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Retaining rings
Axially mounting

2100-5100
Retaining rings for shafts

The axially assembled 2100-5100 are retaining rings for shafts in inch dimensions, widely used; they can transmit high axial load between the element of the machine that exerts the force and the groove in which the ring is assembled.

Assembly instructions

Download technical data sheet
Scheda prodotto - 2100-5100
SIZE RING DIMENSIONS GROOVE DIMENSIONS SUPPLEMENTARY DATA WEIGHT PLIERS
no. d1   d1 frac   S tol d3 tol a tol b tol c tol d5 tol d2 tol m tol n FN FR g FRg nabl lbs/1000 straight bent
25 ,250 1/4 ,025 ,002 -,002 ,225 ,002 -,004 ,080 ,003 -,003 ,035 ,003 -,003 ,0250 ,003 -,003 ,041 ,010 -,002 ,230 ,0015 -,0015 ,029 ,003 ,000 ,030 175 599 ,011 470 80.000 ,211 A0 A01
27 ,276 - ,025 ,002 -,002 ,250 ,002 -,005 ,081 ,003 -,003 ,035 ,003 -,003 ,0240 ,003 -,003 ,041 ,010 -,002 ,255 ,002 -,002 ,029 ,003 ,000 ,031 195 660 ,011 470 76.000 ,220 A0 A01
28 ,281 9/32 ,025 ,002 -,002 ,256 ,002 -,005 ,080 ,003 -,003 ,038 ,003 -,003 ,0250 ,003 -,003 ,041 ,010 -,002 ,261 ,002 -,002 ,029 ,003 ,000 ,030 200 670 ,012 470 74.000 ,264 A0 A01
31 ,312 5/16 ,025 ,002 -,002 ,281 ,002 -,005 ,087 ,003 -,003 ,040 ,003 -,003 ,0260 ,003 -,003 ,041 ,010 -,002 ,290 ,002 -,002 ,029 ,003 ,000 ,033 240 751 ,012 470 70.000 ,284 A0 A01
34 ,344 11/32 ,025 ,002 -,002 ,309 ,002 -,005 ,087 ,003 -,003 ,042 ,003 -,003 ,0265 ,003 -,003 ,041 ,010 -,002 ,321 ,002 -,002 ,029 ,003 ,000 ,033 265 812 ,013 470 64.000 ,308 A0 A01
35 ,354 - ,025 ,002 -,002 ,320 ,002 -,005 ,087 ,003 -,003 ,046 ,003 -,003 ,0290 ,003 -,003 ,041 ,010 -,002 ,330 ,002 -,002 ,029 ,003 ,000 ,036 300 832 ,014 470 62.000 ,352 A0 A01
37 ,375 3/8 ,025 ,002 -,002 ,338 ,002 -,005 ,088 ,003 -,003 ,050 ,003 -,003 ,0305 ,003 -,003 ,041 ,010 -,002 ,352 ,002 -,002 ,029 ,003 ,000 ,036 320 883 ,016 470 60.000 ,372 A0 A01
39 ,394 - ,025 ,002 -,002 ,354 ,002 -,005 ,087 ,003 -,003 ,052 ,003 -,003 ,0310 ,003 -,003 ,041 ,010 -,002 ,369 ,002 -,002 ,029 ,003 ,000 ,037 335 954 ,016 470 56.500 ,396 A0 A01
40 ,406 13/32 ,025 ,002 -,002 ,366 ,002 -,005 ,087 ,003 -,003 ,054 ,003 -,003 ,0330 ,003 -,003 ,041 ,010 -,002 ,382 ,002 -,002 ,029 ,003 ,000 ,036 350 964 ,017 470 55.000 ,418 A0 A01
43 ,438  7/16 ,025 ,002 -,002 ,395 ,002 -,005 ,088 ,003 -,003 ,055 ,003 -,003 ,0330 ,003 -,003 ,041 ,010 -,002 ,412 ,002 -,002 ,029 ,003 ,000 ,039 400 1.035 ,018 470 50.000 ,453 A0 A01
