Ritmar Corporation

backextendrils™


size and specifications
• "770 A" Series Collets
• "770 B" Series Collets
• "770 C" Series Collets
• click for image

"700 A" Series Collets
 Drill Size  Drill Diameter
 .1/16"  .0625
 #52 .0635
#51 .067
#50 .070
#49 .073
#48 .076
 5/64" .0781
#47 .0785
#46 .081
#45 .082
#44 .086
#43 .089
#42 .0935
3/32" .09375
#41 .096
#40 .098
#39 .0995
#38 .1015
#37 .104
#36 .1065
7/64" .1094
#35 .110
#34 .111
#33 .113
#32 .116
#31 .120
1/8" .125
#30 .1285
#29 .136
#28 .1405
9/64" .1406
#27 .144
#26 .147
#25 .1495
#24 .152
#23 .154
5/32" .156
#22 .157
#21 .159
#20 .161


"700 B" Series Collets
 Drill Size  Drill Diameter
 #20 .161
#19 .166
#18 .1695
11/64" .1719
#17 .173
#16 .177
#15 .180
#14 .182
#13 .185
3/16" .1875
#12 .189
#11 .191
#10 .1935
#9 .196
#8 .199
#7 .201
13/64" .2031
#6 .204
#5 .2055
#4 .209
#3 .213
7/32" .2188
#2 .221
#1 .228
 A .234
15/64" .2344
B .238
C .242
D .246
 1/4" or E  .250
F .257


"700 C" Series Collets

 Drill Size

Drill Diameter
1/4" .250
" F" .257
" G" .261
17/64" .2656
" H" .266
" I" .272
9/32" .2812
19/64" .2969
" N" .3020
5/16" .3125

 


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