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
AB31-77-7.5 6796 30mm 31.000 77.000 7.500 9.800 8.690 1.190 101364
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 0.087 0.197 0.012 0.020 0.016 0.004 32
AB2.2-5-0.4 6796 2mm 0.087 0.197 0.016 0.024 0.020 0.004 76
AB2.7-6-0.4 6796 2.5mm 0.106 0.236 0.016 0.025 0.020 0.004 53
AB2.7-6-0.5 6796 2.5mm 0.106 0.236 0.020 0.028 0.024 0.004 104
AB3.2-7-0.5 6796 3mm 0.126 0.276 0.020 0.029 0.025 0.005 95
AB3.2-7-0.6 6796 3mm 0.126 0.276 0.024 0.033 0.028 0.004 132
AB3.7-8-0.5 6796 3.5mm 0.146 0.315 0.020 0.031 0.027 0.007 103
AB3.7-8-0.8 6796 3.5mm 0.146 0.315 0.031 0.042 0.036 0.005 274
AB4.3-9-0.8 6796 4mm 0.170 0.354 0.031 0.043 0.037 0.006 264
AB4.3-9-1 6796 4mm 0.170 0.354 0.040 0.051 0.044 0.004 438
AB5.3-11-1 6796 5mm 0.210 0.433 0.039 0.055 0.045 0.006 354
AB5.3-11-1.2 6796 5mm 0.210 0.433 0.047 0.061 0.053 0.006 619
AB6.4-14-1.3 6796 6mm 0.255 0.550 0.050 0.067 0.056 0.006 559
AB6.4-14-1.5 6796 6mm 0.255 0.550 0.060 0.079 0.067 0.007 983
AB7.4-17-1.5 6796 7mm 0.291 0.669 0.059 0.078 0.070 0.011 898
AB7.4-17-1.75 6796 7mm 0.291 0.669 0.069 0.091 0.079 0.010 1306
AB8.4-18-2 6796 8mm 0.331 0.710 0.080 0.102 0.088 0.008 1618
AB8.4-21-2.5 6796 8mm 0.331 0.827 0.098 0.118 0.108 0.010 2718
AB10.5-23-2.5 6796 10mm 0.413 0.910 0.100 0.126 0.110 0.010 2495
AB10.5-24-3 6796 10mm 0.413 0.945 0.118 0.145 0.130 0.012 3947
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