Helical spring-lock washe...

Filter results

Country

This product is regulated by the following standards:

ASME B18.21.1 TABLE 1 ASME B18.21.1 TABLE 2 ASME B18.21.1 TABLE 3 ASME B18.21.1 TABLE 4

Technical data Send your request for quotation

Helical spring-lock washers, inch sizes

This product is regulated by the following standards:

Standard ASME B18.21.1 TABLE 1

Helical spring-lock washers, regular seriesInformation restricted to the registered users: Login | Register now for a 14-day free trial

Dimensions in inches: source ASME B18.21.1 -2009-Table 1 Regular series
Nominal washer size	A max	A min	B max	T mean section thickness (t1+t)/2	W min
No.2 (0.086)	0.094	0.088	0.172	0.020	0.035
No.3 (0.099)	0.107	0.101	0.195	0.025	0.040
No.4 (0.112)	0.120	0.114	0.209	0.025	0.040
No.5 (0.125)	0.133	0.127	0.236	0.031	0.047
No.6 (0.138)	0.148	0.141	0.250	0.031	0.047
No.8 (0.164)
No.10 (0.190)
No.12 (0.216)
1/4- (0.250)
5/16- (0.3125)
3/8- (0.375)
7/16-(0.4375)
1/2- (0.5)
9/16- (0.5625)
5/8- (0.625)
11/16- (0.6875)
3/4- (0.75)
13/16-(0.8125)
7/8- (0.875)
15/16 (0.9375)
1- (1)
1-1/16 (1.0625)
1-1/8 (1.125)
1-3/16 (1.875)
1- 1/4 (1.25)
1 - 5/16 (1.3125)
1 - 3/8 (1.375)
1 - 7/16 (1.4375)
1 - 1/2 (1.5)
1 - 5/8 (1.625)
1 - 3/4 (1.75)
1 - 7/8 (1.875)
2 (2)
2 - 1/4 (2.5)
2 - 1/2 (2.5)
2 - 3/4 (2.75)
3 (3)

Standard ASME B18.21.1 TABLE 2

Helical spring-lock washers, heavy seriesInformation restricted to the registered users: Login | Register now for a 14-day free trial

Dimensions in inches: source ASME B18.21.1 -2009-Table 2 Heavy series
Nominal Washer Size	A max	A min	B max	T mean section thickness (t1+t)/2	W min
No.2 (0.086)	0.094	0.088	0.182	0.025	0.040
No.3 (0.099)	0.107	0.101	0.209	0.031	0.047
No.4 (0.112)	0.120	0.114	0.223	0.031	0.047
No.5 (0.125)	0.133	0.127	0.252	0.040	0.055
No.6 (0.138)	0.148	0.141	0.266	0.040	0.055
No.8 (0.164)
No.10 (0.190)
No.12 (0.216)
1/4 - (0.250)
5/16 - (0.3125)
3/8 - (0.375)
7/16 -(0.4375)
1/2 - (0.5)
9/16 - (0.5625)
5/8 - (0.625)
11/16 - (0.6875)
3/4 - (0.75)
13/16 -(0.8125)
7/8 - (0.875)
15/16 - (0.9375)
1 - (1)
1-1/16 (1.0625)
1-1/8 (1.125)
1-3/16 (1.875)
1- 1/4 (1.25)
1 - 5/16 (1.3125)
1 - 3/8 (1.375)
1 - 7/16 (1.4375)
1 - 1/2 (1.5)
1 - 5/8 (1.625)
1 - 3/4 (1.75)
1 - 7/8 (1.875)
2 (2)
2 - 1/4 (2.5)
2 - 1/2 (2.5)
2 - 3/4 (2.75)
3 (3)

Standard ASME B18.21.1 TABLE 3

Helical spring-lock washers extra-duty seriesInformation restricted to the registered users: Login | Register now for a 14-day free trial

