Corrosion Resistant Lock Washers

United Titanium manufactures and inventories lock washers from #2 to 3” diameter. We also offer metric lock washers upon request. These washers are manufactured to the most recent ASME B18.21.1, IFI, or customer stated standards.  Our inventory is home to thousands of these lock washers in any of our various materials alloy C-276, grade 2 titanium, grade 5 titanium, grade 7 titanium and zirconium 702.

Lock Washers Specifications

  • STANDARD (ASME/ANSI)
  • METRIC (IFI)

Dimensions

 

  A B T W BW
NOMINAL
WASHER SIZE
INSIDE DIAMETER OUTSIDE
DIAMETER
MEAN SECTION
THICKNESS
(To + Ti)/2
SECTION
WIDTH
BREARING
WIDTH
  MAX MIN MAX MIN MIN MIN
No. 2 0.086 0.094 0.088 0.172 0.020 0.035 0.024
No. 3 0.099 0.107 0.101 0.195 0.025 0.040 0.028
No. 4 0.112 0.120 0.114 0.209 0.025 0.040 0.028
No. 5 0.125 0.133 0.127 0.236 0.031 0.047 0.033
No. 6 0.138 0.148 0.141 0.250 0.031 0.047 0.033
No. 8 0.164 0.174 0.167 0.293 0.040 0.055 0.038
No. 10 0.190 0.200 0.193 0.334 0.047 0.062 0.043
No. 12 0.216 0.227 0.220 0.377 0.056 0.070 0.049
1/4 0.250 0.260 0.252 0.487 0.062 0.109 0.076
5/16 0.3125 0.322 0.314 0.583 0.078 0.125 0.087
3/8 0.375 0.385 0.377 0.680 0.094 0.141 0.099
7/16 0.4375 0.450 0.440 0.776 0.109 0.156 0.109
1/2 0.500 0.512 0.502 0.869 0.125 0.171 0.120
9/16 0.5625 0.574 0.564 0.965 0.141 0.188 0.132
5/8 0.625 0.641 0.628 1.073 0.156 0.203 0.142
11/16 0.6875 0.704 0.691 1.170 0.172 0.219 0.153
3/4 0.750 0.766 0.753 1.265 0.188 0.234 0.164
13/16 0.8125 0.832 0.816 1.363 0.203 0.250 0.175
7/8 0.875 0.894 0.878 1.459 0.219 0.266 0.186
15/16 0.9375 0.958 0.941 1.556 0.234 0.281 0.197
1 1.000 1.024 1.003 1.656 0.250 0.297 0.208
1-1/16 1.0625 1.087 1.066 1.751 0.266 0.312 0.218
1-1/8 1.125 1.153 1.129 1.847 0.281 0.328 0.230
1-3/16 1.1875 1.217 1.192 1.943 0.297 0.344 0.241
1-1/4 1.250 2.280 1.254 2.036 0.312 0.359 0.251
1-5/16 1.3125 1.344 1.317 2.133 0.328 0.375 0.262
1-3/8 1.375 1.408 1.379 2.219 0.344 0.391 0.274
1-7/16 1.4375 1.472 1.442 2.324 0.359 0.406 0.284
1-1/2 1.500 1.534 1.504 2.419 0.375 0.422 0.295
1-5/8 1.625 1.663 1.633 2.553 0.389 0.424 0.297
1-3/4 1.750 1.789 1.758 2.679 0.389 0.424 0.297
1-7/8 1.875 1.914 1.883 2.811 0.422 0.427 0.299
2 2.000 2.039 2.008 2.936 0.422 0.427 0.299
2-1/4 2.250 2.293 2.262 3.221 0.440 0.442 0.309
2-1/2 2.500 2.543 2.512 2.471 0.440 0.442 0.309

 

Materials

TITANIUM ZIRCONIUM ALLOY TANTALUM
CP-TI (GR. 2) 702 600 UT35N  
6AL-4V (GR. 5) 705 625 556  
TI-PD (GR. 7)   825 718  
TI CODE 12 (GR. 12)   C276 AL6XN  
6AL-4V ELI (GR. 23)   C22 2205  
    B2 686  
    B3 255  
         

Specifications

Our lock washer dimensions are listed in inches, but we also offer metric lock washers upon request. If you don't see the size you need, you can request a custom quote

