Load Washers

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American Belleville Load Washers, also known as Heavy Duty Safety Washers, are designed for use in static bolting applications where requirements for higher axial loads than those of traditional Belleville Washers, are present. They are configured for optimal use with Grade 5 bolts, and manufactured in accordance with the specifications outlined in the European DIN 6796.

These load washers are not pre-set, and therefore are listed with two separate Overall Height (OH) specifications. First the “as-received” height, and then the expected overall height, once initially loaded to flat.

Available materials include:

  • High-carbon Steel Alloy AISI 1060-1075 (DIN 17221 or 17222)
  • AISI 6150 (50CrV4 / 51CrV4) Chrome Vanadium Steel (ASTM A506)
  • 301 Stainless Steel (ASTM A666)
  • 17/7PH Stainless Steel (ASTM A693)

Our material selection will accommodate working temperatures from -400 deg. F to 500 deg. F, various corrosive environments and magnetism requirements.

Additionally, several plating/finish options can achieve desired aesthetics and ensure proper resistance to environmental elements that would otherwise affect performance and longevity.

We will work closely with you to specify or design, and then manufacture the proper part for your application. Contact us online or call 440-721-8350.

Load Washers - Search
Item ID DIN Spec Bolt Size ID (Min) OD (Max) THK (Nom) Height as Received Height After Loading Deflection Flat Load
AB2.2-5-0.3 6796 2mm 2.200 5.000 0.300 0.500 0.400 0.100 142
AB2.2-5-0.4 6796 2mm 2.200 5.000 0.400 0.600 0.500 0.100 338
AB2.7-6-0.4 6796 2.5mm 2.700 6.000 0.400 0.620 0.500 0.100 236
AB2.7-6-0.5 6796 2.5mm 2.700 6.000 0.500 0.720 0.610 0.110 462
AB3.2-7-0.5 6796 3mm 3.200 7.000 0.500 0.740 0.620 0.120 422
AB3.2-7-0.6 6796 3mm 3.200 7.000 0.600 0.850 0.720 0.120 587
AB3.7-8-0.5 6796 3.5mm 3.700 8.000 0.500 0.800 0.700 0.200 458
AB3.7-8-0.8 6796 3.5mm 3.700 8.000 0.800 1.060 0.920 0.120 1218
AB4.3-9-0.8 6796 4mm 4.300 9.000 0.800 1.100 0.940 0.140 1173
AB4.3-9-1 6796 4mm 4.300 9.000 1.000 1.300 1.120 0.120 1947
AB5.3-11-1 6796 5mm 5.300 11.000 1.000 1.400 1.140 0.140 1574
AB5.3-11-1.2 6796 5mm 5.300 11.000 1.200 1.550 1.350 0.150 2751
AB6.4-14-1.3 6796 6mm 6.500 14.000 1.300 1.700 1.420 0.120 2485
AB6.4-14-1.5 6796 6mm 6.500 14.000 1.500 2.000 1.700 0.200 4369
AB7.4-17-1.5 6796 7mm 7.400 17.000 1.500 2.000 1.750 0.250 3992
AB7.4-17-1.75 6796 7mm 7.400 17.000 1.800 2.300 2.000 0.200 5805
AB8.4-18-2 6796 8mm 8.400 18.000 2.000 2.600 2.240 0.240 7192
AB8.4-21-2.5 6796 8mm 8.400 21.000 2.500 3.000 2.740 0.240 12082
AB10.5-23-2.5 6796 10mm 10.500 23.000 2.500 3.200 2.800 0.300 11090
AB10.5-24-3 6796 10mm 10.500 24.000 3.000 3.680 3.000 0.000 17544
Item ID DIN Spec Bolt Size ID (Min) OD (Max) THK (Nom) Height as Received Height After Loading Deflection Flat Load
AB13-29-2.5 6796 12mm 0.512 1.140 0.100 0.130 0.116 0.016 2339
AB13-29-3 6796 12mm 0.512 1.140 0.120 0.156 0.135 0.015 3857
AB13-32-3.5 6796 12mm 0.512 1.260 0.138 0.169 0.155 0.017 4908
AB15-35-3 6796 14mm 0.591 1.380 0.118 0.157 0.141 0.023 3525
AB15-35-3.5 6796 14mm 0.591 1.380 0.138 0.183 0.159 0.021 5147
AB15-39-4 6796 14mm 0.591 1.530 0.157 0.197 0.181 0.024 6806
AB17-39-3.5 6796 16mm 0.670 1.530 0.138 0.185 0.162 0.024 4768
AB17-39-4 6796 16mm 0.670 1.530 0.160 0.207 0.180 0.020 6729
AB17-42-4.5 6796 16mm 0.670 1.650 0.177 0.224 0.200 0.023 8323
AB19-42-4.5 6796 18mm 0.748 1.650 0.177 0.228 0.200 0.023 8438
AB19-47-5 6796 18mm 0.748 1.850 0.197 0.244 0.222 0.025 9709
AB21-45-5 6796 20mm 0.827 1.770 0.200 0.252 0.220 0.020 10546
AB21-52-5.5 6796 20mm 0.827 2.050 0.216 0.286 0.246 0.030 12540
AB23-49-5.5 6796 22mm 0.910 1.930 0.220 0.278 0.242 0.022 12618
AB23-56-6 6796 22mm 0.910 2.200 0.236 0.311 0.267 0.031 14638
AB25-56-6 6796 24mm 0.984 2.200 0.240 0.305 0.267 0.027 15064
AB25-62-6.5 6796 24mm 0.984 2.440 0.256 0.335 0.291 0.035 17118
AB28-60-6.5 6796 27mm 1.100 2.360 0.260 0.329 0.287 0.027 17080
AB28-70-7 6796 27mm 1.100 2.750 0.275 0.361 0.317 0.042 19947
AB31-70-7 6796 30mm 1.220 2.750 0.280 0.362 0.315 0.035 19342
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