Dimensions in inches: source ASME B18.21.1 -2009-Table 3 Extra-duty series
Nominal washer size	A max	A min	B max	T mean section thickness (t1+t)/2	W min
No.2 (0.086)	0.094	0.088	0.208	0.027	0.053
No.3 (0.099)	0.107	0.101	0.239	0.034	0.062
No.4 (0.112)	0.120	0.114	0.253	0.034	0.062
No.5 (0.125)	0.133	0.127	0.300	0.045	0.079
No.6 (0.138)	0.148	0.141	0.314	0.045	0.079
No.8 (0.164)
No.10 (0.190)
No.12 (0.216)
1/4 - (0.250)
5/16 - (0.3125)
3/8 - (0.375)
7/16 -(0.4375)
1/2 - (0.5)
9/16 - (0.5625)
5/8 - (0.625)
11/16 - (0.6875)
3/4 - (0.75)
13/16 -(0.8125)
7/8 - (0.875)
15/16 (0.9375)
1 - (1)
1-1/16 (1.0625)
1-1/8 (1.125)
1-3/16 (1.875)
1- 1/4 (1.25)
1 - 5/16 (1.3125)
1 - 3/8 (1.375)
1 - 7/16 (1.4375)
1 - 1/2 (1.5)
1 - 5/8 (1.625)
1 - 3/4 (1.75)
1 - 7/8 (1.875)
2 (2)

Standard ASME B18.21.1 TABLE 4

Helical spring-lock washers, High CollarInformation restricted to the registered users: Login | Register now for a 14-day free trial

Dimensions in inches: source ASME B18.21.1 -2009- Table 4 High Collar
Nominal washer size	A max	A min	B max	T mean section thickness (t1+t)/2	W min
No.4 (0.112)	0.120	0.114	0.173	0.022	0.022
No.5 (0.125)	0.133	0.127	0.202	0.030	0.030
No.6 (0.138)	0.148	0.141	0.216	0.030	0.030
No.8 (0.164)
No.10 (0.190)
1/4 - (0.250)
5/16 - (0.3125)
3/8 - (0.375)
7/16 -(0.4375)
1/2 - (0.5)
5/8 - (0.625)
3/4 - (0.75)
7/8 - (0.875)
1 - (1)
1-1/8 (1.125)
1- 1/4 (1.25)
1 - 3/8 (1.375)
1 - 1/2 (1.5)
1 - 3/4 (1.75)
2 - (2)
2 - 1/4 (2.5)
2 - 1/2 (2.5)
2 - 3/4 (2.75)
3 - (3)

Helical spring-lock washers, inch sizes

Dimensions in inches: source ASME B18.21.1 -2009-Table 1 Regular series
Nominal washer size	A max	A min	B max	T mean section thickness (t1+t)/2	W min
No.2 (0.086)	0.094	0.088	0.172	0.020	0.035
No.3 (0.099)	0.107	0.101	0.195	0.025	0.040
No.4 (0.112)	0.120	0.114	0.209	0.025	0.040
No.5 (0.125)	0.133	0.127	0.236	0.031	0.047
No.6 (0.138)	0.148	0.141	0.250	0.031	0.047
No.8 (0.164)	0.174	0.167	0.293	0.040	0.055
No.10 (0.190)	0.2	0.193	0.334	0.047	0.062
No.12 (0.216)	0.227	0.220	0.377	0.056	0.070
1/4- (0.250)	0.26	0.252	0.487	0.062	0.109
5/16- (0.3125)	0.322	0.314	0.583	0.078	0.125
3/8- (0.375)	0.385	0.377	0.680	0.094	0.141
7/16-(0.4375)	0.45	0.44	0.776	0.109	0.156
1/2- (0.5)	0.641	0.628	1.073	0.156	0.203
9/16- (0.5625)	0.574	0.564	0.965	0.141	0.188
5/8- (0.625)	0.641	0.628	1.073	0.156	0.203
11/16- (0.6875)	0.704	0.691	1.170	0.172	0.219
3/4- (0.75)	0.766	0.753	1.265	0.188	0.234
13/16-(0.8125)	0.832	0.816	1.363	0.203	0.250
7/8- (0.875)	0.894	0.878	1.459	0.219	0.266
15/16 (0.9375)	0.958	0.941	1.556	0.234	0.281
1- (1)	1.024	1.003	1.656	0.25	0.297
1-1/16 (1.0625)	1.087	1.066	1.751	0.266	0.312
1-1/8 (1.125)	1.153	1.129	1.847	0.281	0.328
1-3/16 (1.875)	1.217	1.192	1.943	0.297	0.344
1- 1/4 (1.25)	1.280	1.254	2.036	0.312	0.359
1 - 5/16 (1.3125)	1.344	1.317	2.133	0.328	0.375
1 - 3/8 (1.375)	1.408	1.379	2.219	0.344	0.391
1 - 7/16 (1.4375)	1.472	1.442	2.234	0.359	0.406
1 - 1/2 (1.5)	1.534	1.504	2.419	0.375	0.422
1 - 5/8 (1.625)	1.663	1.663	2.553	0.389	0.424
1 - 3/4 (1.75)	1.798	1.758	2.679	0.389	0.424
1 - 7/8 (1.875)	1.914	1.833	2.811	0.422	0.427
2 (2)	20.39	2.008	2.936	0.422	0.427
2 - 1/4 (2.5)	2.293	2.262	3.221	0.440	0.442
2 - 1/2 (2.5)	2.543	2.512	3.471	0.440	0.442
2 - 3/4 (2.75)	2.793	2.762	3.824	0.458	0.491
3 (3)	3.043	3.012	4.074	0.458	0.491