Inventory List

Sort by Material
1-01-321-00.00
#2 LOCK WASHER TI GR 2
In Stock
1-01-322-00.00
#4 LOCK WASHER TI GR 2
In Stock
1-01-324-00.00
#6 LOCK WASHER TI GR 2
In Stock
1-01-325-00.00
#8 LOCK WASHER TI GR 2
In Stock
1-01-326-00.00
#10 LOCK WASHER TI GR 2
In Stock
1-01-327-00.00
1/4 LOCK WASHER TI GR 2
In Stock
1-01-328-00.00
5/16 LOCK WASHER TI GR 2
In Stock
1-01-329-00.00
3/8 LOCK WASHER TI GR 2
In Stock
1-01-341-00.00
7/16 LOCK WASHER TI GR 2
In Stock
1-01-342-00.00
1/2 LOCK WASHER TI GR 2
In Stock
1-01-343-00.00
5/8 LOCK WASHER TI GR 2
In Stock
1-01-344-00.00
3/4 LOCK WASHER TI GR 2
In Stock
1-01-345-00.00
7/8 LOCK WASHER TI GR 2
In Stock
1-01-346-00.00
1 LOCK WASHER TI GR 2
In Stock
1-01-347-00.00
1-1/8 LOCK WASHER TI GR 2
In Stock
1-01-348-00.00
1-1/4 LOCK WASHER TI GR 2
In Stock
1-02-326-00.00
#10 LOCK WASHER TI GR 5
Available
1-02-327-00.00
1/4 LOCK WASHER TI GR 5
Available
1-02-328-00.00
5/16 LOCK WASHER TI GR 5
In Stock
1-02-329-00.00
3/8 LOCK WASHER TI GR 5
In Stock
1-02-342-00.00
1/2 LOCK WASHER TI GR 5
Available
1-02-343-00.00
5/8 LOCK WASHER TI GR 5
In Stock
1-02-344-00.00
3/4 LOCK WASHER TI GR 5
Available
1-02-346-00.00
1" LOCK WASHER TI GR 5
In Stock
1-03-327-00.00
1/4 LOCK WASHER TI GR 7
In Stock
1-03-328-00.00
5/16 LOCK WASHER TI GR 7
Available
1-03-329-00.00
3/8 LOCK WASHER TI GR 7
In Stock
1-03-342-00.00
1/2 LOCK WASHER TI GR 7
In Stock
1-03-343-00.00
5/8 LOCK WASHER TI GR 7
In Stock
1-03-344-00.00
3/4 LOCK WASHER TI GR 7
In Stock
1-04-327-00.00
1/4 LOCK WASHER ZIRC 702
In Stock
1-04-329-00.00
3/8 LOCK WASHER ZIRC 702
In Stock
1-04-342-00.00
1/2 LOCK WASHER ZIRC 702
In Stock
1-04-343-00.00
5/8 LOCK WASHER ZIRC 702
In Stock
1-04-344-00.00
3/4 LOCK WASHER ZIRC 702
In Stock
1-04-345-00.00
7/8 LOCK WASHER ZIRC 702
Available
1-14-322-00.00
#4 LOCK WASHER C-276
Available
1-14-324-00.00
#6 LOCK WASHER C-276
In Stock
1-14-325-00.00
#8 LOCK WASHER C-276
In Stock
1-14-326-00.00
#10 LOCK WASHER C-276
In Stock
1-14-326-40.00
#10 LOCK WASHER .308 OD C-276
Available
1-14-327-00.00
1/4 LOCK WASHER C-276
In Stock
1-14-327-40.00
1/4 LOCK WASHER, HIGH COLLAR C-276
In Stock
1-14-328-00.00
5/16 LOCK WASHER C-276
In Stock
1-14-328-40.00
5/16 LOCK WASHER, HIGH COLLAR C-276
In Stock
1-14-329-00.00
3/8 LOCK WASHER C-276
In Stock
1-14-341-00.00
7/16 LOCK WASHER C-276
In Stock
1-14-342-00.00
1/2 LOCK WASHER C-276
In Stock
1-14-343-00.00
5/8 LOCK WASHER C-276
In Stock
1-14-344-00.00
3/4 LOCK WASHER C-276
In Stock
1-14-345-00.00
7/8 LOCK WASHER C-276
In Stock
1-14-346-00.00
1 LOCK WASHER C-276
In Stock
1-14-347-00.00
1-1/8 LOCK WASHER C-276
Available
1-14-348-00.00
1-1/4 LOCK WASHER C-276
In Stock
1-14-349-00.00
1-1/2 LOCK WASHER C-276
Available