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.

Flat Washers

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APPROVED VENDOR -

Through Hardened Steel USS Washer

Style	Model	Fits Bolt Sizes	Inside Dia.	Outside Dia.	Package Weight	Size	Thickness	Thickness Tolerance	Price (inc. GST)
A	513121G	1"	1-1/16"	2.5"	1.65	1"	0.165"	+.027/-.029	A$ 25.74
A	513161G	1.5"	1.625"	3.5"	1.55	1.5"	0.18"	+.033/-.027	A$ 22.25
A	513141G	1.25"	1.375"	3"	1.15	1.25"	0.165"	+.027/-.029	A$ 15.45
A	513131G	1.125"	1.25"	2.75"	0.97	1.125"	0.165"	+.027/-.029	A$ 17.50
A	513061G	1/2"	9/16"	1.375"	0.81	1/2"	0.109"	+.023/-.023	A$ 13.42
A	513021G	1/4"	5/16"	3/4"	0.56	1/4"	0.065"	+.015/-.014	A$ 13.28
A	513101G	3/4"	13/16"	2"	1.9	3/4"	0.148"	+.029/-.026	A$ 33.79
A	513041G	3/8"	7/16"	1"	0.62	3/8"	0.083"	+.021/-.019	A$ 11.91
A	513081G	5/8"	11/16"	1.75"	1.66	5/8"	0.134"	+.026/-.026	A$ 27.05
A	513031G	5/16"	3/8"	7/8"	0.48	5/16"	0.083"	+.021/-.019	A$ 8.33
A	513111G	7/8"	15/16"	2.25"	1.35	7/8"	0.165"	+.027/-.029	A$ 24.41
A	513051G	7/16"	1/2"	1.25"	0.52	7/16"	0.083"	+.021/-.019	A$ 9.62
A	513071G	9/16"	5/8"	1.5"	0.98	9/16"	0.109"	+.023/-.023	A$ 15.06

APPROVED VENDOR -

A2 Stainless Steel Flat Washer

Style	Model	Fits Bolt Sizes	Inside Dia.	Outside Dia.	Thickness	Type	Price (inc. GST)
A	M51420.016.0001	M1.6	1.8mm	4"	0.3mm	Standard	A$ 1.37
B	M51420.020.0001	M2	2.2mm	5"	0.3mm	Standard	A$ 2.64
C	M51530.020.0001	M2	2.2mm	7mm	0.8 mm	Metric	A$ 2.64
D	M51530.025.0001	M2.5	2.7mm	8mm	0.8 mm	Wide	A$ 2.80
E	M51420.025.0001	M2.5	2.7mm	6mm	0.5 mm	Standard	A$ 2.31
F	M51420.026.0001	M2.6	2.8mm	7mm	0.5 mm	Standard	A$ 2.58
G	M51530.030.0001	M3	3.2mm	9mm	0.8 mm	Wide	A$ 2.58
H	M51420.030.0001	M3	3.2mm	7mm	0.5 mm	Standard	A$ 2.46
I	M51530.035.0001	M3.5	3.7mm	11mm	0.8 mm	Standard	A$ 3.58
J	M51420.035.0001	M3.5	3.7mm	8mm	0.5 mm	Standard	A$ 2.27
K	M51530.040.0001	M4	4.3mm	12 mm	1 mm	Wide	A$ 4.44
L	M51420.040.0001	M4	4.3mm	9mm	0.8 mm	Standard	A$ 1.74
M	M51530.050.0001	M5	5.3mm	15mm	1.2mm	Wide	A$ 4.15
N	M51420.050.0001	M5	5.3mm	10mm	1 mm	Standard	A$ 1.76
O	M51420.060.0001	M6	6.4mm	12 mm	1.6mm	Standard	A$ 3.30
P	M51420.070.0001	M7	7.4mm	14mm	1.6mm	Standard	A$ 4.50
Q	M51530.080.0001	M8	8.4mm	24mm	2mm	Wide	A$ 16.62
R	M51420.080.0001	M8	8.4mm	16 mm	1.6mm	Standard	A$ 4.48
S	M51530.100.0001	M10	10.5mm	30mm	2.5mm	Wide	A$ 33.95
T	M51420.100.0001	M10	10.5mm	20 mm	2mm	Standard	A$ 27.69
U	M51420.120.0001	M12	13mm	24mm	2.5mm	Standard	A$ 9.19
V	M51530.120.0001	M12	13mm	37mm	3mm	Wide	A$ 31.05
W	M51530.140.0001	M14	15mm	44mm	3mm	Metric	A$ 37.37
X	M51530.160.0001	M16	17mm	50mm	3mm	Wide	A$ 21.34
Y	M51420.160.0001	M16	17mm	30mm	3mm	Standard	A$ 5.83