Dimensions in inches: source ASME B18.21.1 -2009-Table 2 Heavy series
Nominal Washer Size	A max	A min	B max	T mean section thickness (t1+t)/2	W min
No.2 (0.086)	0.094	0.088	0.182	0.025	0.040
No.3 (0.099)	0.107	0.101	0.209	0.031	0.047
No.4 (0.112)	0.120	0.114	0.223	0.031	0.047
No.5 (0.125)	0.133	0.127	0.252	0.040	0.055
No.6 (0.138)	0.148	0.141	0.266	0.040	0.055
No.8 (0.164)	0.174	0.167	0.307	0.047	0.062
No.10 (0.190)	0.2	0.193	0.350	0.056	0.070
No.12 (0.216)	0.227	0.220	0.391	0.063	0.077
1/4 - (0.250)	0.26	0.252	0.489	0.077	0.110
5/16 - (0.3125)	0.322	0.314	0.593	0.097	0.130
3/8 - (0.375)	0.385	0.377	0.688	0.115	0.145
7/16 -(0.4375)	0.45	0.44	0.784	0.133	0.160
1/2 - (0.5)	0.512	0.502	0.879	0.151	0.176
9/16 - (0.5625)	0.574	0.564	0.975	0.170	0.193
5/8 - (0.625)	0.641	0.628	1.087	0.189	0.210
11/16 - (0.6875)	0.704	0.691	1.186	0.207	0.227
3/4 - (0.75)	0.766	0.753	1.285	0.226	0.244
13/16 -(0.8125)	0.832	0.816	1.387	0.246	0.262
7/8 - (0.875)	0.894	0.878	1.489	0.266	0.281
15/16 - (0.9375)	0.958	0.941	1.59	0.284	0.298
1 - (1)	1.024	1.003	1.7	0.306	0.319
1-1/16 (1.0625)	1.087	1.066	1.803	0.326	0.338
1-1/8 (1.125)	1.153	1.129	1.903	0.345	0.356
1-3/16 (1.875)	1.217	1.192	2.001	0.364	0.373
1- 1/4 (1.25)	1.280	1.254	2.104	0.384	0.393
1 - 5/16 (1.3125)	1.344	1.317	2.203	0.403	0.410
1 - 3/8 (1.375)	1.408	1.379	2.301	0.422	0.427
1 - 7/16 (1.4375)	1.472	1.442	2.396	0.440	0.442
1 - 1/2 (1.5)	1.534	1.504	2.491	0.458	0.458
1 - 5/8 (1.625)	1.663	1.663	2.694	0.458	0.491
1 - 3/4 (1.75)	1.798	1.758	2.820	0.458	0.491
1 - 7/8 (1.875)	1.914	1.833	2.945	0.458	0.491
2 (2)	2.039	2.008	3.144	0.496	0.526
2 - 1/4 (2.5)	2.293	2.262	3.398	0.496	0.526
2 - 1/2 (2.5)	2.543	2.512	3.648	0.496	0.526
2 - 3/4 (2.75)	2.793	2.762	3.910	0.526	0.532
3 (3)	3.043	3.012	4.160	0.526	0.532


