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12mm ballscrew SFU1204 with Nut 640mm 4mm pitch

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$85 USD
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12mm Ballscrew SFU1204 RM1204 Anti Backlash Ball Screw Length 25.2 inch / 640mm 4mm Pitch with Nut (with Standard End Machining for BK/BF10), High Precision Part for CNC Machine

12mm ballscrew with 4mm lead and 640mm length, includes end machining for BK/BF10. Precision C7 grade for long service life and low friction. Customer insight: mixed signals on experience

Highlights

  • 4mm pitch and 640mm length
  • anti-backlash design
  • standard BK/BF10 end machining

Pros

  • 12mm diameter for stable guidance
  • 4mm lead with low friction
  • standard end machining for BK/BF10
  • precision C7 grade
  • long service life due to low friction

Cons

  • no explicit customer sentiment data
  • only 6 reviews available
  • no information on noise levels beyond general claim

Best For

  • cnc machine linear drive
  • ball screw replacement in milling setups
  • precision positioning in automation
  • robotic arm linear actuation
  • advancement stage in cnc fixtures
  • motion transfer in machining centers

Features

  • 12mm ball screw diameter with 4mm lead and 640mm length, standard BK/BF10 end machining
  • Precision C7 grade for high accuracy and positioning
  • Low friction reduces wear, lowers operation noise, and minimizes stick-slip
  • Low heat generation and small starting torque for efficient driving
  • Supports high speed and micro-feeding with high static and dynamic stiffness

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