PETROCHEMICAL
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SPRING WASHERS (IMPERIAL)
SQUAR SQUARE SECTION BS1802
| DIA | D1 (MIN) | D1 (MAX) | D2 (MAX) | S | SWG |
|---|---|---|---|---|---|
| 1/8 | 0.137 | 0.129 | 0.205 | 0.032 | 21.00 |
| 5/32 | 0.170 | 0.160 | 0.252 | 0.040 | 19.00 |
| 3/16 | 0.202 | 0.192 | 0.330 | 0.064 | 16.00 |
| 1/4 | 0.267 | 0.255 | 0.425 | 0.072 | 15.00 |
| 5/16 | 0.334 | 0.320 | 0.503 | 0.080 | 14.00 |
| 3/8 | 0.399 | 0.383 | 0.590 | 0.092 | 13.00 |
| 7/16 | 0.461 | 0.445 | 0.677 | 0.104 | 12.00 |
| 1/2 | 0.524 | 0.508 | 0.763 | 0.116 | 11.00 |
| 9/16 | 0.590 | 0.570 | 0.880 | 0.128 | 10.00 |
| 5/8 | 0.660 | 0.636 | 0.976 | 0.144 | 9.00 |
| 3/4 | 0.790 | 0.762 | 1.165 | 0.176 | 7.00 |
| 7/8 | 0.925 | 0.890 | 1.360 | 0.212 | 5.00 |
| 1 | 1.052 | 1.016 | 1.526 | 0.232 | 4.00 |
| 1.1/8 | 1.184 | 1.145 | 1.690 | 0.252 | 3.00 |
PLATE & BOLT DATA
1/8
D1 (MIN)0.137
D1 (MAX)0.129
D2 (MAX)0.205
S0.032
SWG21.00
5/32
D1 (MIN)0.170
D1 (MAX)0.160
D2 (MAX)0.252
S0.040
SWG19.00
3/16
D1 (MIN)0.202
D1 (MAX)0.192
D2 (MAX)0.330
S0.064
SWG16.00
1/4
D1 (MIN)0.267
D1 (MAX)0.255
D2 (MAX)0.425
S0.072
SWG15.00
5/16
D1 (MIN)0.334
D1 (MAX)0.320
D2 (MAX)0.503
S0.080
SWG14.00
3/8
D1 (MIN)0.399
D1 (MAX)0.383
D2 (MAX)0.590
S0.092
SWG13.00
7/16
D1 (MIN)0.461
D1 (MAX)0.445
D2 (MAX)0.677
S0.104
SWG12.00
1/2
D1 (MIN)0.524
D1 (MAX)0.508
D2 (MAX)0.763
S0.116
SWG11.00
9/16
D1 (MIN)0.590
D1 (MAX)0.570
D2 (MAX)0.880
S0.128
SWG10.00
5/8
D1 (MIN)0.660
D1 (MAX)0.636
D2 (MAX)0.976
S0.144
SWG9.00
3/4
D1 (MIN)0.790
D1 (MAX)0.762
D2 (MAX)1.165
S0.176
SWG7.00
7/8
D1 (MIN)0.925
D1 (MAX)0.890
D2 (MAX)1.360
S0.212
SWG5.00
1
D1 (MIN)1.052
D1 (MAX)1.016
D2 (MAX)1.526
S0.232
SWG4.00
1-1/8
D1 (MIN)1.184
D1 (MAX)1.145
D2 (MAX)1.690
S0.252
SWG3.00
Dimensions in inches
Available in Mild Steel and A2 & A4 Stainless Steel
Other materials manufactured on request