Friction Stir Welding Q Series

Made from PCBN with tungsten rhenium binder, the Q Series tool has the toughest, most crack-resistant polycrystalline cubic boron nitride (PCBN) tip available. This premium tool welds the toughest and thickest metals at higher temperatures.

  • PCBN tip with tungsten rhenium binder
  • Tungsten carbide shank
  • Recommended when toughness and torque are critical
  • Use on nickel-based alloys and higher-strength stainless steels
  • Includes temperature monitoring post
  • Accommodates pin lengths up to 25mm
  • ~2,000 Vickers hardness


Tool tip is composed of Q Series PCBN. Available shoulder diameters are 25 mm, 38 mm, 50 mm, and custom. Specify shank size of 1 inch, 25 mm, 38 mm, 50 mm, or custom size. Specify C4 or MM threading. For custom pin sizes, contact MegaStir.

Part Number Pin Length
MS-Q-001 1 mm
MS-Q-002 2 mm
MS-Q-003 3 mm
MS-Q-004 4 mm
MS-Q-005 5 mm
MS-Q-006 6 mm
MS-Q-007 7 mm
MS-Q-008 8 mm
MS-Q-009 9 mm
MS-Q-010 10 mm
MS-Q-011 11 mm
MS-Q-012 12 mm
MS-Q-019 19 mm
MS-Q-020 20 mm

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