Split Lock Washers for Socket Head Screws

157 products

Split Lock Washers for Socket Head Screws

Split Lock Washers for Socket Head Screws are critical components in preventing fastener loosening due to vibration, thermal expansion, or dynamic loads. Our selection includes split, tooth, and wedge-lock designs manufactured from high-strength materials like spring steel and stainless steel. These washers provide a reliable mechanical lock by creating tension or biting into the mating surface, ensuring long-term structural integrity in automotive, aerospace, and heavy machinery applications. Engineered to meet rigorous industrial standards, they offer exceptional performance in high-vibration environments.

Part Number Material For Screw Size ID OD Thickness Washer Type Hardness Specifications Met Fastener Strength Grade/Class
1310FA00087 18-8 Stainless Steel 1" 1.024" 1.478" 0.25" Split Lock Rockwell C35 ASME B18.21.1 -
1310FA00079 18-8 Stainless Steel 1/2" 0.512" 0.733" 0.172" Split Lock Rockwell C35 ASME B18.21.1 -
1310FA00076 18-8 Stainless Steel 1/4" 0.26" 0.363" 0.078" Split Lock Rockwell C35 ASME B18.21.1 -
1310FA00081 18-8 Stainless Steel 3/4" 0.766" 1.105" 0.218" Split Lock Rockwell C35 ASME B18.21.1 -
1310FA00078 18-8 Stainless Steel 3/8" 0.385" 0.55" 0.125" Split Lock Rockwell C35 ASME B18.21.1 -
1310FA00077 18-8 Stainless Steel 5/16" 0.322" 0.457" 0.093" Split Lock Rockwell C35 ASME B18.21.1 -
1310FA00080 18-8 Stainless Steel 5/8" 0.641" 0.917" 0.203" Split Lock Rockwell C35 ASME B18.21.1 -
1310FA00084 18-8 Stainless Steel 7/16" 0.45" 0.644" 0.140" Split Lock Rockwell C35 ASME B18.21.1 -
1310FA00082 18-8 Stainless Steel 7/8" 0.894" 1.291" 0.234" Split Lock Rockwell C35 ASME B18.21.1 -
1311FA00007 18-8 Stainless Steel M10 10.7 mm 16 mm 2.3-2.7 mm Split Lock Not Rated DIN 7980 -
1311FA00008 18-8 Stainless Steel M12 12.7 mm 18 mm 2.3-2.7 mm Split Lock Not Rated DIN 7980 -
1311FA00009 18-8 Stainless Steel M14 14.7 mm 21.1 mm 2.8-3.2 mm Split Lock Not Rated DIN 7980 -
1311FA00010 18-8 Stainless Steel M16 17 mm 24.4 mm 3.3-3.7 mm Split Lock Not Rated DIN 7980 -
1311FA00011 18-8 Stainless Steel M18 19 mm 26.4 mm 3.3-3.7 mm Split Lock Not Rated DIN 7980 -
1311FA00012 18-8 Stainless Steel M20 21.2 mm 30.6 mm 4.3-4.7 mm Split Lock Not Rated DIN 7980 -
1311FA00013 18-8 Stainless Steel M22 23.5 mm 32.9 mm 4.3-4.7 mm Split Lock Not Rated DIN 7980 -
1311FA00014 18-8 Stainless Steel M24 25.5 mm 35.9 mm 4.8-5.2 mm Split Lock Not Rated DIN 7980 -
1311FA00001 18-8 Stainless Steel M3 3.4 mm 5.6 mm 0.9-1.1 mm Split Lock Not Rated DIN 7980 -
1311FA00002 18-8 Stainless Steel M3.5 3.9 mm 6.1 mm 0.9-1.1 mm Split Lock Not Rated DIN 7980 -
