Flat Washers

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Flat washers are used with threaded fasteners for distributing the load uniformly and reducing frictional losses during screw tightening. These units are used for providing spacing and...Read more

COOPER B-LINE -

Supt Steel Flat Washers

StyleModelFits Bolt SizesSquare WidthLengthFinishWasher TypeMaterial
ASUPT WASHER0.4" x 0.78"2.34"2"Zinc PlatedSupt WasherSteel
RFQ
ASUPT WASHER BLE1 1/2"--Powder CoatSupt WasherSteel
RFQ
StyleModelFits Bolt SizesThicknessInside Dia.FinishWasher TypeMaterial
AAB241-5/8SS3165/8"1/4"9/16"GalvanizedLocated WasherStainless Steel
RFQ
AAB241-5/16SS5/16"1/8"-Silver GalvanizedLocated WasherStainless Steel
RFQ
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Plain Grade 18-8 Stainless Steel USS Flat Washers

StyleModelFits Bolt SizesInside Dia.Outside Dia.ThicknessTensile StrengthWasher TypeMaterialGradePrice (ex. VAT)Pkg. Qty.
AU51420.150.00011 1/2"1 5/8"3 1/2"0.156"Not ApplicableUSS WasherStainless SteelGrade 18-8€35.525
BU51420.112.00011 1/8"1 1/4"2 3/4"0.156"Not ApplicableUSS WasherStainless SteelGrade 18-8€17.815
CU51420.100.00011"1.063"2 1/2"0.156"Not ApplicableUSS WasherStainless SteelGrade 18-8€19.555
DU51420.050.00011/2"0.563"1 3/8"0.109"Not ApplicableUSS WasherStainless SteelGrade 18-8€16.9125
EU51420.025.00011/4"0.313"47/64"0.065"Not ApplicableUSS WasherStainless SteelGrade 18-8€5.4950
FU51420.075.00013/4"0.813"2"0.156"Not ApplicableUSS WasherStainless SteelGrade 18-8€39.6720
GU51420.037.00013/8"7/16"1"0.083"Not ApplicableUSS WasherStainless SteelGrade 18-8€13.1250
HU51420.062.00015/8"11/16"1 3/4"0.134"Not ApplicableUSS WasherStainless SteelGrade 18-8€31.2225
IU51420.031.00015/16"3/8"7/8"0.083"-USS WasherStainless SteelGrade 18-8€7.7450
JU51420.043.00017/16"0.05"2 3/4"0.083"-USS WasherStainless SteelGrade 18-8€16.4925
KU51420.056.00019/16"5/8"1 15/32"0.109"Not ApplicableUSS WasherStainless SteelGrade 18-8€19.9625
APPROVED VENDOR -

Plain Steel Standard Flat Washers

StyleModelFits Bolt SizesInside Dia.Outside Dia.ThicknessThickness ToleranceHardnessWasher TypeMaterialPrice (ex. VAT)Pkg. Qty.
AFW2S01600-050P1M1617 mm30 mm3 mm-0.3 mm to +0.3 mmBrinell 200Standard WasherSteel€18.4150
BFW2S01800-025P2M1819 mm34 mm3 mm-0.3 mm to +0.3 mmBrinell 200Standard WasherSteel€16.8025
CFW2S02000-025P2M2021 mm37 mm3 mm-0.3 mm to +0.3 mmBrinell 200Standard WasherSteel€20.8825
DFW2S02400-025P2M2425 mm44 mm4 mm-0.3 mm to +0.3 mmBrinell 200Standard WasherSteel€36.8825
APPROVED VENDOR -

Zinc Plated Grade 5 Steel Standard Flat Washers

StyleModelFits Bolt SizesInside Dia.Outside Dia.ThicknessThickness ToleranceHardnessWasher TypeMaterialPrice (ex. VAT)Pkg. Qty.
AM38130.016.0001M1.61.7 mm4"0.3 mm-0.05 mm to +0.05 mmVickers 140Standard WasherSteel€12.87100
AM38130.020.0001M22.2 mm5 mm0.3 mm-0.05 mm to +0.05 mmVickers 140Standard WasherSteel€3.83100
AM38130.025.0001M2.52.7 mm6 mm0.5 mm-0.05 mm to +0.05 mmVickers 140Standard WasherSteel€3.87100
AM38130.030.0001M33.2 mm7 mm0.5 mm-0.05 mm to +0.05 mmVickers 140Standard WasherSteel€2.81100
BM38130.035.0001M3.53.7 mm8 mm0.5 mm--Standard WasherSteel€2.35100
APPROVED VENDOR -