46 ,469 15/32 ,025 ,002 -,002 ,428 ,002 -,005 ,088 ,003 -,003 ,060 ,003 -,003 ,0350 ,003 -,003 ,041 ,010 -,002 ,443 ,002 -,002 ,029 ,003 ,000 ,039 450 1.117 ,018 470 42.000 ,572 A0 A01
50 ,500 1/2 ,035 ,002 -,002 ,461 ,002 -,005 ,108 ,003 -,003 ,065 ,004 -,004 ,0400 ,004 -,004 ,047 ,010 -,002 ,468 ,002 -,002 ,039 ,003 ,000 ,048 550 1.675 ,020 910 40.000 ,902 A0 A01
55 ,551 - ,035 ,002 -,002 ,509 ,005 -,010 ,108 ,003 -,003 ,053 ,004 -,004 ,0360 ,004 -,004 ,047 ,010 -,002 ,519 ,002 -,002 ,039 ,003 ,000 ,048 600 1.800 ,017 910 36.000 ,814 A0 A01
56 ,562 9/16 ,035 ,002 -,002 ,521 ,005 -,010 ,108 ,003 -,003 ,072 ,004 -,004 ,0410 ,004 -,004 ,047 ,010 -,002 ,530 ,002 -,002 ,039 ,003 ,000 ,048 650 1.878 ,023 910 35.000 1,100 A0 A01
59 ,594 19/32 ,035 ,002 -,002 ,550 ,005 -,010 ,109 ,003 -,003 ,076 ,004 -,004 ,0430 ,004 -,004 ,047 ,010 -,002 ,559 ,003 -,003 ,039 ,003 ,000 ,052 750 1.979 ,024 910 32.000 1,188 A0 A01
62 ,625 5/8 ,035 ,002 -,002 ,579 ,005 -,010 ,110 ,003 -,003 ,080 ,004 -,004 ,0450 ,004 -,004 ,047 ,010 -,002 ,588 ,003 -,003 ,039 ,003 ,000 ,055 800 2.091 ,025 910 30.000 1,311 A0 A01
66 ,669 - ,035 ,002 -,002 ,621 ,005 -,010 ,110 ,003 -,003 ,082 ,004 -,004 ,0430 ,004 -,004 ,047 ,010 -,002 ,629 ,003 -,003 ,039 ,003 ,000 ,060 950 2.233 ,024 910 29.000 1,408 A0 A01
66 ,672 43/64 ,035 ,002 -,002 ,621 ,005 -,010 ,110 ,003 -,003 ,082 ,004 -,004 ,0430 ,004 -,004 ,047 ,010 -,002 ,631 ,003 -,003 ,039 ,003 ,000 ,060 950 2.233 ,024 910 29.000 1,408 A0 A01
68 ,688 11/16 ,042 ,002 -,002 ,635 ,005 -,010 ,136 ,004 -,004 ,084 ,005 -,005 ,0480 ,005 -,005 ,052 ,010 -,002 ,646 ,003 -,003 ,046 ,003 ,000 ,063 1.000 3.451 ,025 1.340 28.000 1,760 A0 A01
75 ,750 3/4 ,042 ,002 -,002 ,693 ,005 -,010 ,136 ,004 -,004 ,092 ,005 -,005 ,0510 ,005 -,005 ,052 ,010 -,002 ,704 ,003 -,003 ,046 ,003 ,000 ,069 1.200 3.756 ,028 1.340 26.500 2,112 A0 A01
78 ,781 25/32 ,042 ,002 -,002 ,722 ,005 -,010 ,136 ,004 -,004 ,094 ,005 -,005 ,0520 ,005 -,005 ,052 ,010 -,002 ,733 ,003 -,003 ,046 ,003 ,000 ,072 1.300 3.959 ,028 1.340 25.500 2,156 A0 A01
81 ,812 13/16 ,042 ,002 -,002 ,751 ,005 -,010 ,136 ,004 -,004 ,096 ,005 -,005 ,0540 ,005 -,005 ,052 ,010 -,002 ,762 ,003 -,003 ,046 ,003 ,000 ,075 1.450 4.060 ,028 1.340 24.500 2,354 A0 A01
84 ,844 - ,042 ,002 -,002 ,780 ,005 -,010 ,137 ,004 -,004 ,100 ,005 -,005 ,0570 ,005 -,005 ,052 ,010 -,002 ,791 ,003 -,003 ,046 ,003 ,000 ,078 1.500 4.200 ,028 1.340 24.000 2,596 A0 A01
