Standard ASME B18.21.1 TABLE 11

本标准涵盖的A型平垫圈适用于一般用途。A型平垫圈的作用是最大限度地减少嵌入，并有助于紧固。

Dimensions in inches : source: ASME B18.21.1 type A Plain Washers table 11 Publication date 2009
Nominal Washer Size	Series	A basic	B basic	C basic
No. 0 (0.60)	-	0.078	0.188	0.020
No.2 (0.086)	-	0.094	0.250	0.020
No.4 (0.112)	-	0.125	0.312	0.032
No.6 (0.138)	-	0.156	0.375	0.049
No.8 (0.164)	-	0.188	0.438	0.049
No. 10 (0.190)	-	0.219	0.500	0.049
3/16 (0.188)	-	0.250	0.562	0.049
No. 12 (0.216)	-	0.250	0.562	0.65
1/4	N	0.281	0.625	0.065
1/4	W	0.312	0.734	0.065
5/16	N	0.344	0.688	0.065
5/16	W	0.375	0.875	0.083
3/8	N	0.406	0.812	0.065
3/8	W	0.438	1.000	0.083
7/16	N	0.469	0.922	0.065
7/16	W	0.500	1.250	0.083
1/2	N	0.531	0.030	0.095
1/2	W	0.562	1.375	0.109
9/16	N	0.594	1.156	0.095
9/16	W	0.625	1.469	0.109
5/8	N	0.656	1.312	0.095
5/8	W	0.688	1.750	0.134
3/4	N	0.812	1.469	0.134
3/4	W	0.812	2.000	0.148
7/8	N	0.938	1.750	0.134
7/8	W	0.938	2.250	0.165
1	N	1.062	2.000	0.134
1	W	1.062	2.500	0.165
1-1/8	N	1.250	2.250	0.134
1-1/8	W	1.250	2.750	0.165
1-1/4	N	1.375	2.500	0.165
1-1/4	W	1.375	3.000	0.165
1-3/8	N	1.500	2.750	0.165
1-3/8	W	1.500	3.250	0.180
1-1/2	N	1.625	3.000	0.165
1-1/2	W	1.625	3.500	0.180
1-5/8	-	1.750	3.750	0.180
1-3/4	-	1.875	4.000	0.180
1-7/8	-	2.000	4.250	0.180
2	-	2.125	4.500	0.180
2-1/4	-	2.375	4.750	0.220
2-1/2	-	2.625	5.000	0.238
2-3/4	-	2.875	5.250	0.259
3	-	3.125	5.500	0.284

