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Description
Lathe reduction sleeve Ø20 mm to 3 mm – precision adapter for boring bars
| Technical data | |
|---|---|
| Shank diameter D | 20 mm |
| Diameter of clamped tool d | 3 mm |
| Overall length L | 100 mm |
Lathe reduction sleeve Ø20 mm to 3 mm – adapter for micro boring bars
Lathe reduction sleeve Ø20 mm to 3 mm allows micro boring bars with a Ø3 mm shank to be mounted in standard lathe tool posts with a Ø20 mm bore. The Varel Ø20 mm to 3 mm lathe adapter is a solution for precision machining of small holes on CNC and conventional lathes.
Key benefits of the SHB Ø20 to 3 mm reduction sleeve
- Secure clamping with three hex socket screws — ensures micro tool stability during machining at high spindle speeds
- External flat on the Ø19 mm diameter — ensures proper seating in lathe tool posts without the risk of rotation
- Ø3 mm internal bore — sized for the shanks of micro boring bars and small boring tools
- Positioning precision — enables repeatable machining of small-diameter holes
- Universal application — works with CNC lathes and conventional machines
The Ø20 mm to 3 mm lathe sleeve is used wherever micro hole machining and precision boring are required. The design with three clamping screws eliminates tool vibration, improving the surface finish of machined parts. The Ø20 mm to 3 mm lathe sleeve allows quick workstation setup changes without replacing the entire tool post, improving efficiency in toolrooms and maintenance departments.
Frequently asked questions
The sleeve accommodates micro boring bars and small boring tools with a Ø3 mm shank.
Slide the tool shank into the sleeve bore and tighten all 3 hex socket screws evenly until securely clamped.
The sleeve fits tool posts with a Ø20 mm bore and a flat at 19 mm. Verify your tool post dimensions before placing an order.
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Shipping
All orders are delivered by courier company GLS. For orders exceeding 369 PLN gross shipping is FREE
| Courier GLS | Przelew24 / Prepayment | 14,76 zł gross | Delivery time 1 working day |
| Courier GLS | Cash on delivery | 17,26 zł gross | Lead time 1 working day |
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