87 ,875 7/8 ,042 ,002 -,002 ,810 ,005 -,010 ,137 ,004 -,004 ,104 ,005 -,005 ,0570 ,005 -,005 ,052 ,010 -,002 ,821 ,003 -,003 ,046 ,003 ,000 ,081 1.650 4.365 ,031 1.340 23.000 2,772 A0 A01
93 ,938 15/16 ,042 ,002 -,002 ,867 ,005 -,010 ,166 ,004 -,004 ,110 ,005 -,005 ,0630 ,005 -,005 ,078 ,015 -,002 ,882 ,003 -,003 ,046 ,003 ,000 ,084 1.850 4.720 ,033 1.340 21.500 3,168 A1 A11
98 ,984 63/64 ,042 ,002 -,002 ,910 ,005 -,010 ,167 ,004 -,004 ,114 ,005 -,005 ,0640 ,005 -,005 ,078 ,015 -,002 ,926 ,003 -,003 ,046 ,003 ,000 ,087 2.000 4.923 ,034 1.340 20.500 3,388 A1 A11
100 1,000      1      ,042 ,002 -,002 ,925 ,005 -,010 ,167 ,004 -,004 ,116 ,005 -,005 ,0650 ,005 -,005 ,078 ,015 -,002 ,940 ,003 -,003 ,046 ,003 ,000 ,090 2.100 5.024 ,034 1.340 20.000 3,483 A1 A11
102 1,023 - ,042 ,002 -,002 ,946 ,005 -,010 ,168 ,004 -,004 ,118 ,005 -,005 ,0660 ,005 -,005 ,078 ,015 -,002 ,961 ,003 -,003 ,046 ,003 ,000 ,093 2.250 5.126 ,035 1.340 19.500 3,740 A1 A11
106 1,062 1-1/16 ,050 ,002 -,002 ,982 ,010 -,015 ,181 ,004 -,004 ,122 ,006 -,006 ,0690 ,006 -,006 ,078 ,015 -,002 ,998 ,004 -,004 ,056 ,004 ,000 ,096 2.400 6.293 ,036 1.950 19.000 4,884 A1 A11
112 1,125 1-1/8 ,050 ,002 -,002 1,041 ,010 -,015 ,182 ,004 -,004 ,128 ,006 -,006 ,0710 ,006 -,006 ,078 ,015 -,002 1,059 ,004 -,004 ,056 ,004 ,000 ,099 2.600 6.699 ,038 1.950 18.800 5,918 A2 A21
118 1,188 1-3/16 ,050 ,002 -,002 1,098 ,010 -,015 ,182 ,004 -,004 ,132 ,006 -,006 ,0720 ,006 -,006 ,078 ,015 -,002 1,118 ,004 -,004 ,056 ,004 ,000 ,105 2.950 7.105 ,039 1.950 18.000 6,358 A2 A21
125 1,250 1-1/4 ,050 ,002 -,002 1,156 ,010 -,015 ,183 ,004 -,004 ,140 ,006 -,006 ,0760 ,006 -,006 ,078 ,015 -,002 1,176 ,004 -,004 ,056 ,004 ,000 ,111 3.250 7.460 ,041 1.950 17.000 6,952 A2 A21
131 1,312 1-5/16 ,050 ,002 -,002 1,214 ,010 -,015 ,183 ,004 -,004 ,146 ,006 -,006 ,0760 ,006 -,006 ,078 ,015 -,002 1,232 ,004 -,004 ,056 ,004 ,000 ,120 3.700 7.866 ,041 1.950 16.500 7,458 A2 A21
137 1,375 1-3/8 ,050 ,002 -,002 1,272 ,010 -,015 ,184 ,004 -,004 ,152 ,006 -,006 ,0820 ,006 -,006 ,078 ,015 -,002 1,291 ,004 -,004 ,056 ,004 ,000 ,126 4.100 8.222 ,043 1.950 16.000 8,074 A2 A21
143 1,438 1-7/16 ,050 ,002 -,002 1,333 ,010 -,015 ,184 ,004 -,004 ,160 ,006 -,006 ,0860 ,006 -,006 ,078 ,015 -,002 1,350 ,004 -,004 ,056 ,004 ,000 ,132 4.500 8.628 ,045 1.950 15.000 8,558 A2 A21
150 1,500 1-1/2 ,050 ,002 -,002 1,387 ,010 -,015 ,214 ,004 -,004 ,168 ,006 -,006 ,0910 ,006 -,006 ,120 ,015 -,002 1,406 ,004 -,004 ,056 ,004 ,000 ,141 5.000 8.932 ,047 1.950 14.800 9,724 A2 A21