1311FA00015 18-8 Stainless Steel M30 31.7 mm 44.1 mm 5.8-6.2 mm Split Lock Not Rated DIN 7980 -
1311FA00003 18-8 Stainless Steel M4 4.4 mm 7 mm 1.1-1.3 mm Split Lock Not Rated DIN 7980 -
1311FA00004 18-8 Stainless Steel M5 5.4 mm 8.8 mm 1.5-1.7 mm Split Lock Not Rated DIN 7980 -
1311FA00005 18-8 Stainless Steel M6 6.5 mm 9.9 mm 1.5-1.7 mm Split Lock Not Rated DIN 7980 -
1311FA00006 18-8 Stainless Steel M8 8.5 mm 12.7 mm 1.9-2.1 mm Split Lock Not Rated DIN 7980 -
1310FA00075 18-8 Stainless Steel No. 10 0.2" 0.294" 0.047" Split Lock Rockwell C35 ASME B18.21.1 -
1310FA00086 18-8 Stainless Steel No. 12 0.227" 0.331" 0.078" Split Lock Rockwell C35 - -
1310FA00085 18-8 Stainless Steel No. 2 0.094" 0.142" 0.022" Split Lock Rockwell C35 - -
1310FA00072 18-8 Stainless Steel No. 4 0.12" 0.173" 0.022" Split Lock Rockwell C35 ASME B18.21.1 -
1310FA00083 18-8 Stainless Steel No. 5 0.133" 0.202" 0.030" Split Lock Rockwell C35 ASME B18.21.1 -
1310FA00073 18-8 Stainless Steel No. 6 0.148" 0.216" 0.030" Split Lock Rockwell C35 ASME B18.21.1 -
1310FA00074 18-8 Stainless Steel No. 8 0.174" 0.267" 0.047" Split Lock Rockwell C35 ASME B18.21.1 -
1310FA00071 316 Stainless Steel 1 1/2" 1.534" 2.159" 0.375" Split Lock Rockwell C35 ASME B18.21.1 -
1310FA00070 316 Stainless Steel 1 1/4" 1.28" 1.79" 0.313" Split Lock Rockwell C35 ASME B18.21.1 -
1310FA00069 316 Stainless Steel 1" 1.024" 1.478" 0.25" Split Lock Rockwell C35 ASME B18.21.1 -
1310FA00065 316 Stainless Steel 1/2" 0.512" 0.733" 0.172" Split Lock Rockwell C35 ASME B18.21.1 -
1310FA00061 316 Stainless Steel 1/4" 0.26" 0.363" 0.078" Split Lock Rockwell C35 ASME B18.21.1 -
1310FA00067 316 Stainless Steel 3/4" 0.766" 1.105" 0.218" Split Lock Rockwell C35 ASME B18.21.1 -
1310FA00063 316 Stainless Steel 3/8" 0.385" 0.55" 0.125" Split Lock Rockwell C35 ASME B18.21.1 -
1310FA00062 316 Stainless Steel 5/16" 0.322" 0.457" 0.093" Split Lock Rockwell C35 ASME B18.21.1 -
1310FA00066 316 Stainless Steel 5/8" 0.641" 0.917" 0.203" Split Lock Rockwell C35 ASME B18.21.1 -
1310FA00064 316 Stainless Steel 7/16" 0.45" 0.644" 0.140" Split Lock Rockwell C35 ASME B18.21.1 -
1310FA00068 316 Stainless Steel 7/8" 0.894" 1.291" 0.234" Split Lock Rockwell C35 ASME B18.21.1 -
1311FA00062 316 Stainless Steel M10 10.7 mm 16 mm 2.3-2.7 mm Split Lock Not Rated DIN 7980 -
1311FA00063 316 Stainless Steel M12 12.7 mm 18 mm 2.3-2.7 mm Split Lock Not Rated DIN 7980 -
1311FA00064 316 Stainless Steel M14 14.7 mm 21.1 mm 2.8-3.2 mm Split Lock Not Rated DIN 7980 -
1311FA00065 316 Stainless Steel M16 17 mm 24.4 mm 3.3-3.7 mm Split Lock Not Rated DIN 7980 -
