BT30 ER25UM-70L,100L ER Collet Chuck Size:BT30 ER25UM-100L the flute length remains the

the flute length remains the same as the double diameter

as it can change drilling capacity

Same for other sizes

ER collet sizes range from ER8 to ER50

Package Content

BT30 ER25UM-70L,100L ER Collet Chuck Size:BT30 ER25UM-100L the flute length remains theBT30 ER25UM 70L,100L ER Collet Chuck BT30 Tool Holder accepts all ER25 collets ER25 Collets range from 1 mm to 16 mm The thread inside the internal stop screwMade from alloy steel hardened to 54 56rcBalanced to G6. 3 at 12,000 rpmsConcentricity is less than . 005 micron up to 100 Length and 0. 012 up to 200 Length. All critical tool holder surfaces are precision groundCoolant through capabilityThe gauge length is 70mm,100MMThe rear thread for the pull