOREVERBOLT FB3LKW78P10U
FOREVERBOLT FBLKW78P10V
FOREVERBOLT FBLKW716P50W
FOREVERBOLT FB3LKW716P25X
FOREVERBOLT FB3LKWM3P100Y
StyleModelFits Bolt SizesInside Dia.MaterialOutside Dia.SizeThicknessThickness TolerancePrice (inc. GST)
AFB3LKW6P100#60.141"316 Stainless Steel0.25"-0.031"+/-0.005" SGD 73.71
BFBLKW6P100#60.141"18-8 Stainless Steel0.25"-0.031"+/-0.005" SGD 69.31
CFBLKW8P100#81.67"18-8 Stainless Steel0.293"-0.04"+/-0.005" SGD 70.37
DFB3LKW8P100#81.67"316 Stainless Steel0.293"-0.04"+/-0.005" SGD 72.44
EFB3LKW10P100#100.193"316 Stainless Steel0.334"-0.047"+/-0.005" SGD 73.95
FFBLKW10P100#100.193"18-8 Stainless Steel0.334"-0.047"+/-0.005" SGD 71.92
GFB3LKW1P51"1.003"316 Stainless Steel1.6521"0.25"+/-0.005" SGD 62.69
HFBLKW1P101"1.003"18-8 Stainless Steel1.6521"0.25"+/-0.005" SGD 88.43
IFB3LKW12P251/2"0.502"316 Stainless Steel0.869"1/2"0.125"+/-0.005" SGD 60.48
JFBLKW12P501/2"0.502"18-8 Stainless Steel0.869"1/2"0.125"+/-0.005" SGD 91.25
KFB3LKW14P1001/4"0.252"316 Stainless Steel0.487"1/4"0.062"+/-0.005" SGD 79.66
LFBLKW14P1001/4"0.252"18-8 Stainless Steel0.487"1/4"0.062"+/-0.005" SGD 78.10
MFB3LKW34P203/4"0.753"316 Stainless Steel1.2643/4"0.188"+/-0.005" SGD 85.64
NFBLKW34P253/4"0.753"18-8 Stainless Steel1.2643/4"0.188"+/-0.005" SGD 92.39
OFBLK38P1003/8"0.377"18-8 Stainless Steel0.68"3/8"0.094"+/-0.005" SGD 113.75
PFB3LKW38P503/8"0.377"316 Stainless Steel0.68"3/8"0.094"+/-0.005" SGD 69.27
QFBLKW58P255/8"0.628"18-8 Stainless Steel1.072"5/8"0.156"+/-0.005" SGD 66.04
RFB3LKW58P255/8"0.628"316 Stainless Steel1.072"5/8"0.156"+/-0.005" SGD 70.55
SFB3LKW516P505/16"0.314"316 Stainless Steel0.583"5/16"0.078"+/-0.005" SGD 62.58
TFBLKW516P1005/16"0.314"18-8 Stainless Steel0.583"5/16"0.078"+/-0.005" SGD 107.55
UFB3LKW78P107/8"0.878"316 Stainless Steel1.4557/8"0.219"+/-0.005" SGD 67.76
VFBLKW78P107/8"0.878"18-8 Stainless Steel1.4557/8"0.219"+/-0.005" SGD 66.19
WFBLKW716P507/16"0.44"18-8 Stainless Steel0.776"7/16"0.109"+/-0.005" SGD 68.28
XFB3LKW716P257/16"0.44"316 Stainless Steel0.776"7/16"0.109"+/-0.005" SGD 59.99
YFB3LKWM3P100M33.1 mm316 Stainless Steel6.2mm-0.8 mm+/-0.2mm SGD 71.39
See more
APPROVED VENDOR -

316 Stainless Steel Standard Spring Lock Washer

APPROVED VENDOR U55450.011.0001A
APPROVED VENDOR U55450.013.0001B
APPROVED VENDOR U55450.016.0001C
APPROVED VENDOR U55450.019.0001D
APPROVED VENDOR U55450.050.0001E
APPROVED VENDOR U55450.025.0001F
APPROVED VENDOR U55450.075.0001G
APPROVED VENDOR U55450.037.0001H
APPROVED VENDOR U55450.062.0001I
APPROVED VENDOR U55450.031.0001J
APPROVED VENDOR U55450.043.0001K
StyleModelFits Bolt SizesInside Dia.Outside Dia.ThicknessPrice (inc. GST)
AU55450.011.0001#40.114"0.209"0.025" SGD 6.12
BU55450.013.0001#60.141"0.25"0.031" SGD 5.81
CU55450.016.0001#80.167"0.293"0.04" SGD 7.09
DU55450.019.0001#100.193"0.334"0.047" SGD 8.19
EU55450.050.00011/2"0.502"0.869"0.125" SGD 14.26
FU55450.025.00011/4"0.252"0.487"0.062" SGD 4.56
GU55450.075.00013/4"0.753"1.265"0.188" SGD 7.57
HU55450.037.00013/8"0.377"0.68"0.094" SGD 15.39
IU55450.062.00015/8"0.628"1.073"0.156" SGD 7.76
JU55450.031.00015/16"0.314"0.583"0.078" SGD 10.71
KU55450.043.00017/16"0.440"0.77"0.109" SGD 11.63
VULCAN HART -