APPROVED VENDOR -

A4 Stainless Steel Flat Washer

Style	Model	Fits Bolt Sizes	Inside Dia.	Outside Dia.	Thickness	Type	Price (inc. GST)
A	M55420.016.0001	M1.6	1.7mm	4"	0.3mm	Metric	A$ 2.66
B	M55420.020.0001	M2	2.2mm	5"	0.3mm	Standard	A$ 3.25
C	M55420.025.0001	M2.5	2.7mm	6mm	0.5 mm	Standard	A$ 2.58
D	M55420.026.0001	M2.6	2.8mm	7mm	0.5 mm	Standard	A$ 2.11
E	M55420.030.0001	M3	3.2mm	7mm	0.5 mm	Standard	A$ 2.35
F	M55530.030.0001	M3	3.2mm	9mm	0.8 mm	Metric	A$ 2.37
G	M55420.035.0001	M3.5	3.7mm	8mm	0.5 mm	Standard	A$ 2.31
H	M55420.040.0001	M4	4.3mm	9mm	0.8 mm	Standard	A$ 3.29
I	M55530.040.0001	M4	4.3mm	12 mm	1 mm	Metric	A$ 3.87
J	M55420.050.0001	M5	5.3mm	10mm	1 mm	Standard	A$ 3.48
K	M55530.050.0001	M5	5.3mm	15mm	1.2mm	Metric	A$ 6.24
L	M55530.060.0001	M6	6.4mm	18mm	1.6mm	Metric	A$ 10.78
M	M55530.080.0001	M8	8.4mm	24mm	2mm	Metric	A$ 18.89
N	M55530.100.0001	M10	10.5mm	30mm	2.5mm	Metric	A$ 42.42
O	M55530.120.0001	M12	13mm	37mm	3mm	Metric	A$ 35.28
P	M55420.160.0001	M16	17mm	30mm	3mm	Standard	A$ 8.72
Q	M55530.160.0001	M16	17mm	50mm	3mm	Metric	A$ 23.54
R	M55530.200.0001	M20	22mm	60mm	4mm	Metric	A$ 26.65
S	M55420.200.0001	M20	21mm	37mm	3mm	Standard	A$ 7.55
T	M55420.220.0001	M22	23mm	39mm	3mm	Metric	A$ 5.18
U	M55420.270.0001	M27	28mm	50mm	4mm	Metric	A$ 12.52
V	M55420.300.0001	M30	31mm	56mm	4mm	Standard	A$ 18.77
W	M55420.330.0001	M33	34mm	60mm	5mm	Metric	A$ 10.78
X	M55420.360.0001	M36	37mm	66mm	5mm	Standard	A$ 16.11

APPROVED VENDOR -

Stainless Steel Flat Washer

Style	Model	Fits Bolt Sizes	Inside Dia.	Outside Dia.	Thickness	Price (inc. GST)
A	M55420.060.0001	M6	6.4mm	12 mm	1.6mm	A$ 4.52
B	M55420.080.0001	M8	8.4mm	16 mm	1.6mm	A$ 7.88
C	M55420.100.0001	M10	10.5mm	20 mm	2mm	A$ 14.76