Dimensions in inches: source ASME B18.21.1 -2009-Table 3 Extra-duty series
Nominal washer size	A max	A min	B max	T mean section thickness (t1+t)/2	W min
No.2 (0.086)	0.094	0.088	0.208	0.027	0.053
No.3 (0.099)	0.107	0.101	0.239	0.034	0.062
No.4 (0.112)	0.120	0.114	0.253	0.034	0.062
No.5 (0.125)	0.133	0.127	0.300	0.045	0.079
No.6 (0.138)	0.148	0.141	0.314	0.045	0.079
No.8 (0.164)	0.174	0.167	0.375	0.057	0.096
No.10 (0.190)	0.2	0.193	0.434	0.068	0.112
No.12 (0.216)	0.227	0.220	0.497	0.080	0.130
1/4 - (0.250)	0.26	0.252	0.533	0.084	0.132
5/16 - (0.3125)	0.322	0.314	0.619	0.108	0.143
3/8 - (0.375)	0.385	0.377	0.738	0.123	0.170
7/16 -(0.4375)	0.45	0.44	0.836	0.143	0.186
1/2 - (0.5)	0.512	0.502	0.935	0.162	0.204
9/16 - (0.5625)	0.574	0.564	1.035	0.182	0.223
5/8 - (0.625)	0.641	0.628	1.151	0.202	0.242
11/16 - (0.6875)	0.704	0.691	1.252	0.221	0.260
3/4 - (0.75)	0.766	0.753	1.355	0.241	0.279
13/16 -(0.8125)	0.832	0.816	1.458	0.261	0.298
7/8 - (0.875)	0.894	0.878	1.751	0.285	0.322
15/16 (0.9375)	0.958	0.941	1.684	0.308	0.345
1 - (1)	1.024	1.003	1.794	0.330	0.366
1-1/16 (1.0625)	1.087	1.066	1.905	0.352	0.389
1-1/8 (1.125)	1.153	1.129	2.013	0.375	0.411
1-3/16 (1.875)	1.217	1.192	2.107	0.396	0.431
1- 1/4 (1.25)	1.280	1.254	2.222	0.417	0.452
1 - 5/16 (1.3125)	1.344	1.317	2.327	0.438	0.472
1 - 3/8 (1.375)	1.408	1.379	2.429	0.458	0.491
1 - 7/16 (1.4375)	1.472	1.442	2.530	0.478	0.509
1 - 1/2 (1.5)	1.534	1.504	2.627	0.496	0.526
1 - 5/8 (1.625)	1.663	1.663	2.784	0.496	0.526
1 - 3/4 (1.75)	1.798	1.758	2.902	0.526	0.532
1 - 7/8 (1.875)	1.914	1.883	3.027	0.526	0.532
2 (2)	2.039	2.008	3.156	0.526	0.532