156 1,562 1-9/16 ,062 ,003 -,003 1,446 ,013 -,020 ,235 ,004 -,004 ,172 ,006 -,006 ,0930 ,006 -,006 ,125 ,015 -,002 1,468 ,005 -,005 ,068 ,004 ,000 ,141 5.200 11.571 ,049 3.000 14.000 13,002 A3 A31
162 1,625 1-5/8 ,062 ,003 -,003 1,503 ,013 -,020 ,235 ,004 -,004 ,180 ,006 -,006 ,0970 ,006 -,006 ,125 ,015 -,002 1,529 ,005 -,005 ,068 ,004 ,000 ,144 5.500 12.028 ,052 3.000 13.200 13,970 A3 A31
168 1,688 1-11/16 ,062 ,003 -,003 1,560 ,013 -,020 ,235 ,004 -,004 ,184 ,006 -,006 ,0990 ,006 -,006 ,125 ,015 -,002 1,589 ,005 -,005 ,068 ,004 ,000 ,148 5.850 12.535 ,054 3.000 13.000 14,696 A3 A31
175 1,750 1-3/4 ,062 ,003 -,003 1,618 ,013 -,020 ,237 ,004 -,004 ,188 ,006 -,006 ,1010 ,006 -,006 ,125 ,015 -,002 1,650 ,005 -,005 ,068 ,004 ,000 ,150 6.200 12.992 ,054 3.000 12.200 15,444 A3 A31
177 1,772 - ,062 ,003 -,003 1,637 ,013 -,020 ,237 ,004 -,004 ,190 ,006 -,006 ,1020 ,006 -,006 ,125 ,015 -,002 1,669 ,005 -,005 ,068 ,004 ,000 ,154 6.400 13.144 ,055 3.000 11.700 15,862 A3 A31
181 1,812 1-13/16 ,062 ,003 -,003 1,675 ,013 -,020 ,262 ,004 -,004 ,192 ,006 -,006 ,1020 ,006 -,006 ,125 ,015 -,002 1,708 ,005 -,005 ,068 ,004 ,000 ,156 6.650 13.449 ,055 3.000 11.500 16,588 A3 A31
187 1,875 1-7/8 ,062 ,003 -,003 1,735 ,013 -,020 ,239 ,004 -,004 ,196 ,006 -,006 ,1040 ,006 -,006 ,125 ,015 -,002 1,769 ,005 -,005 ,068 ,004 ,000 ,159 7.000 13.906 ,056 3.000 11.000 17,160 A3 A31
196 1,969 1-31/32 ,062 ,003 -,003 1,819 ,013 -,020 ,262 ,004 -,004 ,200 ,006 -,006 ,1060 ,006 -,006 ,125 ,015 -,002 1,857 ,005 -,005 ,068 ,004 ,000 ,168 7.800 14.565 ,056 3.000 10.500 18,546 A3 A31
200 2,000      2      ,062 ,003 -,003 1,850 ,013 -,020 ,262 ,004 -,004 ,204 ,006 -,006 ,1080 ,006 -,006 ,125 ,015 -,002 1,886 ,005 -,005 ,068 ,004 ,000 ,171 8.050 14.819 ,057 3.000 10.000 19,162 A3 A31
206 2,062 2-1/16 ,078 ,003 -,003 1,906 ,015 -,025 ,267 ,005 -,005 ,208 ,007 -,007 ,1110 ,007 -,007 ,125 ,015 -,002 1,946 ,006 -,006 ,086 ,005 ,000 ,174 8.450 19.234 ,059 5.000 9.600 25,300 A3 A31
212 2,125 2-1/8 ,078 ,003 -,003 1,964 ,015 -,025 ,280 ,005 -,005 ,212 ,007 -,007 ,1130 ,007 -,007 ,125 ,015 -,002 2,003 ,006 -,006 ,086 ,005 ,000 ,183 9.150 19.793 ,059 5.000 9.500 26,774 A3 A31
215 2,156 2-5/32 ,078 ,003 -,003 1,993 ,015 -,025 ,280 ,005 -,005 ,212 ,007 -,007 ,1130 ,007 -,007 ,125 ,015 -,002 2,032 ,006 -,006 ,086 ,005 ,000 ,186 9.450 20.097 ,058 5.000 9.400 27,170 A3 A31