APPROVED VENDOR -

18-8 Stainless Steel Flat Washer, Type B

Style	Model	Fits Bolt Sizes	Inside Dia.	Outside Dia.	Package Weight	Size	Thickness	Thickness Tolerance	Type	Price (inc. GST)
A	WASB#0N8	#0	11/16"	1/8"	0.0010	-	0.022 to 0.028"	0.022 to 0.028"	Narrow	A$ 24.42
B	WASB#0R8	#0	11/16"	3/16"	0.0010	-	0.022 to 0.028"	0.022 to 0.028"	Regular	A$ 23.19
C	WASB#0W8	#0	1/16"	1/4"	0.0010	-	0.022 to 0.028"	0.022 to 0.028"	Wide	A$ 14.73
D	WASB#1N8	#1	5/64"	5/32"	0.0010	-	0.022 to 0.028"	0.022 to 0.028"	Narrow	A$ 23.25
E	WASB#1R8	#1	27/32"	7/32"	0.0010	-	0.022 to 0.028"	0.022 to 0.028"	Regular	A$ 23.06
F	WASB#1W8	#1	5/64"	9/32"	0.0010	-	0.028 to 0.036"	0.028 to 0.036"	Wide	A$ 15.02
G	WASB#2R8	#2	15/16"	1/4"	0.0075	-	0.028 to 0.036"	0.028 to 0.036"	Regular	A$ 33.81
H	WASB#2N8	#2	3/32"	3/16"	0.0075	-	0.022 to 0.028"	0.022 to 0.028"	Narrow	A$ 45.39
I	WASB#2W8	#2	3/32"	11/32"	0.0075	-	0.028 to 0.036"	0.028 to 0.036"	Wide	A$ 21.51
J	WASB#4N8	#4	1/8"	1/4"	0.025	-	0.028 to 0.036"	0.028 to 0.036"	Narrow	A$ 37.10
K	WASB#4R8	#4	1/8"	3/8"	0.025	-	0.036 to 0.045"	0.036 to 0.045"	Regular	A$ 31.31
L	WASB#4W8	#4	1/8"	7/16"	0.025	-	0.036 to 0.045"	0.036 to 0.045"	Wide	A$ 18.30
M	WASB#6R8	#6	5/32"	7/16"	0.025	-	0.036 to 0.045"	0.036 to 0.045"	Regular	A$ 34.97
N	WASB#6W8	#6	5/32"	9/16"	0.025	-	0.036 to 0.045"	0.036 to 0.045"	Wide	A$ 23.31
O	WASB#6N8	#6	5/32"	5/16"	0.025	-	0.028 to 0.036"	0.028 to 0.036"	Narrow	A$ 34.71
P	WASB#8R8	#8	3/16"	1/2"	0.045	-	0.036 to 0.045"	0.036 to 0.045"	Regular	A$ 43.55
Q	WASB#8W8	#8	3/16"	5/8"	0.045	-	0.056 to 0.071"	0.056 to 0.071"	Wide	A$ 35.32
R	WASB#8N8	#8	3/16"	3/8"	0.045	-	0.036 to 0.045"	0.036 to 0.045"	Narrow	A$ 42.04
S	WASB#10R8	#10	13/64"	9/16"	0.0625	-	0.036 to 0.045"	0.036 to 0.045"	Regular	A$ 41.99
T	WASB#10W8	#10	13/64"	47/64"	0.0625	-	0.056 to 0.071"	0.056 to 0.071"	Wide	A$ 33.79
U	WASB#10N8	#10	13/64"	13/32"	0.0625	-	0.036 to 0.045"	0.036 to 0.045"	Narrow	A$ 42.20
V	WASB80R8	1"	1.625"	2.5"	0.1662	1"	0.146 to 0.174"	0.146 to 0.174"	Regular	A$ 78.87
W	WASB80N8	1"	1-1/16"	1.75"	0.1662	1"	0.09 to 0.112"	0.090 to 0.112"	Narrow	A$ 24.31
X	WASB80W8	1"	1-1/16"	3"	0.1662	1"	0.146 to 0.174"	0.146 to 0.174"	Wide	A$ 134.44
Y	WASB82W8	1.25"	1-5/16"	3.5"	0.326	1.25"	0.234 to 0.266"	0.234 to 0.266"	Wide	A$ 230.68

