Product Description
The SECO 00057793 is a left-hand, clamp-style indexable turning toolholder designed for cut-off and grooving operations on CNC lathes and turning centers. Built to the CIIL toolholder style, it accepts LC..1603.. series inserts secured by a top clamp, providing rigid, repeatable insert positioning. The shank measures 0.625 inches wide by 0.625 inches tall, with an overall length of 4.5 inches. Constructed from steel, this holder suits multi-directional turning (MDT) applications across a universal range of workpiece materials. It is a field-proven choice for machinists and toolroom technicians running production or job-shop turning work.
This toolholder is intended for use in left-hand cutting direction setups where a 90-degree lead angle is required. Its MDT series designation means it supports multi-directional turning strategies, making it well suited for both standard and complex groove profiles. The maximum depth of cut is 0.43 inches, and the insert width it accommodates is 0.125 inches (3.00 mm). Compatible insert families include LC..1603.., LCGN, LCMF, and LCMR styles. Primary workpiece material codes supported are H, K, M, N, P, and S, covering a broad range of ferrous and non-ferrous materials. This holder is appropriate for both production environments and prototype work requiring consistent groove geometry.
Key Features
- CIIL toolholder style with left-hand cutting direction and 90-degree lead angle
- Clamp-style insert holding for secure, repeatable seating of LC..1603.. compatible inserts
- Multi-Directional Turning (MDT) series supports versatile grooving and cut-off strategies
- 0.625 inch x 0.625 inch steel shank provides rigid tool interface in standard lathe toolposts
- Compatible with LCGN, LCMF, and LCMR insert styles for broad application flexibility
- Universal primary workpiece material compatibility across material codes H, K, M, N, P, and S
Compatibility
Compatible insert size code LC1603. Complete insert compatibility includes LC..1603.., LCGN, LCMF, and LCMR series inserts. Primary workpiece material codes H, K, M, N, P, and S are supported.
Installation Notes
Installation is performed by machinists or toolroom technicians using standard lathe toolpost hardware. Power down the machine and follow lockout/tagout procedures before changing or setting toolholders. Ensure the shank is fully seated and clamped to the proper torque specification per your machine tool manufacturer’s guidelines before engaging the spindle. Do not exceed the maximum depth of cut of 0.43 inches for this holder configuration.
Technical Specifications
- Toolholder Style: CIIL
- Series: Multi-Directional Turning (MDT)
- Hand of Holder: Left Hand
- Cutting Direction: Left Hand
- Lead Angle: 90 degrees
- Insert Holding Method: Clamp
- Compatible Insert Size Code: LC1603
- Complete Insert Compatibility: LC..1603.., LCGN, LCMF, LCMR
- Insert Width: 0.125 inches (3.00 mm)
- Shank Width: 0.625 inches
- Shank Height: 0.625 inches
- Overall Length: 4.5 inches
- Head Length: 1.142 inches
- Back of Bar to Cutting Edge: 0.625 inches
- Maximum Depth of Cut: 0.43 inches
- Cutting Tool Application: Cut-Off, Grooving
- Primary Workpiece Material: Universal (H, K, M, N, P, S)
- Coolant Through: No
- Toolholder Material: Steel
- Multi-use Tool: Yes
Standard Information
- Brand: SECO
- Manufacturer Part Number: 00057793