225 2,250 2-1/4 ,078 ,003 -,003 2,081 ,015 -,025 ,280 ,005 -,005 ,220 ,007 -,007 ,1160 ,007 -,007 ,125 ,015 -,002 2,120 ,006 -,006 ,086 ,005 ,000 ,195 10.350 21.011 ,060 5.000 9.200 29,106 A3 A31
231 2,312 2-5/16 ,078 ,003 -,003 2,139 ,015 -,025 ,280 ,005 -,005 ,222 ,007 -,007 ,1180 ,007 -,007 ,125 ,015 -,002 2,178 ,006 -,006 ,086 ,005 ,000 ,201 10.950 21.518 ,060 5.000 9.000 30,162 A3 A31
237 2,375 2-3/8 ,078 ,003 -,003 2,197 ,015 -,025 ,292 ,005 -,005 ,224 ,007 -,007 ,1190 ,007 -,007 ,125 ,015 -,002 2,239 ,006 -,006 ,086 ,005 ,000 ,204 11.400 22.127 ,060 5.000 8.800 31,526 A3 A31
243 2,438 2-7/16 ,078 ,003 -,003 2,255 ,015 -,025 ,268 ,005 -,005 ,228 ,007 -,007 ,1200 ,007 -,007 ,125 ,015 -,002 2,299 ,006 -,006 ,086 ,005 ,000 ,207 11.900 22.736 ,061 5.000 8.600 31,922 A3 A31
250 2,500 2-1/2 ,078 ,003 -,003 2,313 ,015 -,025 ,292 ,005 -,005 ,232 ,007 -,007 ,1220 ,007 -,007 ,125 ,015 -,002 2,360 ,006 -,006 ,086 ,005 ,000 ,210 12.350 23.345 ,062 5.000 8.400 34,056 A3 A31
255 2,559 - ,078 ,003 -,003 2,377 ,020 -,030 ,268 ,005 -,005 ,238 ,007 -,007 ,1250 ,007 -,007 ,125 ,015 -,002 2,419 ,006 -,006 ,086 ,005 ,000 ,210 12.650 23.853 ,065 5.000 8.200 34,606 A3 A31
262 2,625 2-5/8 ,078 ,003 -,003 2,428 ,020 -,030 ,292 ,005 -,005 ,242 ,007 -,007 ,1270 ,007 -,007 ,125 ,015 -,002 2,481 ,006 -,006 ,086 ,005 ,000 ,216 13.350 24.462 ,066 5.000 8.000 37,026 A3 A31
268 2,688 2-11/16 ,078 ,003 -,003 2,485 ,020 -,030 ,292 ,005 -,005 ,246 ,007 -,007 ,1290 ,007 -,007 ,125 ,015 -,002 2,541 ,006 -,006 ,086 ,005 ,000 ,219 13.850 25.071 ,067 5.000 7.900 38,500 A3 A31
275 2,750 2-3/4 ,093 ,003 -,003 2,543 ,020 -,030 ,324 ,005 -,005 ,248 ,007 -,007 ,1310 ,007 -,007 ,125 ,015 -,002 2,602 ,006 -,006 ,103 ,005 ,000 ,222 14.400 30.551 ,067 7.350 7.600 48,224 A3 A31
287 2,875 2-7/8 ,093 ,003 -,003 2,659 ,020 -,030 ,324 ,005 -,005 ,256 ,007 -,007 ,1330 ,007 -,007 ,125 ,015 -,002 2,721 ,006 -,006 ,103 ,005 ,000 ,231 15.650 31.973 ,069 7.350 7.300 51,150 A3 A31
293 2,938 2-15/16 ,093 ,003 -,003 2,717 ,020 -,030 ,324 ,005 -,005 ,260 ,007 -,007 ,1360 ,007 -,007 ,125 ,015 -,002 2,779 ,006 -,006 ,103 ,005 ,000 ,237 16.400 32.683 ,070 7.350 7.200 53,064 A3 A31
300 3,000      3      ,093 ,003 -,003 2,775 ,020 -,030 ,260 ,008 -,008 ,260 ,008 -,008 ,1400 ,012 -,012 ,128 ,000 -,010 2,838 ,006 -,006 ,103 ,005 ,000 ,243 17.200 33.394 ,070 7.350 6.700 48,400 A3 A31
306 3,062 3-1/16 ,093 ,003 -,003 2,832 ,020 -,030 ,298 ,005 -,005 ,252 ,008 -,008 ,1310 ,008 -,008 ,125 ,015 -,002 2,898 ,006 -,006 ,103 ,005 ,000 ,246 17.750 34.003 ,064 7.350 6.600 52,580 A3 A31