Standard ASME B18.21.1 TABLE 12

B型平垫圈

Dimensions in inches : source: ASME B18.21.1 type B Plain Washers table 12
Nominal Washer Size	Series	A basic	B basic	C basic
No. 0 (0.060)	N	0.068	0.125	0.025
	R	0.068	0.188	0.025
	W	0.068	0.25	0.025
No. 1 (0.073	N	0.84	0.156	0.025
	R	0.84	0.219	0.025
	W	0.84	0.281	0.025
No. 2 (0.086)	N	0.094	0.188	0.025
	R	0.094	0.250	0.032
	W	0.094	0.344	0.032
No. 3 (0.99)	N	0.109	0.219	0.025
	R	0.109	0.312	0.032
	W	0.109	0.406	0.040
No. 4 (0.112)	N	0.125	0.250	0.032
	R	0.125	0.375	0.040
	W	0.125	0.438	0.040
No. 5 (0.125)	N	0.141	0.281	0.032
	R	0.141	0.406	0.040
	W	0.141	0.500	0.040
No. 6 (0.138)	N	0.156	0.312	0.032
	R	0.156	0.438	0.040
	W	0.156	0.562	0.040
No. 8 (0.164)	N	0.188	0.375	0.040
	R	0.188	0.500	0.040
	W	0.188	0.625	0.063
No. 10 (0.190)	N	0.203	0.406	0.040
	R	0.203	0.562	0.040
	W	0.203	0.734	0.063
No. 12 (0.206)	N	0.234	0.438	0.040
	R	0.234	0.625	0.063
	W	0.234	0.875	0.063
1/4	N	0.281	0.500	0.063
	R	0.281	0.734	0.063
	W	0.281	1	0.063
5/16	N	0.344	0.625	0.063
	R	0.344	0.875	0.063
	W	0.344	1.125	0.063
3/8	N	0.406	0.734	0.063
	R	0.406	1	0.063
	W	0.406	1.250	0.100
7/16	N	0.469	0.875	0.063
	R	0.469	1.125	0.063
	W	0.469	1.469	0.100
1/2	N	0.531	1	0.063
	R	0.531	1.250	0.100
	W	0.531	1.750	0.100
9/16	N	0.594	1.125	0.063
	R	0.594	1.469	0.100
	W	0.594	2	0.100
5/8	N	0.656	1.250	0.100
	R	0.656	1.750	0.100
	W	0.656	2.250	0.160
3/4	N	0.812	1.375	0.100
	R	0.812	2	0.100
	W	0.812	2.500	0.160
7/8	N	0.938	1.469	0.100
	R	0.938	2.250	0.160
	W	0.938	2.750	0.160
1	N	1.062	1.750	0.100
	R	1.062	2.500	0.160
	W	1.062	3	0.160
1-1/8	N	1.188	2	0.100
	R	1.188	2.750	0.160
	W	1.188	3.250	0.160
1-1/4	N	1.312	2.250	0.160
	R	1.312	3	0.160
	W	1.312	3.500	0.250
1-3/8	N	1.438	2.500	0.160
	R	1.438	3.250	0.160
	W	1.438	3.750	0.250
1-1/2	N	1.562	0.030	0.160
	R	1.562	0.045	0.250
	W	1.562	0.045	0.250
1-5/8	N	1.750	3	0.160
	R	1.750	3.750	0.250
	W	1.750	4.250	0.250
1-3/4	N	1.875	3.250	0.160
	R	1.875	4	0.250
	W	1.875	4.500	0.250
1-7/8	N	2	3.500	0.250
	R	2	4.250	0.250
	W	2	4.750	0.250
2	N	2.125	3.750	0.250
	R	2.125	3.750	0.250
	W	2.125	3.750	0.250
2-1/4	N	2.375	4	0.250
	R	2.375	5	0.250
	W	2.375	5	0.250
2-1/2	N	2.625	4.500	0.250
	R	2.625	5.500	0.375
	W	2.625	6	0.375
2-3/4	N	2.875	5	0.250
	R	2.875	6	0.375
	W	2.875	5.500	0.375
3	N	3.125	5.500	0.375
	R	3.125	6.500	0.375
	W	3.125	7	0.375

Standard ASME B18.21.1 TABLE 13

挡泥板垫圈

Dimensions in inches : source: ASME B18.21.1 Fender Washers table 13
Nominal Washer Size	A basic	B basic	C basic
1/8 x 5/8	0.16	0.625	0.065
1/8 x 3/4	0.16	0.75	0.065
5/32 x 7/8	0.19	0.875	0.065
3/16 x 3/4	0.19	0.75	0.065
3/16 x 1	0.190	1	0.065
3/16 x 1-1/4	0.19	1.25	0.065
3/16 x 1-1/2	0.19	1.5	0.065
1/4 x 1	0.285	1	0.065
1/4 x 1-1/4	0.285	1.25	0.065
1/4 x 1-1/2	0.285	1.5	0.065
1/4 x 1-3/4	0.285	1.761	0.065
1/4 x 2	0.285	2	0.065
5/16 x 7/8	0.348	0.875	0.065
5/16 x 1	0.348	1	0.065
5/16 x 1-1/4	0.348	1.25	0.065
5/16 x 1-1/2	0.348	0.338	0.065
5/16 x 1-3/4	0.348	1.75	0.065
5/16 x 1-5/8	0.348	1.625	0.065
5/16 x 2	0.348	2	0.065
3/8 x 1-1/4	0.410	1.250	0.065
3/8 x 1-1/2	0.410	1.5	0.065
3/8 x1-3/4	0.410	1.75	0.065
3/8 1-5/8	0.410	1.625	0.065
3/8 x 2	0.410	2	0.065
1/2 x 1-1/4	0.535	1.25	0.065
1/2 x 1-1/2	0.535	1.5	0.065
1/2 x 1-3/4	0.535	0.75	0.065
1/2 x 2	0.535	2	0.065
1/2 x 2-1/2	0.535	2.5	0.065

