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Piston HPb59-1
The riser blocks allow
• Integral motor or motorized c-face units
• Titanium carbon nitride (TiCN) coating raises cutting surface hardness greatly increasing resistance to wear
26480 Type 150-M Metric Jobber Length 135Â degree Split Point M42 Cobalt NAS 907J Drill Bit (10 pack) 3-1/4" ID Piston HPb59-1Manufactured from M42 HSS containing 8% cobalt which increases high hot hardness. Cobalt drills require rigidly held positive feed drilling equipment. Manufactured to NAS 907J specifications. Click Here for product catalog Proudly Manufactured in the U. S. A
