| Product | Double Coil Spring Washers (Double Coil Elastic Washers) |
| Raw Material | 60Si2Mn |
| Surface | Plain, Oxide Black, Hot-dip galvanizing, Dacromet, Sherardizing, or other upon requirements |
| Standards | UIC, AREMA, BS, RDSO, DIN, JIS, ISCR, GB, VALEC, GOSTR- EASC, GB/T or other upon requirements |
| Weight | Depend on different models |
| Dimension | Depend on different models |
| Package | Moven bag, Box or other upon requirements |
| Delivery | Depends on order |
| Item | Usage | Weight(kg) | Size | Remarks |
| 1-1/8" A.R.E.A. railroad lock washer | for use with 1-1/8" BHON track bolts | 0.4200 | A.R.E.A. railroad lock washer is referred to as AREMA or AREA lock washers | |
| 3/4" A.R.E.A. railroad lock washer | 3/4" BHON track bolts | 0.2100 |
A.R.E.A. railroad lock washer is referred to as AREMA or AREA lock washers | |
| 7/8" A.R.E.A. railroad lock washer | 7/8" BHON track bolts. | 0.4500 | A.R.E.A. railroad lock washer is referred to as AREMA or AREA lock washers | |
| 1" A.R.E.A. railroad lock washer | 1" BHON track bolts | 0.5000 | A.R.E.A. railroad lock washer is referred to as AREMA or AREA lock washers | |
| 5/8" Extra heavy duty lock washer | for use with 5/8" BHON track bolts | 0.1800 |
with O.D. of 1.151" width of 0.242" and thickness of 0.202" | Per ANSI / ASME B18.21.1-1994 |
| 1/2" Extra heavy duty lock washer | for use with 1/2" BHON track bolts | 0.1500 | with O.D. of 0.935" width of 0.204" and thickness of 0.162" | Per ANSI / ASME B18.21.1-1994 |
| 1-1/8" Extra Heavy ASME railroad lock washer | for use with 1-1/8" BHON track bolts | 0.2300 | with O.D. of 2.013" width of 0.411" and thickness of 0.375" | Per ANSI / ASME B18.21.1-1994 |
| 1" Extra heavy duty lock washer | for use with 1" BHON track bolts | 0.3000 | with O.D. of 1.794" width of 0.366" and thickness of 0.330". | Per ANSI / ASME B18.21.1-1994 |
| 7/8" Extra heavy duty lock washer | for use with 7/8" BHON track bolts | 0.2500 | with O.D. of 1.571" width of 0.322" and thickness of 0.285" | Per ANSI / ASME B18.21.1-1994 |
| 3/4" Extra heavy duty lock washer | for use with 3/4" BHON track bolts | 0.2000 | with O.D. of 1.355" width of 0.279" and thickness of 0.241" |
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EN