平垫圈，英制系列

Dimensions in inches : source: ASME B18.21.1 type A Plain Washers table 11
Nominal Washer Size	Series	A basic	B basic	C basic
No. 0 (0.60)	-	0.078	0.188	0.020
No.2 (0.086)	-	0.094	0.250	0.020
No.4 (0.112)	-	0.125	0.312	0.032
No.6 (0.138)	-	0.156	0.375	0.049
No.8 (0.164)	-	0.188	0.438	0.049
No. 10 (0.190)	-	0.219	0.500	0.049
3/16 (0.188)	-	0.250	0.562	0.049
No. 12 (0.216)	-	0.250	0.562	0.65
1/4	N	0.281	0.625	0.065
1/4	W	0.312	0.734	0.065
5/16	N	0.344	0.688	0.065
5/16	W	0.375	0.875	0.083
3/8	N	0.406	0.812	0.065
3/8	W	0.438	1.000	0.083
7/16	N	0.469	0.922	0.065
7/16	W	0.500	1.250	0.083
1/2	N	0.531	0.030	0.095
1/2	W	0.562	1.375	0.109
9/16	N	0.594	1.156	0.095
9/16	W	0.625	1.469	0.109
5/8	N	0.656	1.312	0.095
5/8	W	0.688	1.750	0.134
3/4	N	0.812	1.469	0.134
3/4	W	0.812	2.000	0.148
7/8	N	0.938	1.750	0.134
7/8	W	0.938	2.250	0.165
1	N	1.062	2.000	0.134
1	W	1.062	2.500	0.165
1-1/8	N	1.250	2.250	0.134
1-1/8	W	1.250	2.750	0.165
1-1/4	N	1.375	2.500	0.165
1-1/4	W	1.375	3.000	0.165
1-3/8	N	1.500	2.750	0.165
1-3/8	W	1.500	3.250	0.180
1-1/2	N	1.625	3.000	0.165
1-1/2	W	1.625	3.500	0.180
1-5/8	-	1.750	3.750	0.180
1-3/4	-	1.875	4.000	0.180
1-7/8	-	2.000	4.250	0.180
2	-	2.125	4.500	0.180
2-1/4	-	2.375	4.750	0.220
2-1/2	-	2.625	5.000	0.238
2-3/4	-	2.875	5.250	0.259
3	-	3.125	5.500	0.284


Dimensions in inches : source: ASME B18.21.1 type B Plain Washers table 12
Nominal Washer Size	Series	A basic	B basic	C basic
No. 0 (0.060)	N	0.068	0.125	0.025
	R	0.068	0.188	0.025
	W	0.068	0.25	0.025
No. 1 (0.073	N	0.84	0.156	0.025
	R	0.84	0.219	0.025
	W	0.84	0.281	0.025
No. 2 (0.086)	N	0.094	0.188	0.025
	R	0.094	0.250	0.032
	W	0.094	0.344	0.032
No. 3 (0.99)	N	0.109	0.219	0.025
	R	0.109	0.312	0.032
	W	0.109	0.406	0.040
No. 4 (0.112)	N	0.125	0.250	0.032
	R	0.125	0.375	0.040
	W	0.125	0.438	0.040
No. 5 (0.125)	N	0.141	0.281	0.032
	R	0.141	0.406	0.040
	W	0.141	0.500	0.040
No. 6 (0.138)	N	0.156	0.312	0.032
	R	0.156	0.438	0.040
	W	0.156	0.562	0.040
No. 8 (0.164)	N	0.188	0.375	0.040
	R	0.188	0.500	0.040
	W	0.188	0.625	0.063
No. 10 (0.190)	N	0.203	0.406	0.040
	R	0.203	0.562	0.040
	W	0.203	0.734	0.063
No. 12 (0.206)	N	0.234	0.438	0.040
	R	0.234	0.625	0.063
	W	0.234	0.875	0.063
1/4	N	0.281	0.500	0.063
	R	0.281	0.734	0.063
	W	0.281	1	0.063
5/16	N	0.344	0.625	0.063
	R	0.344	0.875	0.063
	W	0.344	1.125	0.063
3/8	N	0.406	0.734	0.063
	R	0.406	1	0.063
	W	0.406	1.250	0.100
7/16	N	0.469	0.875	0.063
	R	0.469	1.125	0.063
	W	0.469	1.469	0.100
1/2	N	0.531	1	0.063
	R	0.531	1.250	0.100
	W	0.531	1.750	0.100
9/16	N	0.594	1.125	0.063
	R	0.594	1.469	0.100
	W	0.594	2	0.100
5/8	N	0.656	1.250	0.100
	R	0.656	1.750	0.100
	W	0.656	2.250	0.160
3/4	N	0.812	1.375	0.100
	R	0.812	2	0.100
	W	0.812	2.500	0.160
7/8	N	0.938	1.469	0.100
	R	0.938	2.250	0.160
	W	0.938	2.750	0.160
1	N	1.062	1.750	0.100
	R	1.062	2.500	0.160
	W	1.062	3	0.160
1-1/8	N	1.188	2	0.100
	R	1.188	2.750	0.160
	W	1.188	3.250	0.160
1-1/4	N	1.312	2.250	0.160
	R	1.312	3	0.160
	W	1.312	3.500	0.250
1-3/8	N	1.438	2.500	0.160
	R	1.438	3.250	0.160
	W	1.438	3.750	0.250
1-1/2	N	1.562	0.030	0.160
	R	1.562	0.045	0.250
	W	1.562	0.045	0.250
1-5/8	N	1.750	3	0.160
	R	1.750	3.750	0.250
	W	1.750	4.250	0.250
1-3/4	N	1.875	3.250	0.160
	R	1.875	4	0.250
	W	1.875	4.500	0.250
1-7/8	N	2	3.500	0.250
	R	2	4.250	0.250
	W	2	4.750	0.250
2	N	2.125	3.750	0.250
	R	2.125	3.750	0.250
	W	2.125	3.750	0.250
2-1/4	N	2.375	4	0.250
	R	2.375	5	0.250
	W	2.375	5	0.250
2-1/2	N	2.625	4.500	0.250
	R	2.625	5.500	0.375
	W	2.625	6	0.375
2-3/4	N	2.875	5	0.250
	R	2.875	6	0.375
	W	2.875	5.500	0.375
3	N	3.125	5.500	0.375
	R	3.125	6.500	0.375
	W	3.125	7	0.375