Plain Grade 18-8 Stainless Steel Narrow Flat Washers

StyleModelOutside Dia.Fits Bolt SizesInside Dia.ThicknessThickness ToleranceHardnessColorTensile StrengthPrice (ex. VAT)Pkg. Qty.
AWASB#0N81/8"#00.068"0.022" to 0.028"-0.014" to +0.005"Rockwell B80Silver90000 psi€14.4710
BWASB#0R83/16"#00.068"0.022" to 0.028"-0.014" to +0.005"Rockwell B80Silver90000 psi€14.4710
APPROVED VENDOR -

Zinc Plated Grade 200HV Steel Standard Flat Washers

StyleModelFits Bolt SizesInside Dia.Outside Dia.ThicknessTemp. RangeWasher TypeMaterialGradePrice (ex. VAT)Pkg. Qty.
AM38093.060.0001M66.4 mm12 mm1.6 mm-58°F to +302°FStandard WasherSteelGrade 200HV€3.31100
BM38093.080.0001M88.4 mm16 mm1.6 mm-58°F to +302°FStandard WasherSteelGrade 200HV€5.23100
CM38093.100.0001M1010.5 mm20 mm2 mm-58°F to +302°FStandard WasherSteelGrade 200HV€7.70100
DM38093.120.0001M1213 mm24 mm2.5 mm-58°F to +302°FStandard WasherSteelGrade 200HV€7.0950
EM38093.140.0001M1415 mm28 mm2.5 mm-58°F to +302°FStandard WasherSteelGrade 200HV€9.0950
FM38093.160.0001M1617 mm30 mm3 mm-58°F to +302°FStandard WasherSteelGrade 200HV€8.7925
GM38093.180.0001M1819 mm34 mm3 mm-58°F to +302°FStandard WasherSteelGrade 200HV€8.7525
HM38093.200.0001M2021 mm37 mm3 mm-58°F to +302°FStandard WasherSteelGrade 200HV€5.1710
IM38093.240.0001M2425 mm44 mm4 mm-58°F to +302°FStandard WasherSteelGrade 200HV€6.6310
JM38093.270.0001M2728 mm50 mm4 mm-58°F to +302°FStandard WasherSteelGrade 200HV€4.875
KM38093.300.0001M3031 mm56 mm4 mm-58°F to +302°FStandard WasherSteelGrade 200HV€5.505
LM38093.330.0001M3334 mm60 mm5 mm-58°F to +302°FStandard WasherSteelGrade 200HV€3.682
MM38093.360.0001M3637 mm66 mm5 mm-58°F to +302°FStandard WasherSteelGrade 200HV€4.442
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Hot Dipped Galvanized Steel Oversized Flat Washers

StyleModelFits Bolt SizesInside Dia.Outside Dia.ThicknessColorTemp. RangeWasher TypeMaterialPrice (ex. VAT)Pkg. Qty.
AB38157.150.00011 1/2"1 5/8"3 1/2"0.156"Silver-58°F to +302°FOversized WasherSteel€179.2755
BU38157.125.00011 1/4"1 3/8"3"0.156"--58°F to +302°FOversized WasherSteel€9.325
CU38157.112.00011 1/8"1 1/4"2 3/4"0.156"--58°F to +302°FOversized WasherSteel€10.385
DB38157.100.00011"1"2 1/2"0.156"Silver-58°F to +302°FOversized WasherSteel€155.42110
EB38157.050.00011/2"0.563"1 3/8"0.109"Silver-58°F to +302°FOversized WasherSteel€155.86550
FU38157.025.00011/4"0.313"69/94"0.065"--58°F to +302°FOversized WasherSteel€7.51100
GB38157.075.00013/4"0.813"2"0.156"Silver-58°F to +302°FOversized WasherSteel€443.96500
HU38157.075.00013/4"0.813"2"0.156"--58°F to +302°FOversized WasherSteel€17.5620
IB38157.037.00013/8"7/16"1"0.083"Silver-58°F to +302°FOversized WasherSteel€180.731500
JU38157.043.00017/16"1/2"1 1/4"0.083"--58°F to +302°FOversized WasherSteel€13.1950
APPROVED VENDOR -

