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ER 20 Tap Collets

ER TAP COLLETS
FOR RIGID TAPPING
Accu-Collets & Lyndex ER COLLETS
These collets feature a unique design that incorporates an internal square drive with our popular ER series collets. The square drives match the tap square providing a tight fit for all rigid tapping applications. Utilizing ER tap collets and a standard ER collet chuck allows you to vary the gage length of your tapping application without the need for special tapholders.
ANSI Standard Accu-Collets Lyndex
Tap Size Shank Size Square Size
#0-6 0.141 0.110 20-141-RA-AC
20-141-RA-LY
#8 0.168 0.131 20-168-RA-AC
20-168-RA-LY
#10 0.194 0.152 20-194-RA-AC
20-194-RA-LY
#12 0.220 0.165 20-220-RA-AC
20-220-RA-LY
1/4 0.255 0.191 20-255-RA-AC
20-255-RA-LY
5/16 0.318 0.238 20-318-RA-AC
20-318-RA-LY
3/8 0.381 0.286 20-381-RA-AC
20-381-RA-LY
7/16 0.323 0.242 20-323-RA-AC
20-323-RA-LY
1/2 0.367 0.275 20-367-RA-AC
20-367-RA-LY