Dimensions in inches: source ASME B18.21.1 -2009- Table 4 High Collar
Nominal washer size	A max	A min	B max	T mean section thickness (t1+t)/2	W min
No.4 (0.112)	0.120	0.114	0.173	0.022	0.022
No.5 (0.125)	0.133	0.127	0.202	0.030	0.030
No.6 (0.138)	0.148	0.141	0.216	0.030	0.030
No.8 (0.164)	0.174	0.167	0.267	0.047	0.042
No.10 (0.190)	0.2	0.193	0.294	0.047	0.042
1/4 - (0.250)	0.26	0.252	0.363	0.078	0.047
5/16 - (0.3125)	0.322	0.314	0.457	0.093	0.062
3/8 - (0.375)	0.385	0.377	0.55	0.125	0.076
7/16 -(0.4375)	0.45	0.44	0.644	0.140	0.090
1/2 - (0.5)	0.512	0.502	0.733	0.172	0.103
5/8 - (0.625)	0.641	0.628	0.917	0.203	0.125
3/4 - (0.75)	0.766	0.753	1.105	0.218	0.154
7/8 - (0.875)	0.894	0.878	1.291	0.234	0.182
1 - (1)	1.024	1.003	1.478	0.25	0.208
1-1/8 (1.125)	1.153	1.129	1.663	0.313	0.236
1- 1/4 (1.25)	1.280	1.254	1.790	0.313	0.236
1 - 3/8 (1.375)	1.408	1.379	2.031	0.375	0.292
1 - 1/2 (1.5)	1.534	1.504	2.159	0.375	0.292
1 - 3/4 (1.75)	1.798	1.758	2.596	0.469	0.383
2 - (2)	2.039	2.008	2.846	0.469	0.383
2 - 1/4 (2.5)	2.293	2.262	3.345	0.508	0.508
2 - 1/2 (2.5)	2.543	2.512	3.595	0.508	0.508
2 - 3/4 (2.75)	2.793	2.762	4.095	0.633	0.633
3 - (3)	3.043	3.012	4.035	0.633	0.633

Full list of Suppliers of Helical spring-lock washers, inch sizes

Italy|Distributor

Buora d.p.u. S.r.l.

Founded in 1969, Buora D.P.U. is a distributor certified following ISO 9001.

The company offers the complete range of high strength fasteners, ready on stock, both coarse and fine pitches with metric and inch threads.

Distributor of prestigious brands such as UNBRAKO and NORD-LOCK, for Buora D.P.U. the service always comes first, therefore there is not minimum quantity required.

Germany|Distributor

Pfitzer Verbindungstechnik Gmbh

Distributor of inch sized fasteners, oil and gas fasteners and turned special screws

USA|Manufacturer

B...

Manufacturer of non-standard flat washers, shims and precision metal stampings, inch sizes for North America market

China|Manufacturer

B...

Manufacturer of fasteners, specialized in washers and stampings.

India|Manufacturer

International manufacturer of high quality fixings and fasteners, active since 50 years. We have a variety of nuts, bolts, washers, screws, threaded bars, clamps, rivets, wire ropes, nails and raw material in M.S. S.S 316, 304 grades and brass.

China|Manufacturer

D...

Biggest factory in China producing stainless steel washers.

Fat washers, spring washers, tooth lock washers and stamping parts.

Materials: 316L ,316S33,1.4462.

UK|Distributor

E...

Distributor of fasteners for the industrial distribution market. We aim to create the best customer experience possible by putting our customers’ needs first. With a wide range of products and services, we provide customers with more options, making managing their fastener program easier.

Italy|Manufacturer

F...

We offer logistics and inventory management and integrated supply chain management services covering a wide market of OEM fasteners (KanBan), MRO and Personal Protective Equipment (Vending Machine).

Taiwan|Manufacturer

F...

Manufacturer of standard washers, special washers and stampings

Germany|Distributor

F...

Distributor of aerospace fasteners

USA|Manufacturer

M...

Manufacturer of metal stampings and washers for the North American market

Germany|Distributor

P...

Distributor specialized in inch thread fasteners

Germany|Manufacturer

S...

Distributor of inch fasteners as per British and American standards

China|Manufacturer

S...

Manufacturer specialized in washers. Production of 200,000 washers/day.

Flat, spring, toothed, square and wave washers, etc...

UK|Manufacturer

Suppliers of Helical spring-lock washers, inch sizes

Technical data

Standard ASME B18.21.1 TABLE 1

Standard ASME B18.21.1 TABLE 2

Standard ASME B18.21.1 TABLE 3

Standard ASME B18.21.1 TABLE 4

Details

Buora d.p.u. S.r.l.

Pfitzer Verbindungstechnik Gmbh

B...

B...

C...

D...

E...

F...

F...

F...

M...

P...

S...

S...

S...

S...

T...