APPROVED VENDOR -

Steel Zinc Flat Washer, Type B

Style	Model	Fits Bolt Sizes	Inside Dia.	Outside Dia.	Package Weight	Size	Thickness	Thickness Tolerance	Type	Price (inc. GST)
A	WASB80NZ	1"	1-1/16"	1.75"	0.1662	1"	0.09 to 0.112"	0.090 to 0.112"	Narrow	A$ 8.74
B	WASB80RZ	1"	1.625"	2.5"	0.1662	1"	0.146 to 0.174"	0.146 to 0.174"	Regular	A$ 32.05
C	WASB80WZ	1"	1.625"	3"	0.1662	1"	0.146 to 0.174"	0.146 to 0.174"	Wide	A$ 31.21
D	WASB82WZ	1.25"	1-5/16"	3.5"	0.326	1.25"	0.234 to 0.266"	0.234 to 0.266"	Wide	A$ 75.05
E	WASB82RZ	1.25"	1-5/16"	3"	0.326	1.25"	0.146 to 0.174"	0.146 to 0.174"	Regular	A$ 39.66
F	WASB82NZ	1.25"	1-5/16"	2.25"	0.326	1.25"	0.146 to 0.174"	0.146 to 0.174"	Narrow	A$ 20.79
G	WASB81NZ	1.125"	1.187"	2"	0.2184	1.125"	0.09 to 0.112"	0.090 to 0.112"	Narrow	A$ 14.34
H	WASB81WZ	1.125"	1.187"	3.25"	0.2184	1.125"	0.146 to 0.174"	0.146 to 0.174"	Wide	A$ 48.62
I	WASB81RZ	1.125"	1.187"	2.75"	0.2184	1.125"	0.146 to 0.174"	0.146 to 0.174"	Regular	A$ 29.53
J	WASB34NZ	3/4"	13/16"	1.375"	0.1186	3/4"	0.09 to 0.112"	0.090 to 0.112"	Narrow	A$ 9.24
K	WASB34RZ	3/4"	13/16"	2"	0.1186	3/4"	0.09 to 0.112"	0.090 to 0.112"	Regular	A$ 12.16
L	WASB34WZ	3/4"	13/16"	2.5"	0.1186	3/4"	0.146 to 0.174"	0.146 to 0.174"	Wide	A$ 28.75
M	WASB58NZ	5/8"	21/2"	1.25"	0.1475	5/8"	0.09 to 0.112"	0.090 to 0.112"	Narrow	A$ 13.86
N	WASB58RZ	5/8"	21/32"	1.75"	0.1475	5/8"	0.09 to 0.112"	0.090 to 0.112"	Regular	A$ 19.11
O	WASB58WZ	5/8"	21/32"	2.25"	0.1475	5/8"	0.146 to 0.174"	0.146 to 0.174"	Wide	A$ 74.02
P	WASB78RZ	7/8"	15/16"	2.25"	0.126	7/8"	0.146 to 0.174"	0.146 to 0.174"	Regular	A$ 22.47
Q	WASB78WZ	7/8"	15/16"	2.75"	0.126	7/8"	0.146 to 0.174"	0.146 to 0.174"	Wide	A$ 42.51
R	WASB78NZ	7/8"	15/16"	1 15/32"	0.126	7/8"	0.09 to 0.112"	0.090 to 0.112"	Narrow	A$ 7.72
S	WASB91RZ	9/16"	19/32"	1 15/32"	0.14500000000000002	9/16"	0.09 to 0.112"	0.090 to 0.112"	Regular	A$ 17.38
T	WASB91WZ	9/16"	19/32"	2"	0.14500000000000002	9/16"	0.09 to 0.112"	0.090 to 0.112"	Wide	A$ 37.64
U	WASB91NZ	9/16"	19/32"	1.25"	0.14500000000000002	9/16"	0.056 to 0.071"	0.056 to 0.071"	Narrow	A$ 9.70

