Acrow BT40 ER20 Collet Chuck Holder – 70 mm Insize Thread GO Ring Gauge 3/4"-16 UNF Series 4121-3B2 Optimized flute geometry for smooth

Optimized flute geometry for smooth

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Gauge Length (L): 110 mm

0 mm HSS-Co8e Slot Drill (2 Flute) | 3481500

Its long series design provides greater reach

Acrow BT40 ER20 Collet Chuck Holder – 70 mm Insize Thread GO Ring Gauge 3/4"-16 UNF Series 4121-3B2 Optimized flute geometry for smoothAcrow BT40 ER20 Collet Chuck Holder 70 mm The Acrow BT40 ER20 Collet Chuck Holder is a precision engineered tool holder designed for reliable and accurate clamping of ER20 collets in CNC machining applications. Manufactured from premium hardened alloy steel and precision ground, it ensures excellent rigidity, balance, and concentricity, delivering smooth cutting performance and superior surface finishes. The 70 mm gauge length offers a compact setup