BT30‑ER20‑70 Collet Chuck Tool Holder, 40cr Alloy Steel Collet Chuck Tool Holder for CNC Lathe Milling Accessories

Specification:Item Type: Collet chuck tool holder Model: BT30-ER20-70 Clamping Range: Approx. 1-13mm / 0.04-0.5in L Length: Approx.70mm / 2.8in Material: 40cr Package List:1 x Collet Chuck Tool Holder

• [Er20 high performance]: BT30 tool holder is balanced at high speed and meets all industrial standards.
• [Strong toughness]: The numerical control tool holder is made of high-grade 40cr alloy steel, which is resistant to high pressure, has strong toughness and clamping force, is easy to loosen and deform, and has a long service life. The product can withstand high pressure and explosion.
• [High precision]: The milling cutter holder has high precision, hardened precision grinding, excellent performance and beautiful appearance. Body accuracy: 0.002-0.005mm, coaxiality: < 0.005mm, overall clamping accuracy: 0.002-0.005mm.
• [Professional manufacturing]: The high-precision BT30 tool holder is integrated into a single-piece structure. The advanced 40Cr frame ensures a better overall balance of the tool holder components. Durable and durable. The polished body is smooth and rust-proof.
• [Wide range of uses]: Milling machine tools can be easily used in various numerical control milling machines. Widely used in machining centers, general milling machines, numerical control milling machines, engraving machines, high-speed machines, etc.