Zinc Plated Grade 2 Steel Standard Flat Washers

StyleModelFits Bolt SizesInside Dia.Outside Dia.ThicknessThickness ToleranceHardnessTemp. RangePrice (ex. VAT)Pkg. Qty.
AM38130.026.0001M2.62.8 mm7 mm0.5 mm---58°F to +302°F€1.39100
BM38130.040.0001M44.3 mm9 mm0.8 mm0.028" to 0.035"Vickers 140-€2.38100
BM38130.050.0001M55.3 mm10 mm1 mm0.035" to 0.043"Vickers 140-€2.55100
BM38130.060.0001M66.4 mm12 mm1.6 mm0.055" to 0.071"Vickers 140-€4.49100
BM38130.070.0001M77.4 mm14 mm1.6 mm0.055" to 0.071"Vickers 140-€4.42100
BM38130.080.0001M88.4 mm16 mm1.6 mm0.055" to 0.071"Vickers 140-€5.82100
BM38130.100.0001M1010.5 mm20 mm2 mm0.071" to 0.087"Vickers 140-€9.48100
CM38130.110.0001M1112 mm24 mm2.5 mm---58°F to +302°F€7.7450
DM38130.120.0001M1213 mm24 mm2.5 mm---€9.2050
BM38130.140.0001M1415 mm28 mm2.5 mm0.091" to 0.106"Brinell 200-€9.0950
EM38130.160.0001M1617 mm30 mm3 mm---€5.6525
FM38130.180.0001M1819 mm34 mm3 mm0.106" to 0.13"Brinell 200-€8.6625
GM38130.200.0001M2021 mm37 mm3 mm---€3.7210
HM38130.220.0001M2223 mm39 mm3 mm---58°F to +302°F€4.4410
IM38130.240.0001M2425 mm44 mm4 mm---€6.5310
JM38130.270.0001M2728 mm50 mm4 mm---58°F to +302°F€4.945
KM38130.300.0001M3031 mm56 mm4 mm---€5.665
LM38130.330.0001M3334 mm60 mm5 mm---58°F to +302°F€3.352
MM38130.360.0001M3637 mm66 mm5 mm---€3.782
NM38130.390.0001M3940 mm72 mm6 mm---€5.562
OM38130.420.0001M4243 mm78 mm7 mm---€8.182
PM38130.450.0001M4546 mm85 mm7 mm---58°F to +302°F€8.242
QM38130.480.0001M4850 mm92 mm8 mm---58°F to +302°F€11.372
RM38130.520.0001M5254 mm98 mm8 mm---58°F to +302°F€6.601
SM38130.560.0001M5658 mm105 mm9 mm---58°F to +302°F€8.001
APPROVED VENDOR -

Yellow Zinc Plated Grade 2 Steel Standard Flat Washers

StyleModelFits Bolt SizesInside Dia.Outside Dia.ThicknessThickness ToleranceHardnessTemp. RangePrice (ex. VAT)Pkg. Qty.
AM38080.060.0001M66.4 mm12 mm1.6 mm0.055" to 0.071"Brinell 200-€2.19100
BM38080.080.0001M88.4 mm16 mm1.6 mm0.055" to 0.071"Brinell 200-€5.40100
CM38080.100.0001M1010.5 mm20 mm2 mm0.071" to 0.087"Brinell 200-€7.93100
DM38080.120.0001M1213 mm24 mm2.5 mm---€7.0150
EM38080.140.0001M1415 mm28 mm2.5 mm0.091" to 0.106"Brinell 200-€9.2150
FM38080.160.0001M1617 mm30 mm3 mm---€5.6525
GM38080.220.0001M2223 mm39 mm3 mm---58°F to +302°F€3.9310
HM38080.240.0001M2425 mm44 mm4 mm---€6.8610
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Black Oxide Steel SAE Flat Washers

