Allied Machine and Engineering TMBK0250-BSPPM | 1/4 and 3/8"-19 BSPP x 0.390" Diameter x 0.394" Shank x 0.737" LOC x 3.307" OAL 4 Flute AM210 Coated Carbide Helical Flute Thread Mill

AccuThread 856 Solid Carbide is Allied's premium threadmilling product range, manufactured from micro grain carbide and coated in AM210 premium coating. This product is designed for the demanding environment of high production threadmilling.

Features:

• Allied's proprietary AM210 coating has a 25-50% increase in tool life
• Standard cutting lengths allow for multiple applications without the need for special thread mills
• Helical flute which offers increased strength and rigidity
• Thread Per Inch : 19