APPROVED VENDOR -

Carbon Steel Flat Washer

Style	Model	Finish	Fits Bolt Sizes	Inside Dia.	Outside Dia.	Thickness	Type	Price (inc. GST)
A	U38157.150.0001	Hot Dipped Galvanized	1.5"	1.625"	3.5"	0.18"	USS	A$ 17.38
B	U38200.112.0001	Plain	1.125"	1.25"	2.25"	0.134"	SAE	A$ 3.66
C	U38200.125.0001	Plain	1.25"	1.375"	2.5"	0.165"	SAE	A$ 6.53
D	U38200.150.0001	Plain	1.5"	1.625"	3"	0.165"	SAE	A$ 9.70
E	M38130.035.0001	Zinc	M3.5	3.7mm	8mm	0.5 mm	Standard	A$ 2.44
F	M38210.020.0001	Zinc	M2	2.2mm	7mm	0.8 mm	Standard	A$ 1.13
G	M38210.025.0001	Zinc	M2.5	2.7mm	8mm	0.8 mm	Standard	A$ 1.29
H	M38210.220.0001	Zinc	M22	23mm	39mm	3mm	Standard	A$ 22.35
I	U38205.112.0001	Zinc	1.125"	1.25"	2.25"	0.134"	SAE	A$ 5.50
J	U38205.125.0001	Zinc	1.25"	1.375"	2.5"	0.165"	SAE	A$ 5.94
K	U38205.137.0001	Zinc	1.375"	1.5"	2.75"	0.165"	SAE	A$ 6.82
L	U38205.150.0001	Zinc	1.5"	1.625"	3"	0.165"	SAE	A$ 8.94

APPROVED VENDOR -

Through Hardened Steel SAE Washer

Style	Model	Fits Bolt Sizes	Inside Dia.	Outside Dia.	Package Weight	Size	Thickness	Thickness Tolerance	Price (inc. GST)
A	514121G	1"	1-1/16"	2"	0.91	1"	0.134"	+.026/-.026	A$ 17.19
A	514161G	1.5"	1.625"	3"	1.05	1.5"	0.165"	+.027/-.029	A$ 11.97
A	514141G	1.25"	1.375"	2.5"	1.4	1.25"	0.165"	+.027/-.029	A$ 22.31
A	514131G	1.125"	1.187"	2.25"	0.91	1.125"	0.134"	+.026/-.026	A$ 20.42
A	514061G	1/2"	17/32"	1 1/16"	0.38	1/2"	0.095"	+.026/-.021	A$ 7.96
A	514021G	1/4"	9/32"	5/8"	0.37	1/4"	0.065"	+.015/-.014	A$ 9.02
A	514101G	3/4"	13/16"	1 15/32"	0.74	3/4"	0.134"	+.026/-.026	A$ 14.45
A	514041G	3/8"	13/32"	13/16"	0.34	3/8"	0.065"	+.015/-.014	A$ 8.19
A	514081G	5/8"	21/32"	1 5/16"	0.7	5/8"	0.095"	+.026/-.021	A$ 14.51
A	514031G	5/16"	11/32"	11/16"	0.22	5/16"	0.065"	+.015/-.014	A$ 5.71
A	514111G	7/8"	15/16"	1.75"	0.55	7/8"	0.134"	+.026/-.026	A$ 9.58
A	514051G	7/16"	15/32"	59/64"	0.23	7/16"	0.065"	+.015/-.014	A$ 4.91
A	514071G	9/16"	19/32"	1.187"	0.47	9/16"	0.095"	+.026/-.021	A$ 10.46

APPROVED VENDOR -

Case Hardened Steel Thick Square Washer

Style	Model	Fits Bolt Sizes	Inside Dia.	Price (inc. GST)
A	Z8962H	1"	1-1/16"	A$ 18.91
B	Z8954H	1/2"	9/16"	A$ 9.88
C	Z8950H	1/4"	5/16"	A$ 4.63
D	Z8958H	3/4"	13/16"	A$ 16.95
E	Z8952H	3/8"	7/16"	A$ 12.57
F	Z8956H	5/8"	11/16"	A$ 16.62
G	Z8960H	7/8"	15/16"	A$ 11.71