Dimensions in inches : source: ASME B18.21.1 Fender Washers table 13
Nominal Washer Size	A basic	B basic	C basic
1/8 x 5/8	0.16	0.625	0.065
1/8 x 3/4	0.16	0.75	0.065
5/32 x 7/8	0.19	0.875	0.065
3/16 x 3/4	0.19	0.75	0.065
3/16 x 1	0.190	1	0.065
3/16 x 1-1/4	0.19	1.25	0.065
3/16 x 1-1/2	0.19	1.5	0.065
1/4 x 1	0.285	1	0.065
1/4 x 1-1/4	0.285	1.25	0.065
1/4 x 1-1/2	0.285	1.5	0.065
1/4 x 1-3/4	0.285	1.761	0.065
1/4 x 2	0.285	2	0.065
5/16 x 7/8	0.348	0.875	0.065
5/16 x 1	0.348	1	0.065
5/16 x 1-1/4	0.348	1.25	0.065
5/16 x 1-1/2	0.348	0.338	0.065
5/16 x 1-3/4	0.348	1.75	0.065
5/16 x 1-5/8	0.348	1.625	0.065
5/16 x 2	0.348	2	0.065
3/8 x 1-1/4	0.410	1.250	0.065
3/8 x 1-1/2	0.410	1.5	0.065
3/8 x1-3/4	0.410	1.75	0.065
3/8 1-5/8	0.410	1.625	0.065
3/8 x 2	0.410	2	0.065
1/2 x 1-1/4	0.535	1.25	0.065
1/2 x 1-1/2	0.535	1.5	0.065
1/2 x 1-3/4	0.535	0.75	0.065
1/2 x 2	0.535	2	0.065
1/2 x 2-1/2	0.535	2.5	0.065

供应商完整列表平垫圈，英制系列

本标准涵盖的A型平垫圈适用于一般用途。A型平垫圈的作用是最大限度地减少嵌入并辅助紧固。

Italy|经销商

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|经销商

Pfitzer Verbindungstechnik Gmbh

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

USA|生产商

A...

Manufacturer of flat washers, belleville disc springs, spacers and special stampings for north America market

USA|生产商

B...

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

China|生产商

B...

Manufacturer of fasteners, specialized in washers and stampings.

China|生产商

D...

Biggest factory in China producing stainless steel washers.

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

Materials: 316L ,316S33,1.4462.

Italy|生产商

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).

UK|生产商