312 3,125 3-1/8 ,093 ,003 -,003 2,892 ,020 -,030 ,324 ,005 -,005 ,272 ,008 -,008 ,1410 ,008 -,008 ,125 ,015 -,002 2,957 ,006 -,006 ,103 ,005 ,000 ,252 18.550 34.815 ,072 7.350 6.600 58,366 A3 A31
315 3,156 3-5/32 ,093 ,003 -,003 2,920 ,020 -,030 ,324 ,005 -,005 ,274 ,008 -,008 ,1430 ,008 -,008 ,125 ,015 -,002 2,986 ,006 -,006 ,103 ,005 ,000 ,255 18.950 35.119 ,072 7.350 6.500 59,510 A3 A31
325 3,250 3-1/4 ,093 ,003 -,003 3,006 ,020 -,030 ,260 ,008 -,008 ,260 ,008 -,008 ,1440 ,012 -,012 ,128 ,000 -,010 3,076 ,006 -,006 ,103 ,005 ,000 ,261 20.000 36.134 ,074 7.350 6.400 53,790 A3 A31
334 3,346 3-11/32 ,093 ,003 -,003 3,092 ,020 -,030 ,295 ,008 -,008 ,295 ,008 -,008 ,1610 ,012 -,012 ,150 ,000 -,012 3,166 ,006 -,006 ,103 ,005 ,000 ,270 21.000 37.251 ,076 7.350 6.000 62,502 A4 A41
343 3,438 3-7/16 ,093 ,003 -,003 3,179 ,020 -,030 ,295 ,008 -,008 ,295 ,008 -,008 ,1630 ,012 -,012 ,150 ,000 -,012 3,257 ,006 -,006 ,103 ,005 ,000 ,270 21.900 38.266 ,077 7.350 5.900 63,558 A4 A41
350 3,500 3-1/2 ,109 ,003 -,003 3,237 ,020 -,030 ,315 ,012 -,012 ,315 ,012 -,012 ,1650 ,012 -,012 ,150 ,000 -,012 3,316 ,006 -,006 ,120 ,005 ,000 ,276 22.800 45.574 ,073 10.500 5.900 89,276 A4 A41
354 3,543 - ,109 ,003 -,003 3,277 ,020 -,030 ,315 ,012 -,012 ,315 ,012 -,012 ,1650 ,012 -,012 ,150 ,000 -,012 3,357 ,006 -,006 ,120 ,005 ,000 ,279 23.300 46.183 ,074 10.500 5.800 74,536 A4 A41
362 3,625 3-5/8 ,109 ,003 -,003 3,352 ,020 -,030 ,315 ,012 -,012 ,315 ,012 -,012 ,1650 ,012 -,012 ,150 ,000 -,012 3,435 ,006 -,006 ,120 ,005 ,000 ,285 24.300 47.299 ,076 10.500 5.700 79,838 A4 A41
368 3,688 3-11/16 ,109 ,003 -,003 3,410 ,020 -,030 ,315 ,012 -,012 ,315 ,012 -,012 ,1690 ,012 -,012 ,150 ,000 -,012 3,493 ,006 -,006 ,120 ,005 ,000 ,291 25.300 48.010 ,078 10.500 5.600 83,578 A4 A41
375 3,750 3-3/4 ,109 ,003 -,003 3,468 ,020 -,030 ,315 ,012 -,012 ,315 ,012 -,012 ,1710 ,012 -,012 ,150 ,000 -,012 3,552 ,006 -,006 ,120 ,005 ,000 ,297 26.200 48.822 ,080 10.500 5.500 95,568 A4 A41
387 3,875 3-7/8 ,109 ,003 -,003 3,584 ,020 -,030 ,315 ,012 -,012 ,315 ,012 -,012 ,1750 ,012 -,012 ,150 ,000 -,012 3,673 ,006 -,006 ,120 ,005 ,000 ,303 27.700 50.446 ,082 10.500 5.100 93,610 A4 A41
393 3,938 3-15/16 ,109 ,003 -,003 3,642 ,020 -,030 ,315 ,012 -,012 ,315 ,012 -,012 ,1750 ,012 -,012 ,150 ,000 -,012 3,734 ,006 -,006 ,120 ,005 ,000 ,306 28.400 51.359 ,082 10.500 5.200 102,410 A4 A41