1311FA00066 316 Stainless Steel M18 19 mm 26.4 mm 3.3-3.7 mm Split Lock Not Rated DIN 7980 -
1311FA00067 316 Stainless Steel M20 21.2 mm 30.6 mm 4.3-4.7 mm Split Lock Not Rated DIN 7980 -
1311FA00068 316 Stainless Steel M22 23.5 mm 32.9 mm 4.3-4.7 mm Split Lock Not Rated DIN 7980 -
1311FA00069 316 Stainless Steel M24 25.5 mm 35.9 mm 4.8-5.2 mm Split Lock Not Rated DIN 7980 -
1311FA00057 316 Stainless Steel M3 3.4 mm 5.6 mm 0.9-1.1 mm Split Lock Not Rated DIN 7980 -
1311FA00070 316 Stainless Steel M30 31.7 mm 44.1 mm 5.8-6.2 mm Split Lock Not Rated DIN 7980 -
1311FA00058 316 Stainless Steel M4 4.4 mm 7 mm 1.1-1.3 mm Split Lock Not Rated DIN 7980 -
1311FA00059 316 Stainless Steel M5 5.4 mm 8.8 mm 1.5-1.7 mm Split Lock Not Rated DIN 7980 -
1311FA00060 316 Stainless Steel M6 6.5 mm 9.9 mm 1.5-1.7 mm Split Lock Not Rated DIN 7980 -
1311FA00061 316 Stainless Steel M8 8.5 mm 12.7 mm 1.9-2.1 mm Split Lock Not Rated DIN 7980 -
1310FA00060 316 Stainless Steel No. 10 0.2" 0.294" 0.047" Split Lock Rockwell C35 ASME B18.21.1 -
1310FA00055 316 Stainless Steel No. 2 0.094" 0.142" 0.022" Split Lock Rockwell C35 - -
1310FA00056 316 Stainless Steel No. 4 0.12" 0.173" 0.022" Split Lock Rockwell C35 ASME B18.21.1 -
1310FA00057 316 Stainless Steel No. 5 0.133" 0.202" 0.030" Split Lock Rockwell C35 ASME B18.21.1 -
1310FA00058 316 Stainless Steel No. 6 0.148" 0.216" 0.030" Split Lock Rockwell C35 ASME B18.21.1 -
1310FA00059 316 Stainless Steel No. 8 0.174" 0.267" 0.047" Split Lock Rockwell C35 ASME B18.21.1 -
1311FA00028 Black Steel M22 23.5 mm 32.9 mm 4.3-4.7 mm Split Lock Rockwell C44 DIN 7980 -
1311FA00029 Black Steel M24 25.5 mm 35.9 mm 4.8-5.2 mm Split Lock Rockwell C44 DIN 7980 -
1311FA00031 Black Steel M27 28.5 mm 38.9 mm 4.8-5.2 mm Split Lock Rockwell C44 DIN 7980 -
1311FA00033 Black Steel M30 31.7 mm 44.1 mm 5.8-6.2 mm Split Lock Rockwell C44 DIN 7980 -
1311FA00034 Black Steel M36 37.7 mm 52.2 mm 6.7-7.3 mm Split Lock Rockwell C44 DIN 7980 -
1310FA00052 Black-Oxide 18-8 Stainless Steel 1/2" 0.512" 0.733" 0.172" Split Lock Rockwell C35 ASME B18.21.1 -
1310FA00049 Black-Oxide 18-8 Stainless Steel 1/4" 0.26" 0.363" 0.078" Split Lock Rockwell C35 ASME B18.21.1 -
1310FA00054 Black-Oxide 18-8 Stainless Steel 3/4" 0.766" 1.105" 0.218" Split Lock Rockwell C35 ASME B18.21.1 -
1310FA00051 Black-Oxide 18-8 Stainless Steel 3/8" 0.385" 0.55" 0.125" Split Lock Rockwell C35 ASME B18.21.1 -
1310FA00050 Black-Oxide 18-8 Stainless Steel 5/16" 0.322" 0.457" 0.093" Split Lock Rockwell C35 ASME B18.21.1 -
1310FA00053 Black-Oxide 18-8 Stainless Steel 5/8" 0.641" 0.917" 0.203" Split Lock Rockwell C35 ASME B18.21.1 -
