065431 Type 78-ACN TiCN Coated 3-flats on Shank - Blister pak Ultra Bit™ Multi-Diameter Step Drill Set (1/8 - 1/2", 3/16 - 1/2" & 9/16 - 1") Hose Fittings 68 (4F Series)

68 (4F Series)

Units can be used in ambient temperatures up to 250°F

• Manufactured to NAS 907 B aerospace specification

the ratio should be kept low

High tungsten content increases abrasion resistance resulting in a tough tool with long lasting durability

065431 Type 78-ACN TiCN Coated 3-flats on Shank - Blister pak Ultra Bit™ Multi-Diameter Step Drill Set (1/8 - 1/2", 3/16 - 1/2" & 9/16 - 1") Hose Fittings 68 (4F Series)2 4x the tool life of Titanium Nitride coated tools. Improved lubricity for better performance in steel and aluminum. Twice as hard as titanium nitride coating. Click Here for product catalog Proudly Manufactured in the U. S. A