StyleModelFits Bolt SizesInside Dia.Outside Dia.ThicknessThickness ToleranceHardnessColorTemp. RangePrice (ex. VAT)Pkg. Qty.
AP45060-PG#20.078"3/16"0.02"-0.004" to +0.005"---€35.71100
A6DYZ3#20.078"3/16"0.156"-0.006" to +0.006"Rockwell B40--€0.61100
AP45070-PG#41/8"5/16"0.02"-0.004" to +0.005"---€57.86100
A6DYZ4#41/8"1/4"0.156"-0.006" to +0.006"Rockwell B40--€0.69100
A6DYZ5#51/8"5/16"1/32"-0.008" to +0.008"Rockwell B40--€5.56100
AP45080-PG#51/8"5/16"0.032"-0.007" to +0.008"---€58.70100
BU38402.013.0001#65/32"3/8"3/64"-0.015" to +0.015"Rockwell B40--€2.14100
BU38402.016.0001#83/16"7/16"3/64"-0.015" to +0.015"Rockwell B40--€3.76100
BU38402.019.0001#107/32"1/2"3/64"-0.015" to +0.015"Rockwell B40--€3.85100
A6DYZ9#121/4"9/16"1/16"-0.015" to +0.015"Rockwell B40--€4.28100
C4VNY31 1/2"1.563"3"5/32"-0.027" to +0.027"Rockwell C38--€218.88200
DU38200.150.00011 1/2"1 5/8"3"0.156"----€8.915
EB38200.125.00011 1/4"1 3/8"2 1/2"0.156"--Silver-58°F to +302°F€143.24130
FU38200.125.00011 1/4"1 3/8"2 1/2"0.156"----€6.165
GU38200.112.00011 1/8"1 1/4"2 1/4"0.134"----€3.885
A6DZC21 3/8"1.406"2 3/4"0.156"0.305" to 0.36"Rockwell C38--€47.4825
HU38200.137.00011 3/8"1 1/2"2 3/4"0.156"----€6.605
IU38200.100.00011"1.063"2"0.134"----€3.455
A6DZA91"1.109"2"0.14"0.185" to 0.208"Rockwell C38--€47.44100
JU38200.050.00011/2"17/32"1 1/16"0.095"----€7.4450
A6DZA41/2"17/32"1 1/16"3/32"-0.024" to +0.024"Rockwell C38--€11.00100
KB38200.050.00011/2"17/32"1 1/16"0.095"--Silver-58°F to +302°F€165.211150
L4RXX91/2"17/32"1 1/16"3/32"-0.025" to +0.025"Rockwell C38--€237.052750
MU38200.025.00011/4"9/32"5/8"0.065"0.051" to 0.08"---€5.89100
A6DZA01/4"9/32"5/8"1/16"-0.015" to +0.015"Rockwell C38--€4.00100
APPROVED VENDOR -

Black Oxide Steel Thick Flat Washers

StyleModelFits Bolt SizesInside Dia.Outside Dia.ThicknessThickness ToleranceHardnessWasher TypeMaterialPrice (ex. VAT)
AZ8962H1"1 1/16"2"1/4"-0.03" to +0.03"Rockwell C40Thick Flat WasherSteel€12.76
BZ8950H1/4"5/16"2"1/4"-0.03" to +0.03"Rockwell C40Thick Flat WasherSteel€3.13
CZ8958H3/4"0.812"2"1/4"-0.03" to +0.03"Rockwell C40Thick Flat WasherSteel€11.44
DZ8952H3/8"7/16"2"1/4"-0.03" to +0.03"Rockwell C40Thick Flat WasherSteel€8.49
EZ8956H5/8"11/16"2"1/4"-0.03" to +0.03"Rockwell C40Thick Flat WasherSteel€11.22
FZ8960H7/8"15/16"2"1/4"-0.03" to +0.03"Rockwell C40Thick Flat WasherSteel€7.91
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Plain Grade 316 Stainless Steel USS Flat Washers

StyleModelFits Bolt SizesInside Dia.Outside Dia.ThicknessThickness ToleranceHardnessColorTensile StrengthPrice (ex. VAT)Pkg. Qty.
AU55420.125.00011 1/4"1 3/8"3"0.156"-0.029" to +0.027"Rockwell B80SilverNot Applicable€28.355
BU55420.112.00011 1/8"1 1/4"2 3/4"0.156"-0.029" to +0.027"Rockwell B80SilverNot Applicable€25.665
CU55420.100.00011"1.063"2 1/2"0.156"---Not Applicable€18.995
DU55420.050.00011/2"0.563"1 3/8"0.109"---Not Applicable€31.2225
EU55420.025.00011/4"0.313"3/4"0.065"---Not Applicable€10.2850
FU55420.075.00013/4"0.813"2"0.156"--SilverNot Applicable€67.4720
GU55420.037.00013/8"7/16"1"0.083"---Not Applicable€22.4750
HU55420.062.00015/8"5/8"1 3/4"0.134"---Not Applicable€49.9525
IU55420.031.00015/16"3/8"7/8"0.083"---Not Applicable€18.2250
JU55420.087.00017/8"15/16"2 1/4"0.156"---Not Applicable€21.155
KB55420.087.00017/8"15/16"2 1/4"0.156"--SilverNot Applicable€678.33135
LU55420.043.00017/16"1/2"1 1/4"0.083"---Not Applicable€18.7725
APPROVED VENDOR -

