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ER 40 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.
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ANSI Standard Accu-Collets Lyndex
Tap Size Shank Size Square Size
#0-6 0.141 0.110 40-141-RA-AC -
#8 0.168 0.131 40-168-RA-AC -
#10 0.194 0.152 40-194-RA-AC -
#12 0.220 0.165 40-220-RA-AC -
1/4 0.255 0.191 40-255-RA-AC 40-255-RA-LY
5/16 0.318 0.238 40-318-RA-AC 40-318-RA-LY
3/8 0.381 0.286 40-381-RA-AC 40-381-RA-LY
7/16 0.323 0.242 40-323-RA-AC 40-323-RA-LY
1/2 0.367 0.275 40-367-RA-AC 40-367-RA-LY
9/16 0.429 0.322 40-429-RA-AC 40-429-RA-LY
5/8 0.480 0.360 40-480-RA-AC 40-480-RA-LY
11/16 0.542 0.406 40-542-RA-AC 40-542-RA-LY
3/4 0.590 0.442 40-590-RA-AC 40-590-RA-LY
13/16 0.652 0.489 40-652-RA-AC 40-652-RA-LY
7/8 0.697 0.523 40-697-RA-AC 40-697-RA-LY
15/16 0.760 0.570 40-760-RA-AC 40-760-RA-LY
1" 0.800 0.600 40-800-RA-AC 40-800-RA-LY