1PC BT30 BT40 ER11 ER16 ER20 ER25 ER32 ER40 70L 100L 0.003 Knife Shank for CNC Machining Center Spindle Tool Holder(BT30-ER32-100L)

This is a high precision CNC tool holder made for CNC machining centers, available in BT30 and BT40 spindle types. It adopts a robust structure with ER collet chuck system including ER11, ER16, ER20, ER25, ER32 and ER40 specifications, providing strong clamping force and wide compatibility for drills, end mills, reamers and other rotary cutting tools. With a runout accuracy of 0.003mm, this tool holder ensures stable operation at high speed, reduces vibration, improves machining accuracy and surface finish, and extends tool life. It comes in 70L and 100L extended lengths, making it ideal for deep cavity processing, multi-stage machining and complex component production. Constructed from hardened and wear-resistant material, this tool holder features high rigidity, good stability, anti-fatigue performance and long service life. It is widely used in various CNC machining centers, milling machines and automatic equipment, suitable for industrial manufacturing, mold processing, auto parts production, hardware processing and other precision machining fields. Each package includes 1 piece of tool holder, professionally manufactured and strictly tested to meet industrial standards, providing reliable performance for your daily processing and production needs.==========High-concerned chemical : NoneApplication : Milling CutterModel Number : BT40 ER32Origin : Mainland China

• BT30 / BT40 spindle connection, compatible with most CNC machining centers, stable clamping and high concentricity.
• ER11 / ER16 / ER20 / ER25 / ER32 / ER40 collet chuck design, wide clamping range for various drills, end mills and cutting tools.
• Runout accuracy within 0.003mm, ensures high machining precision, smooth surface and long tool service life.
• Available in 70L / 100L extension length, suitable for deep cavity machining, improves processing flexibility and efficiency.
• strength hardened material, wear-resistant and durable, ideal for drilling, milling, tapping and other CNC processing applications.