Hot Dipped Galvanized Steel USS Flat Washers

StyleModelFits Bolt SizesInside Dia.Outside Dia.ThicknessThickness ToleranceHardnessColorPrice (ex. VAT)Pkg. Qty.
AU38157.150.00011 1/2"1 5/8"3 1/2"0.156"---€19.765
BU38157.100.00011"1"2 1/2"0.156"---€8.985
CU38157.050.00011/2"0.563"1 3/8"0.109"0.086" to 0.132"-Silver€17.1550
D6DYW93/4"0.813"2"0.156"-0.027" to +0.027"Rockwell C38-€36.1245
EU38157.037.00013/8"7/16"1"5/64"0.064" to 0.104"-Silver€14.35100
FU38157.062.00015/8"11/16"1 3/4"0.14"0.108" to 0.16"-Silver€15.8925
GU38157.031.00015/16"3/8"7/8"1/16"0.064" to 0.104"-Silver€11.81100
HU38157.087.00017/8"7/8"2 1/4"0.156"---€14.0110
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Zinc Plated Steel SAE Flat Washers

StyleModelFits Bolt SizesInside Dia.Outside Dia.ThicknessThickness ToleranceHardnessColorTemp. RangePrice (ex. VAT)Pkg. Qty.
AU38400.011.0001#20.094"1/4"0.016"----€3.66100
B6DYX2#40.094"1/4"1/64"-0.005" to +0.005"Rockwell B40--€21.961650
CU38400.011.0003#41/8"5/16"1/32"----€2.26100
DU38400.013.0001#65/32"3/8"3/64"0.036" to 0.065"Rockwell B40--€2.71100
B6DYX3#65/32"3/8"3/64"-0.015" to +0.015"Rockwell B40--€11.40790
EU38400.016.0001#83/16"7/16"3/64"0.036" to 0.065"-Silver-€3.80100
B6DYX5#83/16"7/16"3/64"-0.015" to +0.015"Rockwell C38--€9.09585
FU38400.016.0005#83/16"3/8"0.047"----€27.30100
GU38400.019.0004#107/32"1/2"3/64"0.036" to 0.065"-Silver-€3.87100
HU38205.150.00011 1/2"1 5/8"3"0.156"----€9.485
IU38400.150.00011 1/2"1 5/8"3"0.156"----€5.005
JB38205.125.00011 1/4"1 3/8"2 1/2"0.156"--Silver-58°F to +302°F€143.31130
KU38205.125.00011 1/4"1 3/8"2 1/2"0.156"----€5.775
LU38400.125.00011 1/4"1 3/8"2 1/2"0.156"----€7.095
MU38205.112.00011 1/8"1 1/4"2 1/4"0.134"----€5.195
NU38205.137.00011 3/8"1 1/2"2 3/4"0.156"----€7.235
OU38400.137.00011 3/8"1 1/2"2 3/4"0.156"----€8.505
PB38205.100.00011"1.063"2"0.134"--Silver-58°F to +302°F€176.87265
QU38205.100.00011"1.063"2"0.134"----€3.975
RB38205.050.00011/2"17/32"1 1/16"3/32"--Silver-€151.131150
SU38205.050.00011/2"17/32"1 1/16"3/32"0.074" to 0.121"-Silver-€8.3250
TU38205.025.00011/4"9/32"5/8"1/16"0.051" to 0.08"-Silver-€5.29100
UB38205.025.00011/4"9/32"5/8"1/16"--Silver-€181.174400
VU38400.075.00013/4"0.813"1 15/32"0.14"0.108" to 0.16"-Silver-€8.1820
WU38400.075.00023/4"0.781"1 1/2"0.156"----€12.0020
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Zinc Plated Steel Standard Flat Washers

