Flat wire spring

ISO JIS

Extremely heavy load Heavy Duty Large compression spring Light load Medium load

Silicon chrome alloy steel Silicon chrome steel

20 30 32 37.5 40 45 50 65 twenty four

10 12.5 16 20 25 32 40 50 63

8 10 10.5 12 12.5 14 14.5 16 17 18 20 21 22 25 26 27 30 31 32 35 37 39 40 43 46 50 60 70

4 5 6 7 8 8.5 9 10 10.5 11 12.5 13 13.5 15 16 16.5 17.5 20 21 25 26 30 31 32 35 38.5

5 6.3 8 10 12.5 16 20 25 38

10 15 20 25 30 32 35 38 40 44 45 50 51 55 60 64 65 70 75 76 80 89 90 100 102 110 115 120 125 127 130 139 140 150 152 160 170 175 178 180 190 200 203 225 229 250 254 275 300 305 350 400 450 500

TOHATSU