01941 Type 78-AG Gold Oxide 3-flats on Shank - Blister pak Ultra Bit™ Multi-Diameter Step Drill Set (1/8 - 1/2", 3/16 - 1/2" & 9/16 - 1") 0.312" ID They are spring set and

They are spring set and electro-magnetically released

68 (4F Series)

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Click here for spec sheet: UCTX Spec Sheet

the CUCSHA has a Hard Chrome bearing insert and a Stainless Steel housing

01941 Type 78-AG Gold Oxide 3-flats on Shank - Blister pak Ultra Bit™ Multi-Diameter Step Drill Set (1/8 - 1/2", 3/16 - 1/2" & 9/16 - 1") 0.312" ID They are spring set andSpecial Axial and Radial flute design increases work piece penetration. Dual flute construction drills clean accurate holes in thin materials, quickly and easily. Click Here for product catalog Proudly Manufactured in the U. S. A