Accessories Balance Screw Sets • HC Hydraulic Chuck Test Pins • Standard balance screw set is used on HPMC • Eleven different weights, 10 of each, bearing milling chuck. varying between 0,047–1,138 grams. • Total number of screws in each set is 110. • Set comes complete in a divider box • All are M6 screws. and screwdriver. • Eleven different lengths from 3,5–8mm. • For high-performance milling choices. Balance Screw Set order number catalog number 3367391 HPMCBALSCREWSET • It is important to periodically check the clamping function on a hydraulic chuck with a test pin for clamping clarity. • The clamping grip can be checked quickly and easily by placing the correct test pin in the chuck bore and the turning the clamp screw to the limit stop. The chuck is functioning correctly if the testing pin cannot be moved by hand. HC Test Pin • Metric order number catalog number D 1191037 280.200 6 1191039 280.202 10 1191040 280.203 12 1245409 280.204 14 1191041 280.205 16 1245410 280.206 18 1191042 280.207 20 1245411 280.208 25 1191043 280.209 32 HC Test Pin • Inch order number catalog number D 1247566 280.262 3/8 1247570 280.264 1/2 1247572 280.266 5/8 1247575 280.268 3/4 1247577 280.269 1 J4 WWW.WIDIA.COM Accessories