Friction Stir Welding M Series

This long-wearing polycrystalline cubic boron nitride (PCBN) tip for steel friction stir welding works great for most steel welds at higher temperatures.

  • PCBN tip with ceramic binder (highest percentage of PCBN)
  • Tungsten carbide shank
  • Longer wear
  • Recommended for most steel and stainless steel applications
  • Includes temperature monitoring port
  • Accommodates pin lengths up to 25mm
  • ~3,600 Vickers hardness


The tool tip is composed of 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-M-001 1 mm
MS-M-002 2 mm
MS-M-003 3 mm
MS-M-004 4 mm
MS-M-005 5 mm
MS-M-006 6 mm
MS-M-007 7 mm
MS-M-008 8 mm
MS-M-009 9 mm
MS-M-010 10 mm
MS-M-011 11 mm
MS-M-012 12 mm
MS-M-019 19 mm
MS-M-020 20 mm

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