APPROVED VENDOR -

18-8 Stainless Steel Thick Square Washer

Style	Model	Fits Bolt Sizes	Inside Dia.	Price (inc. GST)
A	Z8962SS	1"	1-1/16"	A$ 19.20
B	Z8954SS	1/2"	9/16"	A$ 16.52
C	Z8950SS	1/4"	5/16"	A$ 16.11
D	Z8958SS	3/4"	13/16"	A$ 16.82
E	Z8952SS	3/8"	7/16"	A$ 16.82
F	Z8956SS	5/8"	11/16"	A$ 18.30
G	Z8960SS	7/8"	15/16"	A$ 19.82

APPROVED VENDOR -

Steel Beveled Washer

Style	Model	Fits Bolt Sizes	Inside Dia.	Outside Dia.	Thickness	Price (inc. GST)
A	Z9180-BEV	#10	13/64"	1/2"	3/32"	A$ 28.49
B	Z9189-BEV	1"	1.031"	2"	5/16"	A$ 9.90
C	Z9191-BEV	1.25"	1-9/32"	2.25"	5/16"	A$ 14.12
D	Z9190-BEV	1.125"	1.156"	2.25"	5/16"	A$ 12.93
E	Z9185-BEV	1/2"	17/32"	1"	3/16"	A$ 32.74
F	Z9181-BEV	1/4"	9/32"	5/8"	1/8"	A$ 18.58
G	Z9187-BEV	3/4"	25/32"	1.5"	1/4"	A$ 78.69
H	Z9183-BEV	3/8"	13/32"	7/8"	1/8"	A$ 24.74
I	Z9186-BEV	5/8"	21/32"	1.25"	1/4"	A$ 50.79
J	Z9182-BEV	5/16"	11/32"	3/4"	1/8"	A$ 26.34
K	Z9188-BEV	7/8"	29/32"	1.75"	1/4"	A$ 39.83
L	Z9184-BEV	7/16"	15/32"	1"	5/32"	A$ 32.70

APPROVED VENDOR -

Case Hardened Steel Beveled Washer

Style	Model	Fits Bolt Sizes	Inside Dia.	Outside Dia.	Thickness	Price (inc. GST)
A	Z9180-BEV-H	#10	13/64"	1/2"	3/32"	A$ 34.20
B	Z9189-BEV-H	1"	1.031"	2"	5/16"	A$ 14.98
C	Z9191-BEV-H	1.25"	1-9/32"	2.25"	5/16"	A$ 20.36
D	Z9190-BEV-H	1.125"	1.156"	2.25"	5/16"	A$ 16.62
E	Z9185-BEV-H	1/2"	17/32"	1"	3/16"	-	RFQ
F	Z9181-BEV-H	1/4"	9/32"	5/8"	1/8"	A$ 28.86
G	Z9187-BEV-H	3/4"	25/32"	1.5"	1/4"	A$ 83.62
H	Z9183-BEV-H	3/8"	13/32"	7/8"	1/8"	A$ 51.41
I	Z9186-BEV-H	5/8"	21/32"	1.25"	1/4"	A$ 73.33
J	Z9182-BEV-H	5/16"	11/32"	3/4"	1/8"	A$ 39.95
K	Z9188-BEV-H	7/8"	29/32"	1.75"	1/4"	A$ 38.92
L	Z9184-BEV-H	7/16"	15/32"	1"	5/32"	A$ 35.85

