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Durable WST drill holders for modular machining

The WST interchangeable tip drill base provides a reliable foundation for consistent performance and adaptability in metal cutting. Built to securely hold matching inserts, this tool promotes rapid tip replacement, which helps reduce downtime at the machine. Featuring working length options of 3xD, 5xD, and 8xD, the holder system is a practical choice for achieving various drilling depths accurately.

Please pay attention to the Holder/drill bit combinations!

Only drill bits with a diameter of 12,50-12,90 mm fit on these supports.

Technical data

  • Tool type: Interchangeable tip drill (base body)
  • Diameter range: For inserts 12.50 to 12.90 mm
  • Variations: 3xD / 5xD / 8xD
  • Packaging unit: 1 piece
Tool Interchangeable tip drill
Diameter For Inserts 12,50-12,90 mm 
Types 3xD/5xD/8xD
Packaging unit 1 Pc

Dimensions of the WST drill holders

Item Nr. Drill lenght Diameter D2 L2 D3 L1 L3
WST D12.5-3xD-H 3211253 3xD 12,50 - 12,90 mm 16 48 23 39,0 110,8
WST D12.5-5xD-H 3211255 5xD 12,50 - 12,90 mm 16 48 23 65,0 135,8
WST D12.5-8xD-H 3211258 8xD 12,50 - 12,90 mm 16 48 23 104,0 173,8

Applications

This tool holder is designed for demanding machining tasks that require precise and deep boreholes. When paired with the appropriate carbide drill tips, the system performs effectively in general mechanical engineering, fixture manufacturing, and heavy industrial batch production.

Special features

The modular design of the WST base is a well-thought-out solution to enhance the overall efficiency of drilling processes. By offering length choices of 3xD, 5xD, and 8xD, operators can select the optimal reach for their specific workpieces. Furthermore, the holder’s rigid structure provides low-vibration guidance, which fosters good bore quality and reliable tool life.

3211253

Data sheet

Diameter Range
12,50-12,90 mm

Compatible products

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