StyleModelFits Bolt SizesInside Dia.Outside Dia.ThicknessThickness ToleranceHardnessColorTemp. RangePrice (ex. VAT)Pkg. Qty.
AWASB#0RZ#00.068"3/16"0.028"-0.014" to +0.005"Rockwell B55--€9.0750
BU38400.006.0001#00.063"1/8"1/32"----€2.32100
CU38400.006.0003#00.063"1/4"1/32"----€38.85100
DWASB#0NZ#00.068"1/8"0.028"-0.014" to +0.005"Rockwell B55--€7.8350
EWASB#0WZ#00.068"1/4"0.028"-0.014" to +0.005"Rockwell B55--€9.5750
FU38400.006.0002#00.063"3/16"1/32"----€33.57100
GWASB80RZ#11 1/16"2 1/2"0.146" to 0.174"-0.02" to +0.005"Rockwell B55Silver-€26.192
HU38400.007.0002#10.094"7/32"1/32"----€3.78100
IWASB80WZ#11 1/16"3"0.146" to 0.174"-0.02" to +0.005"Rockwell B55Silver-€27.802
JWASB#1NZ#10.084"5/32"0.028"-0.014" to +0.005"Rockwell B55--€6.1850
KWASB#1RZ#10.084"7/32"0.028"-0.014" to +0.005"Rockwell B55--€7.4850
LWASB#1WZ#10.084"9/32"0.028"-0.014" to +0.005"Rockwell B55--€7.9250
MWASB80NZ#11 1/16"1 3/4"0.09" to 0.112"-0.014" to +0.005"Rockwell B55Silver-€7.792
NU38400.007.0001#10.094"5/32"1/32"----€72.82100
OU38400.007.0003#10.094"9/32"1/32"----€4.12100
PU38400.008.0002#20.094"1/4"1/32"----€4.53100
QU38400.008.0003#20.094"11/32"1/32"----€6.12100
RWASB#2NZ#20.094"3/16"0.028"-0.014" to +0.005"Rockwell B55--€9.7350
SWASB#2RZ#20.094"1/4"0.028"-0.014" to +0.005"Rockwell B55--€9.4250
TU38400.008.0001#20.094"3/16"1/32"----€2.03100
UU38400.011.0004#41/8"3/8"0.047"----€3.00100
VU38400.011.0002#41/8"1/4"0.047"----€3.68100
WWASB#4RZ#41/8"3/8"0.045"-0.014" to +0.005"Rockwell B55--€9.5750
XU38400.011.0005#41/8"7/16"0.047"----€3.06100
YWASB#4NZ#41/8"1/4"0.036"-0.014" to +0.005"Rockwell B55--€9.7450
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Zinc Plated Steel Oversized Flat Washers

StyleModelFits Bolt SizesInside Dia.Outside Dia.ThicknessThickness ToleranceHardnessColorTemp. RangePrice (ex. VAT)Pkg. Qty.
AZ0630-0.203"3/4"0.051"-0.004" to +0.005"Rockwell B55Silver-€11.88100
BU38160.013.0002#65/32"9/16"0.047"----€6.40100
CZ0629#63/16"7/8"0.051"-0.004" to +0.005"Rockwell B55Silver-€16.17100
DZ0449#65/32"9/16"0.047"-0.004" to +0.005"Rockwell B55--€3.2550
EZ0448#60.141"5/8"1/32"-0.004" to +0.005"Rockwell B55--€4.0050
FZ0480#65/32"3/4"0.051"-0.004" to +0.005"Rockwell B55--€3.9510
GZ0481#83/16"1"0.051"-0.004" to +0.005"Rockwell B55--€4.6910
HZ0450#80.172"3/4"0.047"-0.004" to +0.005"Rockwell B55--€13.5050
IU38160.016.0001#83/16"3/4"0.051"0.034" to 0.58"---€5.29100
JZ0631#80.203"1"0.051"-0.004" to +0.005"Rockwell B55Silver-€15.89100
KZ0451#83/16"3/4"0.047"-0.004" to +0.005"Rockwell B55--€5.6450
LZ9678#107/32"1"1/8"-0.004" to +0.005"Rockwell B55--€18.155
M1JLP7#107/32"3/4"0.075"+0.029"Rockwell B40--€41.65100
NZ0454#100.203"1"0.047"-0.004" to +0.005"Rockwell B55--€6.5550
OZ0627#100.203"3/4"0.051"-0.004" to +0.005"Rockwell B55Silver-€13.87100
PZ0482#107/32"1 1/2"0.051"-0.004" to +0.005"Rockwell B55--€5.9910
QZ0453#100.203"11/16"0.047"-0.004" to +0.004"Rockwell B55--€13.9950
RZ9679#107/32"1"1/4"-0.02" to +0.005"Rockwell B55--€21.175
SZ0628#107/32"3/4"0.051"-0.004" to +0.005"Rockwell B55Silver-€14.56100
TU38160.019.0009#107/32"1"1/4"----€46.17100
UU38160.019.0008#107/32"1"1/8"----€39.06100
VU38160.019.0002#103/16"11/16"0.047"----€7.92100
WZ0452#100.203"1/2"0.047"-0.004" to +0.005"Rockwell B55--€7.6050
XZ0456#107/32"1 1/4"0.047"-0.004" to +0.005"Rockwell B55--€8.0150
YU38130.150.00011 1/2"1 5/8"3 1/2"0.156"----€16.025
APPROVED VENDOR -