APPROVED VENDOR -

Case Hardened Steel Extra Thick Washer

Style	Model	Fits Bolt Sizes	Inside Dia.	Outside Dia.	Thickness	Thickness Tolerance	Price (inc. GST)
A	Z9208	1"	1.031"	2"	9/32"	+/-0.010"	A$ 22.35
B	Z9204	1/2"	17/32"	1.125"	3/16"	+/-0.010"	A$ 11.50
C	Z9200	1/4"	9/32"	5/8"	3/16"	+/-0.010"	A$ 15.49
D	Z9206	3/4"	25/32"	1.625"	1/4"	+/-0.010"	A$ 16.92
E	Z9202	3/8"	13/32"	1"	3/16"	+/-0.010"	A$ 19.71
F	Z9205	5/8"	21/32"	1.375"	3/16"	+/-0.010"	A$ 9.15
G	Z9201	5/16"	11/32"	3/4"	3/16"	+/-0.010"	A$ 16.43
H	Z9207	7/8"	29/32"	1.75"	1/4"	+/-0.010"	A$ 78.79
I	Z9203	7/16"	15/32"	1"	3/16"	+/-0.010"	A$ 10.40
J	Z8840	M3	3.2mm	12 mm	3mm	+0.4mm/-0.5mm	A$ 12.32
K	Z8842	M4	4.3mm	14mm	3mm	+0.4mm/-0.5mm	A$ 19.05
L	Z8844	M5	5.3mm	15mm	3.5mm	+0.4mm/-0.5mm	A$ 22.78
M	Z8846	M6	6.4mm	18mm	4.5mm	+0.4mm/-0.5mm	A$ 23.11
N	Z8848	M8	8.5mm	22mm	5mm	+0.4mm/-0.5mm	A$ 19.24
O	Z8850	M10	10.5mm	23mm	5mm	+0.4mm/-0.5mm	A$ 18.42
P	Z8852	M12	13mm	26mm	5mm	+0.4mm/-0.5mm	A$ 20.38
Q	Z8854	M14	15mm	27mm	5mm	+0.4mm/-0.5mm	A$ 20.49
R	Z8856	M16	17mm	32 mm	5mm	+0.4mm/-0.5mm	A$ 20.32
S	Z8860	M20	21mm	35mm	5mm	+0.4mm/-0.5mm	A$ 23.00
T	Z8864	M24	25mm	43mm	6.5mm	+0.4mm/-0.5mm	A$ 26.11
U	Z8870	M30	31mm	48mm	6.5mm	+0.4mm/-0.5mm	A$ 6.63
V	Z8876	M36	37mm	50mm	7.5mm	+0.4mm/-0.5mm	A$ 11.21

APPROVED VENDOR -

Phenolic Flat Washer

Style	Model	Fits Bolt Sizes	Inside Dia.	Outside Dia.	Price (inc. GST)
A	Z8402	#4	0.125"	0.312"	A$ 8.66
B	Z8406	#6	0.156"	0.5"	A$ 8.39
C	Z8408	#8	0.177"	0.5"	A$ 4.87
D	Z8410	#10	0.203"	0.632"	A$ 6.65
E	Z8412	1/4"	0.282"	0.625"	A$ 6.14
F	Z8416	3/8"	0.385"	0.625"	A$ 8.93
G	Z8414	5/16"	0.328"	0.569"	A$ 6.28

APPROVED VENDOR -

Case Hardened Steel Thick Washer

Style	Model	Fits Bolt Sizes	Inside Dia.	Outside Dia.	Thickness	Thickness Tolerance	Price (inc. GST)
A	Z9085	#4	1/8"	5/16"	5/64"	+/-0.010"	A$ 15.41
B	Z9086	#6	5/32"	3/8"	5/64"	+/-0.010"	A$ 14.41
C	Z9087	#8	3/16"	7/16"	5/64"	+/-0.010"	A$ 9.80
D	Z9094	#10	13/64"	1/2"	3/32"	+/-0.010"	A$ 10.17
E	Z9103	1"	1.031"	2"	3/16"	+/-0.010"	A$ 71.16
F	Z9105	1.25"	1-9/32"	2.5"	9/32"	+/-0.010"	A$ 33.85
G	Z9104	1.125"	1.156"	2.25"	7/32"	+/-0.010"	A$ 81.39
H	Z9099	1/2"	17/32"	1.125"	1/8"	+/-0.010"	A$ 21.24
I	Z9095	1/4"	9/32"	5/8"	1/8"	+/-0.010"	A$ 12.46
J	Z9101	3/4"	25/32"	1.625"	1/8"	+/-0.010"	A$ 29.45
K	Z9097	3/8"	13/32"	7/8"	1/8"	+/-0.010"	A$ 15.43
L	Z9100	5/8"	21/32"	1.375"	1/8"	+/-0.010"	A$ 10.79
M	Z9096	5/16"	11/32"	3/4"	1/8"	+/-0.010"	A$ 12.50
N	Z9102	7/8"	29/32"	1.75"	5/32"	+/-0.010"	A$ 36.88
O	Z9098	7/16"	15/32"	1"	1/8"	+/-0.010"	A$ 18.83
P	Z8803	M3	3.2mm	8mm	2mm	+0.4mm/-0.5mm	A$ 28.96
Q	Z8804	M4	4.3mm	10mm	2mm	+0.4mm/-0.5mm	A$ 31.00
R	Z8805	M5	5.3mm	11mm	2mm	+0.4mm/-0.5mm	A$ 14.59
S	Z8806	M6	6.4mm	13mm	2.5mm	+0.4mm/-0.5mm	A$ 13.28
T	Z8808	M8	8.4mm	16 mm	3mm	+0.4mm/-0.5mm	A$ 14.31
U	Z8810	M10	10.5mm	19mm	3mm	+0.4mm/-0.5mm	A$ 15.14
V	Z8812	M12	13mm	22mm	3mm	+0.4mm/-0.5mm	A$ 15.84
W	Z8814	M14	15mm	25 mm	3mm	+0.4mm/-0.5mm	A$ 23.43
X	Z8816	M16	17mm	28mm	3.5mm	+0.4mm/-0.5mm	A$ 18.26
Y	Z8820	M20	21mm	35mm	3.5mm	+0.4mm/-0.5mm	A$ 22.02