1310FA00048 Black-Oxide 18-8 Stainless Steel No. 10 0.2" 0.294" 0.047" Split Lock Rockwell C35 ASME B18.21.1 -
1310FA00045 Black-Oxide 18-8 Stainless Steel No. 4 0.12" 0.173" 0.022" Split Lock Rockwell C35 ASME B18.21.1 -
1310FA00046 Black-Oxide 18-8 Stainless Steel No. 6 0.148" 0.216" 0.030" Split Lock Rockwell C35 ASME B18.21.1 -
1310FA00047 Black-Oxide 18-8 Stainless Steel No. 8 0.174" 0.267" 0.047" Split Lock Rockwell C35 ASME B18.21.1 -
1310FA00042 Black-Oxide Steel 1 1/4" 1.28" 1.79" 0.313" Split Lock Rockwell C38 ASME B18.21.1 -
1310FA00041 Black-Oxide Steel 1 1/8" 1.153" 1.663" 0.313" Split Lock Rockwell C38 ASME B18.21.1 -
1310FA00040 Black-Oxide Steel 1" 1.024" 1.478" 0.25" Split Lock Rockwell C38 ASME B18.21.1 -
1310FA00036 Black-Oxide Steel 1/2" 0.512" 0.733" 0.172" Split Lock Rockwell C38 ASME B18.21.1 -
1310FA00032 Black-Oxide Steel 1/4" 0.26" 0.363" 0.078" Split Lock Rockwell C38 ASME B18.21.1 -
1310FA00038 Black-Oxide Steel 3/4" 0.766" 1.105" 0.218" Split Lock Rockwell C38 ASME B18.21.1 -
1310FA00034 Black-Oxide Steel 3/8" 0.385" 0.55" 0.125" Split Lock Rockwell C38 ASME B18.21.1 -
1310FA00033 Black-Oxide Steel 5/16" 0.322" 0.457" 0.093" Split Lock Rockwell C38 ASME B18.21.1 -
1310FA00037 Black-Oxide Steel 5/8" 0.641" 0.917" 0.203" Split Lock Rockwell C38 ASME B18.21.1 -
1310FA00035 Black-Oxide Steel 7/16" 0.45" 0.644" 0.140" Split Lock Rockwell C38 ASME B18.21.1 -
1310FA00039 Black-Oxide Steel 7/8" 0.984" 1.291" 0.234" Split Lock Rockwell C38 ASME B18.21.1 -
1311FA00022 Black-Oxide Steel M10 10.7 mm 16 mm 2.3-2.7 mm Split Lock Rockwell C44 DIN 7980 -
1311FA00023 Black-Oxide Steel M12 12.7 mm 18 mm 2.3-2.7 mm Split Lock Rockwell C44 DIN 7980 -
1311FA00024 Black-Oxide Steel M14 14.7 mm 21.1 mm 2.8-3.2 mm Split Lock Rockwell C44 DIN 7980 -
1311FA00025 Black-Oxide Steel M16 17 mm 24.4 mm 3.3-3.7 mm Split Lock Rockwell C44 DIN 7980 -
1311FA00026 Black-Oxide Steel M18 19 mm 26.4 mm 3.3-3.7 mm Split Lock Rockwell C44 DIN 7980 -
1311FA00027 Black-Oxide Steel M20 21.2 mm 30.6 mm 4.3-4.7 mm Split Lock Rockwell C44 DIN 7980 -
1311FA00016 Black-Oxide Steel M3 3.4 mm 5.6 mm 0.9-1.1 mm Split Lock Rockwell C44 DIN 7980 -
1311FA00017 Black-Oxide Steel M3.5 3.9 mm 6.1 mm 0.9-1.1 mm Split Lock Rockwell C44 DIN 7980 -
1311FA00018 Black-Oxide Steel M4 4.4 mm 7 mm 1.1-1.3 mm Split Lock Rockwell C44 DIN 7980 -
1311FA00032 Black-Oxide Steel M42 43.7 mm 60.2 mm 7.7-8.3 mm Split Lock Rockwell C44 DIN 7980 -
1311FA00030 Black-Oxide Steel M48 50.5 mm 67 mm 7.7-8.3 mm Split Lock Rockwell C44 DIN 7980 -
1311FA00019 Black-Oxide Steel M5 5.4 mm 8.8 mm 1.5-1.7 mm Split Lock Rockwell C44 DIN 7980 -
🔍
Cancel