400 4,000      4      ,109 ,003 -,003 3,700 ,020 -,030 ,315 ,012 -,012 ,315 ,012 -,012 ,1770 ,012 -,012 ,150 ,000 -,012 3,792 ,006 -,006 ,120 ,005 ,000 ,312 29.400 52.171 ,081 10.500 5.000 95,964 A4 A41
412 4,125 4-1/8 ,109 ,003 -,003 3,800 ,020 -,030 ,331 ,012 -,012 ,331 ,012 -,012 ,1830 ,016 -,016 ,169 ,000 -,012 3,915 ,006 -,006 ,120 ,005 ,000 ,315 29.800 53.200 ,081 10.500 4.900 102,564 A4 A41
425 4,250 4-1/4 ,109 ,003 -,003 3,989 ,020 -,030 ,331 ,012 -,012 ,331 ,012 -,012 ,1870 ,016 -,016 ,169 ,000 -,012 4,065 ,006 -,006 ,120 ,005 ,000 ,276 27.600 55.419 ,088 10.500 4.800 102,564 A4 A41
437 4,375 4-3/8 ,109 ,003 -,003 4,106 ,020 -,030 ,342 ,008 -,008 ,342 ,010 -,010 ,1760 ,010 -,010 ,125 ,015 -,002 4,190 ,006 -,006 ,120 ,005 ,000 ,276 28.400 57.043 ,088 10.500 4.700 110,660 A4 A41
450 4,500 4-1/2 ,109 ,003 -,003 4,223 ,020 -,030 ,331 ,012 -,012 ,331 ,012 -,012 ,1910 ,016 -,016 ,169 ,000 -,012 4,310 ,006 -,006 ,120 ,005 ,000 ,285 30.200 58.667 ,061 10.500 4.500 110,924 A4 A41
475 4,750 4-3/4 ,109 ,003 -,003 4,458 ,020 -,030 ,331 ,012 -,012 ,331 ,012 -,012 ,1930 ,016 -,016 ,169 ,000 -,012 4,550 ,006 -,006 ,120 ,005 ,000 ,300 33.600 61.915 ,069 10.500 4.200 115,412 A4 A41
500 5,000      5      ,109 ,003 -,003 4,692 ,020 -,030 ,331 ,012 -,012 ,331 ,012 -,012 ,1940 ,010 -,010 ,156 ,020 -,005 4,790 ,006 -,006 ,120 ,005 ,000 ,315 37.100 65.163 ,099 10.500 4.000 132,462 A4 A41
525 5,250 5-1/4 ,125 ,004 -,004 4,927 ,020 -,040 ,378 ,012 -,012 ,378 ,012 -,012 ,2110 ,010 -,010 ,169 ,000 -,008 5,030 ,007 -,007 ,139 ,006 ,000 ,330 40.800 78.460 ,101 13.500 3.900 171,292 A4 A41
550 5,500 5-1/2 ,125 ,004 -,004 5,162 ,020 -,040 ,378 ,012 -,012 ,378 ,012 -,012 ,2090 ,010 -,010 ,169 ,000 -,008 5,265 ,007 -,007 ,139 ,006 ,000 ,351 45.500 82.215 ,105 13.500 3.700 180,180 A4 A41
575 5,750 5-3/4 ,125 ,004 -,004 5,396 ,020 -,040 ,378 ,012 -,012 ,378 ,012 -,012 ,2200 ,010 -,010 ,169 ,000 -,008 5,505 ,007 -,007 ,139 ,006 ,000 ,366 49.600 85.971 ,110 13.500 3.500 190,806 A4 A41
600 6,000      6      ,125 ,004 -,004 5,631 ,020 -,040 ,378 ,012 -,012 ,378 ,012 -,012 ,2240 ,010 -,010 ,169 ,000 -,008 5,745 ,007 -,007 ,139 ,006 ,000 ,381 53.800 89.625 ,086 13.500 3.400 199,650 A4 A41
625 6,250 6-1/4 ,156 ,005 -,005 5,866 ,020 -,050 ,425 ,012 -,012 ,425 ,012 -,012 ,2320 ,010 -,010 ,169 ,000 -,008 5,985 ,008 -,008 ,174 ,008 ,000 ,396 58.300 116.522 ,089 21.000 3.100 288,376 A4 A41