ANVIL -

Flat Washers

Style	Model	Price (inc. GST)
A	0500364682	A$ 0.88	RFQ
A	0500364708	A$ 3.27	RFQ
A	0500364674	A$ 0.53	RFQ
A	0500364690	A$ 1.51	RFQ
A	0500364716	A$ 5.46	RFQ
A	FIG AS 209	-	RFQ

APPROVED VENDOR -

Fender Washer Uss Zinc Fits #10, 100PK

Model	Item	Price (inc. GST)
1JLP7	AA9YMB	A$ 60.23

GRAINGER -

M30X56.00 Mm O.D., Structural Washer, Steel, Carbon Steel, Plain, 100PK

Model	Item	Price (inc. GST)
M04035.300.0001	CD2FTQ	A$ 740.43

APOLLO VALVES -

Washer, Brass

Model	Item	Price (inc. GST)
E181800	AM3DJT	A$ 4.01	See Details

THOMAS & BETTS -

Fender Washer, 1/4 X 1-1/4 Inch Size

Model	Item	Price (inc. GST)
KN18-10LF-T	BK9JMM	A$ 1.80	See Details

THOMAS & BETTS -

Compression Washer, 5/16 Inch Bolt

Model	Item	Price (inc. GST)
XJG44-EMT	BK9TBG	A$ 742.83	See Details

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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.

Features

Flat washers are designed to decrease friction, stop leakage, prevent loosening and reduce the distribution of pressure.
They enhance the size of a screw's bearing surface and decrease the surface pressure applied to the fastened object.
These washers secure surfaces by evenly distributing torque when a bolt or screw is tightened.
They eliminate corrosion between a steel screw and an aluminium surface.

Categories

Brands

Flat Washers

Through Hardened Steel USS Washer

A2 Stainless Steel Flat Washer

A4 Stainless Steel Flat Washer

Stainless Steel Flat Washer

18-8 Stainless Steel Flat Washer, Type B

Steel Zinc Flat Washer, Type B

Carbon Steel Flat Washer

Through Hardened Steel SAE Washer

Case Hardened Steel Thick Square Washer

18-8 Stainless Steel Thick Square Washer

Steel Beveled Washer

Case Hardened Steel Beveled Washer

Case Hardened Steel Extra Thick Washer

Phenolic Flat Washer

Case Hardened Steel Thick Washer

Flat Washers

Fender Washer Uss Zinc Fits #10, 100PK

M30X56.00 Mm O.D., Structural Washer, Steel, Carbon Steel, Plain, 100PK

Washer, Brass

Fender Washer, 1/4 X 1-1/4 Inch Size

Compression Washer, 5/16 Inch Bolt

Flat Washers

Features

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