BEYOND External Turning Tool Holders for CNC Lathe Machining

BEYOND offers a complete range of external turning tool holders designed for high stability, precision, and performance in CNC lathe machining. Our external holders support a wide selection of carbide inserts and clamping systems to meet various machining needs including roughing, finishing, profiling, grooving, and threading.

Product Categories

• Screw Clamp System External Holder: Simple design, reliable clamping, ideal for general turning.
• Multi-Lock System External Holder: Multiple contact points ensure high rigidity under heavy cutting.
• Double Clamp System External Holder: Extra stability for roughing operations and interrupted cuts.
• Lever Lock System External Holder: Quick insert indexing for high-efficiency production lines.
• Multi-Functional Grooving Tools: External grooving, facing grooving, and cut-off operations.
• External Thread Tool Holders: For ISO threading inserts (16ER/IR, 22ER/IR, full & partial profile).

Applications & Features

• Suitable for external turning of steel, stainless steel, cast iron, and non-ferrous materials.
• Engineered for excellent chip control and improved surface finish.
• Optimized cutting-edge positioning reduces vibration and improves tool life.
• Heat-treated alloy steel body ensures strength and durability.
• Available with internal coolant channels for improved cooling and chip evacuation.
• Compatible with CNC lathes, turning centers, and automatic lines.

Compatible Inserts & Standards

BEYOND external turning tool holders support the following insert shapes and sizes:

• Turning Inserts: CNMG, DNMG, SNMG, WNMG, TNMG, VBMT, VCMT, CCMT, DCMT.
• Grooving Inserts: MGMN series, GER-series, parting inserts.
• Threading Inserts: 16ER/IR, 22ER/IR, metric/inch full profile.

Insert grades include P-grade (steel), M-grade (stainless steel), K-grade (cast iron), and special high-performance coatings for difficult-to-machine materials.

Clamping Systems

• Screw Clamp: Simple, universal, easy to maintain.
• Multi-Lock Clamp: Dual or triple contact for extreme rigidity.
• Double Clamp: Reinforced design for heavy cutting.
• Lever Lock: Rapid insert replacement to reduce downtime.

Machining Examples

• Rough turning of carbon steel using CNMG inserts on double-clamp holders.
• Finishing stainless steel using VBMT inserts on screw-type holders.
• External grooving with multi-functional tools for precise slotting.
• Thread cutting using 16ER carbide inserts with external thread holders.

Standard Cutting Conditions

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