Zinc Plated Grade 2 Steel Oversized Flat Washers

StyleModelFits Bolt SizesInside Dia.Outside Dia.ThicknessThickness ToleranceHardnessTemp. RangePrice (ex. VAT)Pkg. Qty.
AU38210.012.0062#61/8"5/8"1/32"-Rockwell 140HV-€4.21100
BU38210.050.02001/2"17/32"2"0.051"+0.047" to +0.08"--€17.5650
CU38210.050.03001/2"17/32"3"0.063"-Rockwell 140HV-€39.1650
BU38210.050.01501/2"17/32"1 1/2"0.051"+0.047" to +0.08"--€7.6350
DU38210.025.02001/4"9/32"2"0.047"---€95.83100
BU38210.025.01251/4"9/32"1 1/4"0.051"+0.047" to +0.08"Rockwell 140HV-€16.09100
BU38210.025.01001/4"9/32"1"0.051"+0.047" to +0.08"Rockwell 140HV-€12.12100
EU38210.025.00871/4"9/32"7/8"0.047"-Rockwell 140HV-€7.39100
FU38210.025.02501/4"9/32"2 1/2"0.063"-Rockwell 140HV-€69.70100
BU38210.025.01501/4"9/32"1 1/2"0.051"+0.047" to +0.08"Rockwell 140HV-€23.76100
GU38210.025.03001/4"9/32"3"0.063"-Rockwell 140HV-€109.49100
HU38210.012.00751/8"5/32"3/4"0.051"+0.047" to +0.08"Rockwell 140HV-€7.04100
BU38210.037.01253/8"13/32"1 1/4"0.051"+0.047" to +0.08"--€13.19100
IU38210.037.03003/8"13/32"3"0.063"-Rockwell 140HV-€86.48100
JU38210.037.01623/8"13/32"1 5/8"0.047"-Rockwell 140HV-€22.80100
BU38210.037.01503/8"13/32"1 1/2"0.051"+0.047" to +0.08"Rockwell 140HV-€23.94100
KU38210.018.00753/16"7/32"3/4"0.047"---58°F to +302°F€6.72100
LU38210.018.01503/16"7/32"1 1/2"0.047"-Rockwell 140HV-€18.24100
MU38210.018.01003/16"7/32"1"0.051"+0.047" to +0.08"Rockwell 140HV-€12.33100
NU38210.031.03005/16"11/32"3"0.063"-Rockwell 140HV-€77.58100
OU38210.031.01625/16"11/32"1 5/8"0.051"+0.047" to +0.08"Rockwell 140HV-€21.15100
PU38210.031.02505/16"11/32"2 1/2"0.063"-Rockwell 140HV-€61.14100
BU38210.031.01505/16"11/32"1 1/2"0.051"+0.047" to +0.08"Rockwell 140HV-€23.77100
QU38210.031.02005/16"11/32"2"0.047"---€33.66100
BU38210.031.01255/16"11/32"1 1/4"0.051"+0.047" to +0.08"Rockwell 140HV-€17.81100
-

Black Oxide Steel Oversized Flat Washers

StyleModelFits Bolt SizesInside Dia.Outside Dia.ThicknessThickness ToleranceHardnessTensile StrengthColorPrice (ex. VAT)Pkg. Qty.
AU38403.011.0001#41/8"5/16"5/64"----€4.88100
BU38403.013.0001#65/32"3/8"5/64"----€6.38100
CU38403.016.0001#83/16"7/16"5/64"----€8.03100
DU38403.019.0001#103/16"1/2"0.094"----€5.66100
EU38100.150.00011 1/2"1 5/8"3 1/2"0.156"----€14.265
FZ92521 1/2"1 5/8"3"1/4"-0.02" to +0.005"Rockwell C40140000 psi-€55.651
GB38100.150.00011 1/2"1 5/8"3 1/2"0.156"---Silver€151.4755
HU38403.125.00011 1/4"1 9/32"2 1/2"0.281"----€12.435
IU38403.112.00011 1/8"1.156"2 1/4"0.156"----€12.085
JZ92541 3/4"1 7/8"3 3/8"1/4"-0.02" to +0.005"Rockwell C40140000 psi-€61.011
KU38100.137.00011 3/8"1 1/2"3 1/4"0.156"----€12.175
LZ92501 3/8"1 1/2"2 3/4"1/4"-0.02" to +0.005"Rockwell C40140000 psi-€38.601
MU38403.100.00011"1.031"2"0.156"----€8.515
NZ92941"1.063"2 1/2"1/4"-0.02" to +0.005"Rockwell C4--€39.322
OU38100.100.00011"1.063"2 1/2"0.156"----€6.935
PB38213.050.02001/2"17/32"2"1/16"-0.047" to +0.08"--Silver€2,732.24650
QU38403.050.00011/2"17/32"1 1/8"1/8"----€14.6750
RU38213.050.02001/2"17/32"2"1/16"-0.047" to +0.08"--Silver€24.3750
SU38100.050.00011/2"0.563"1 3/8"0.109"----€13.3750
TU38213.050.03001/2"17/32"3"1/16"-0.047" to +0.08"-Not ApplicableSilver€227.5250
UZ92891/2"17/32"1 3/8"0.156"-0.02" to +0.005"Rockwell C4--€22.695
VU38213.050.01501/2"17/32"1 1/2"1/16"-0.047" to +0.08"--Silver€12.5150
WU38403.025.00011/4"9/32"5/8"1/8"----€9.87100
PB38213.025.01501/4"9/32"1 1/2"1/16"-0.047" to +0.08"--Silver€3,823.731000
XU38213.025.02501/4"9/32"2 1/2"1/16"-0.047" to +0.08"--Silver€204.64100
APPROVED VENDOR -

