Helical Spring Lockwasher - West Coast Lockwasher - WCL Fasteners

METRIC HELICAL SPRING LOCKWASHERSDIN 127BSQUARE SECTIONDIN 7980NominalWasherSizeInside DiameterAMin. Max.OutsideDiameterBWidthCThicknessDWCLProduct NumberM3 3.1 3.4 6.2 1.2 .7 M3 DIN 127B -T1M4 4.1 4.4 7.6 1.4 .8 M4 DIN 127B -T1M5 5.1 5.4 9.2 1.7 1.1 M5 DIN 127B -T1M6 6.1 6.5 11.8 2.35 1.5 M6 DIN 127B -T1M7 7.1 7.5 12.8 2.35 1.5 M7 DIN 127B -T1M8 8.1 8.5 14.8 2.85 1.9 M8 DIN 127B -T1M10 10.2 10.7 18.1 3.3 2.05 M10 DIN 127B -T1M12 12.2 12.7 21.1 3.8 2.35 M12 DIN 127B -T1M14 14.2 14.7 24.1 4.3 2.85 M14 DIN 127B -T1M16 16.2 17.0 27.4 4.8 3.3 M16 DIN 127B -T1M18 18.2 19.0 29.4 4.8 3.3 M18 DIN 127B -T1M20 20.2 21.2 33.6 5.8 3.8 M20 DIN 127B -T1M22 22.5 23.5 35.9 5.8 3.8 M22 DIN 127B -T1M24 24.5 25.5 40.0 6.75 4.8 M24 DIN 127B -T1M30 30.5 31.7 48.2 7.75 5.8 M30 DIN 127B -T1Specify Material-WCL stocks a variety in carbon steel and stainless.NominalWasherInside DiameterAOutsideDiameterWidthCThicknessDWCLProduct NumberSize Min. Max. BM6 6.1 6.5 9.7 1.4 1.4 M6 DIN 7980 -T1M8 8.2 8.6 12.8 1.9 1.9 M8 DIN 7980 -T1M10 10.2 10.8 16.1 2.35 2.35 M10 DIN 7980 -T1M12 12.2 13.0 18.3 2.35 2.35 M12 DIN 7980 -T1M14 14.2 15.0 21.4 2.8 2.8 M14 DIN 7980 -T1M16 16.2 17.2 24.6 3.3 3.3 M16 DIN 7980 -T1M18 18.2 19.2 26.6 3.3 3.3 M18 DIN 7980 -T1M20 20.2 21.2 30.6 4.3 4.3 M20 DIN 7980 -T1M22 22.5 23.5 32.9 4.3 4.3 M22 DIN 7980 -T1M24 24.5 25.5 35.9 4.8 4.8 M24 DIN 7980 -T1M30 30.5 31.8 44.2 5.8 5.8 M30 DIN 7980 -T1REGULARSECTIONASMEB18.21.2M-1994NominalWasherInside DiameterAOutsideDiameterBWidthCThicknessDWCLProduct NumberSize Min. Max.M2.5 2.55 2.70 4.94 1.02 0.64 M2.5 R -T1M3 3.06 3.21 5.83 1.19 0.79 M3 R -T1M3.5 3.58 3.76 6.35 1.19 0.79 M3.5 R -T1M4 4.08 4.26 7.28 1.40 1.02 M4 R -T1M5 5.08 5.26 8.66 1.57 1.19 M5 R -T1M6 6.10 6.29 12.08 2.77 1.57 M6 R -T1M8 8.13 8.36 14.96 3.18 1.98 M8 R -T1M10 10.13 10.38 17.83 3.58 2.39 M10 R -T1M12 12.15 12.45 21.47 4.34 3.18 M12 R -T1M14 14.20 14.50 24.39 4.78 3.58 M14 R -T1M16 16.25 16.63 27.53 5.16 3.96 M16 R -T1M20 20.28 20.66 33.26 5.94 4.78 M20 R -T1M24 24.30 24.81 39.79 7.14 5.94 M24 R -T1M30 30.51 31.25 49.36 8.74 7.54 M30 R -T1M36 36.61 37.50 58.76 10.31 9.12 M36 R -T1Page 15WEST COAST LOCKWASHER, 16730 East Johnson Drive, P.O. Box 3588 Industry, California 91744 • www.wclco.com • Phone (800) 331-3816 • Fax (626) 369-9805

METRIC HELICAL SPRING LOCKWASHERSHEAVY SECTION ASMEB18.21.2M-1994NominalWasherSizeInside DiameterAMin. Max.OutsideDiameterBWidthCThicknessDWCLProduct NumberM2.5 2.55 2.70 5.29 1.19 0.79 M2.5 HVYM3 3.06 3.21 6.24 1.40 1.02 M3 HVYM3.5 3.58 3.76 6.76 1.40 1.02 M3.5 HVYM4 4.08 4.26 7.64 1.57 1.19 M4 HVYM5 5.08 5.26 9.07 1.78 1.42 M5 HVYM6 6.10 6.29 12.12 2.79 1.96 M6 HVYM8 8.13 8.36 15.22 3.30 2.46 M8 HVYM10 10.13 10.38 18.03 3.68 2.92 M10 HVYM12 12.15 12.45 21.73 4.47 3.84 M12 HVYM14 14.20 14.50 24.64 4.90 4.32 M14 HVYM16 16.25 16.63 27.88 5.33 4.80 M16 HVYM20 20.28 20.66 33.77 6.20 5.74 M20 HVYM24 24.30 24.81 40.66 7.57 7.21 M24 HVYM30 30.51 31.24 50.81 9.47 9.25 M30 HVYM36 36.61 37.50 60.60 11.23 11.18 M36 HVYNote: All data in this catalog is presented as a general guide. Specifications are subject to modification without notice.Extended inactivity may result in discontinuance of individual parts without notice.Page 16WEST COAST LOCKWASHER, 16730 East Johnson Drive, P.O. Box 3588 Industry, California 91744 • www.wclco.com • Phone (800) 331-3816 • Fax (626) 369-9805