650 6,500 6-1/2 ,156 ,005 -,005 6,100 ,020 -,050 ,531 ,012 -,012 ,488 ,016 -,016 ,2910 ,016 -,016 ,169 ,000 -,012 6,225 ,008 -,008 ,174 ,008 ,000 ,411 62.900 121.191 ,114 21.000 3.000 349,624 A5 A51
675 6,750 6-3/4 ,156 ,005 -,005 6,335 ,020 -,050 ,531 ,012 -,012 ,531 ,012 -,012 ,2910 ,016 -,016 ,169 ,000 -,012 6,465 ,008 -,008 ,174 ,008 ,000 ,426 67.700 125.860 ,120 21.000 3.000 384,604 A5 A51
700 7,000      7      ,156 ,005 -,005 6,570 ,050 -,130 ,531 ,012 -,012 ,531 ,012 -,012 ,2910 ,016 -,016 ,169 ,000 -,012 6,705 ,008 -,008 ,174 ,008 ,000 ,441 72.700 130.529 ,125 21.000 2.900 392,040 A5 A51
725 7,250 7-1/4 ,187 ,005 -,005 6,775 ,050 -,130 ,551 ,012 -,012 ,551 ,012 -,012 ,2910 ,016 -,016 ,169 ,000 -,012 6,942 ,008 -,008 ,209 ,008 ,000 ,460 78.900 162.096 ,128 30.000 2.800 517,000 A5 A51
750 7,500 7-1/2 ,187 ,005 -,005 7,009 ,050 -,130 ,551 ,012 -,012 ,551 ,012 -,012 ,2910 ,016 -,016 ,169 ,000 -,012 7,180 ,008 -,008 ,209 ,008 ,000 ,480 84.800 167.678 ,132 30.000 2.700 550,000 A5 A51
775 7,750 7-3/4 ,187 ,005 -,005 7,243 ,050 -,130 ,551 ,012 -,012 ,551 ,012 -,012 ,2950 ,016 -,016 ,169 ,000 -,012 7,420 ,008 -,008 ,209 ,008 ,000 ,495 90.450 173.261 ,136 30.000 2.600 571,450 A5 A51
800 8,000      8      ,187 ,005 -,005 7,478 ,050 -,130 ,551 ,012 -,012 ,551 ,012 -,012 ,2950 ,016 -,016 ,169 ,000 -,012 7,660 ,008 -,008 ,209 ,008 ,000 ,510 96.100 178.843 ,141 30.000 2.500 594,000 A5 A51
Dimensions in inches 
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Materials used

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Spring steel SAE 1060 / EN 10132 - 1/4 (DIN 17222)
From n. 25 to n. 106: strip C60S (C60)

Spring steel SAE 1074 / EN 10132 - 1/4 (DIN 17222)
From n. 112 to n. 800: wire C75S (C75)

Hardness

From n. 25 to n. 46:  scale 30N 69.5 ÷ 73 (HRC 51 ÷ 55)
From n. 50 to n. 81:  scale 30N 66 ÷ 71 (HRC 47 ÷ 53)
From n. 84 to n. 102:  scale C  47 ÷ 53
From n. 106 to n. 343:  scale C  47 ÷ 52
From n. 350 to n. 700:  scale C  44 ÷ 51
From n. 725 to n. 800:  scale C  40 ÷ 47

Standard surface finish

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phosphated and oiled

Packaging

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From n. 25 to n. 137: loose in boxes
From n. 143 to n. 243: thermoplastic wrapped – non oriented
From n. 250 to n. 575: rolled in paper wrappers
From n. 600 to n. 800: thermoplastic wrapped – oriented

Additional information

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