RUKO KEB-HM mandrino portafrese Weldon SK40 22mm DIN 6535 HB

Precision machining demands tool holders that maintain exact concentricity and rigidity. The RUKO KEB-HM Weldon Shank Holder solves the problem of tool run-out and vibration when clamping Weldon-shank tools in SK40 spindles. Its 22 mm clamping diameter and DIN 6535 HB compatibility ensure a secure, repeatable grip for milling and drilling operations.

Who is it for

CNC machinists and manufacturing professionals who use tools with Weldon flats (DIN 1835 B / DIN 6535 HB) and require a reliable, high-precision holder for SK40 machine spindles. Ideal for milling and drilling applications where accuracy and balance are critical.

Main features

• Weldon shank holder for SK40 (DIN 69871) machine taper
• 22 mm clamping diameter for tools with Weldon flat
• High-grade alloy tool steel with HRC 58-60 hardness
• Balancing grade G6.3 at 15,000 rpm
• Run-out accuracy less than 0.003 mm
• Set screw clamping mechanism for secure tool retention
• External coolant supply compatible
• Precision ground and polished surface finish
• Black oxide corrosion protection
• Pull stud thread M16

Specifications

• Tool Holder Type: Weldon Shank Holder
• Machine Taper: SK40 (DIN 69871)
• Clamping Diameter (d1): 22 mm
• Shank Standard: DIN 6535 HB
• Material: High-grade Alloy Tool Steel
• Hardness: HRC 58-60
• Balancing Grade: G6.3 at 15,000 rpm
• Run-out Accuracy: < 0.003 mm
• Clamping Mechanism: Set Screw (Weldon Flat)
• Coolant Supply: External
• Surface Finish: Precision Ground and Polished
• Pull Stud Thread: M16
• Manufacturer Series: KEB-HM
• Compatibility: Tools with Weldon flat according to DIN 1835 B / DIN 6535 HB
• Corrosion Protection: Black Oxide Finish

Tips

Ensure the Weldon flat on your tool aligns with the set screw for proper clamping. Tighten the set screw to the manufacturer's recommended torque to avoid tool slippage. Regularly inspect the holder for wear and clean the taper before installation to maintain accuracy.