Plain Phenolic Resin Standard Flat Washers

StyleModelFits Bolt SizesInside Dia.Outside Dia.ThicknessThickness ToleranceColorWasher TypeMaterialPrice (ex. VAT)Pkg. Qty.
AZ8402#41/8"0.312"0.063"-0.004" to +0.005"TanStandard WasherPhenolic Resin€4.445
BZ8406#65/32"1/2"0.063"-0.004" to +0.005"TanStandard WasherPhenolic Resin€4.385
CZ8408#81.172"1/2"0.063"-0.004" to +0.005"TanStandard WasherPhenolic Resin€3.455
DZ8410#100.203"0.632"0.063"-0.004" to +0.005"TanStandard WasherPhenolic Resin€4.045
EZ84121/4"9/32"5/8"0.063"-0.004" to +0.005"TanStandard WasherPhenolic Resin€3.725
FZ84145/16"0.328"0.569"0.063"-0.004" to +0.005"TanStandard WasherPhenolic Resin€3.815
APPROVED VENDOR -

Plain Grade 2 Stainless Steel Thick Flat Washers

StyleModelFits Bolt SizesInside Dia.Outside Dia.ThicknessThickness ToleranceHardnessTensile StrengthPrice (ex. VAT)
AZ8962SS1"1 1/16"2"1/4"-0.03" to +0.03"Rockwell B8090000 psi€12.96
BZ8954SS1/2"9/16"2"1/4"-0.03" to +0.03"Rockwell B8090000 psi€11.15
CZ8950SS1/4"5/16"2"1/4"-0.03" to +0.03"Rockwell B8090000 psi€10.88
DZ8958SS3/4"0.812"2"1/4"-0.03" to +0.03"Rockwell B8090000 psi€11.35
EZ8952SS3/8"7/16"2"1/4"-0.03" to +0.03"Rockwell B8090000 psi€11.35
FZ8956SS5/8"11/16"2"1/4"-0.03" to +0.03"Rockwell B8090000 psi€12.36
12...1516

Flat Washers

Flat washers are used with threaded fasteners for distributing the load uniformly and reducing frictional losses during screw tightening. These units are used for providing spacing and electrical insulation in control boxes. Raptor Supplies offers a wide array of flat washers from Accurate Mfd Products, Apollo, Armor Coat, C. Sherman Johnson, Dynaform, Earnest, Fabory, Foreverbolt, Grainger, Master Products, Metric Blue, TE-CO and Micro Plastics.

Frequently Asked Questions

What is the difference between flat washers and lock washers?

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

How to install a flat washer?

  • Place the flat washer between the threaded fastener (like a nut) and the screw / bolt head.
  • Make sure that the washer presses against the fastener & other adjacent surfaces to form a tight connection. Press the fastener down to lock the grooves of a serrated washer with the grooves of the nut.
  • Use a wrench or ratchet to tighten the nut / threaded fastener.
  • Ensure that the teeth of a serrated washer are covered completely by the nut / fastener head, or that a split washer is slightly out of alignment. This indicates 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 flat washer?

  • Simply remove the nut / threaded fastener that is holding the washer in place using a vice-grip or pipe wrench.
  • Use a flat screwdriver to pry a 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 flat 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 flat washer does not budge, use penetrating oil and repeat the previous step.
  • Some flat 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 flat washer or other damaged washers. Do not use old washers in high-stress joint applications.

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