Lock Washers

VULCAN HART 00-850075A
VULCAN HART WL-006-17B
VULCAN HART WL-004-06C
VULCAN HART WL-003-44D
VULCAN HART WL-014-10E
VULCAN HART 00-857918-00008F
VULCAN HART WL-014-07G
StyleModelHeightItemLengthWidthPrice (inc. GST)
A00-850075-Lock Washer---
RFQ
A712327-Lock Washer---
RFQ
A00-730311-Lock Washer---
RFQ
A716614-Lock Washer---
RFQ
A00-854945-Lock Washer---
RFQ
A00-857919-00008-Lock Washer-- SGD 7.88
RFQ
A00-944147-00002-Washer-- SGD 2.75
RFQ
A718385-Lock Washer---
RFQ
BWL-006-170.01"Washer0.35"0.4"-
RFQ
AWL-007-190.05"Lock Washer0.4"0.5"-
RFQ
CWL-004-060.2"Lock Washer0.6"0.65"-
RFQ
DWL-003-440.15"Lock Washer0.5"0.5"-
RFQ
EWL-014-100.15"Lock Washer0.15"0.3"-
RFQ
AWL-004-030.45"Washer3.95"6.5"-
RFQ
F00-857918-000080.55"Lock Washer2.5"5.85" SGD 7.11
GWL-014-070.95"Lock Washer2.3"3.9"-
RFQ
APPROVED VENDOR -

A2 Stainless (Comparable to 18-8 Stainless Steel) Internal Tooth Lock Washer

APPROVED VENDOR 6FE83A
StyleModelFits Bolt SizesInside Dia.Outside Dia.ThicknessPrice (inc. GST)
A6FE83M2.52.7mm5.5"0.4 to 0.8mm SGD 10.01
A6FE85M2.62.8mm5.5"0.4 to 0.8mm SGD 10.53
A6FE89M3.53.7mm7mm0.5 to 1mm SGD 10.83
12...45

Lock Washers

Lock washers are used for creating tight assemblies with ordinary fasteners. Raptor Supplies offers a wide range of lock washers from brands like Unistrut, Vulcan-Hart, Midwest Acorn Nut, Fabory, Super-Strut, Metric Blue, Woodhead, Foreverbolt, Cooper B-Line, Disc-Lock and Armor Coat. These lock washers grab adjoining materials for preventing loosening due to vibration.

Features

  • Lock washers work in conjunction with threaded fasteners (like nuts) to prevent loosening.
  • Helical-shaped lock washers, spring lock washers & split lock washers get activated at the slightest pressure and offer a spring action.
  • Selected lock washers have serrations on their external grip surfaces (top & bottom, or just the top) for extra gripping power. This prevents loosening / shifting due to high vibration.
  • Some Belleville spring lock washers feature smaller outside diameters compared to standard spring lock washers for fitting under socket head cap screws.
  • Lock washers conform to standards like ASME (American Society of Mechanical Engineers), DIN (German Institute for Standardization), military specifications and NAS (National Aerospace Standards).
  • Most washers come in packs containing multiple pieces for easy replacement.

Disc-Lock Washer Bolts:

  • Disc-Lock washers use the wedge-locking system for preventing the loosening of bolts & maintaining joint integrity in high-stress, corrosive & vibration-sensitive applications.
  • Disc-Lock washers feature two pre-assembled washer-shaped pieces having inclined cams on one side and ridges on the other side. After installation, these two cam sides mate together and get placed between the nut & the joint material.
  • When the nut attempts to rotate loose upon vibration, the interlocking cams & the non-slip ridges of these Disc-Lock washers create a jamming effect & prevent loosening.
  • They have Delta-Protekt coating for high corrosion resistance.

Metric Blue Split Lock Washers:

  • These split lock washers have high collars for more holding surface.
  • They have a blue-coloured coating for easy metric identification.

Fabory Lock Washers:

  • These lock washers are made of spring steel, stainless spring steel, stainless steel, aluminium, bronze, phosphor bronze, silicon bronze or steel for use in diverse environments & operations.
  • They are available in helical spring, toothed, wedge, conical spring, contact, curved locking edge, curved spring & wave spring styles.

Frequently Asked Questions

How to install a lock washer?

  • Place the lock washer between the threaded fastener (like a nut) and the screw / bolt head.
  • Make sure that the lock washer press against the fastener & other adjacent surfaces and forms a tight connection. Press the fastener down to lock the grooves of a tooth lock washer with the grooves of the nut.
  • Use a wrench or ratchet to tighten the nut or threaded fastener.
  • Make sure that the teeth of the tooth lock washer are covered completely by the nut / fastener head, or that the split lock washer is slightly out of alignment to indicate tension on the threaded fastener. Users may loosen the nut / threaded fastener to adjust the washer if it is not operating correctly.

How to remove a lock washer?

  • After the operation is completed, the washer can be removed by simply removing the nut / threaded fastener that is holding the washer in place using a vise-grip or pipe wrench.
  • Use a flat screwdriver to pry the lock washer off. When removing a split washer, the screwdriver head should be placed inside the split or beneath the washer and pushed. When removing a washer having teeth, the screwdriver head should be placed under a tooth and pushed up, repeating the procedure with more teeth if required. For other lock washer types, the screwdriver head can be placed below the washer and pushed up. The washer may break during removal, depending on the amount of pressure being applied.
  • If the lock washer does not budge, use penetrating oil and repeat the previous step.
  • Some lock washers can be used multiple times easily. Other washers (split lock) can be used only 1 or 2 times. Users should not reuse a split lock washer or other damaged washers. Do not use old washers in high-stress joint applications.

What is the difference between lock washers and flat washers?

Flat washers are suitable for increasing the surface area and distributing the applied force when tightening the fastener. They can be used on the fastener's bolt & nut sides, or used as spacers where using a bolt may not be suitable.
Lock washers create tension during tightening to prevent the loosening of nuts. They are generally used on the fastener's nut side for applications involving vibrations.

Which type of lock washers has the highest vibration resistance?

Split Lock, Tooth Lock, Diamond-Coated Lock, Spring Lock and Wedge Lock type lock washers have vibration resistance in ascending or increasing order.

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