Part:321X502
Unibit 3pc. Set contains the #1, #2 and #3 Step-Drill Bits. The three bits allow for a total of 28 hole sizes from 1/8" to 3/4". High-Speed Steel Fractional Self-Starting Unibit cuts progressively larger diameters. Designed for use with thin metals, Unibits also drill through wood, composition board plus plexiglass and plastics that often crack with conventional bits.
Kit 502 drills up to 28 hole sizes with just three bits (1/8" - 3/4" in 1/16" increments). For use with thin metals, Unibits also drill through wood, composition board,plexiglass and plastics that often crack with conventional bits. Unique single-flute design quickly drills perfectly round holes in thin materials with less effort than other bits. Cutting steps of progressively larger diameters drill up to 13 hole sizes with a single bit, not an entire costly set. Cutting edge enters one step at a time to cut rapidly in small bites without over-taxing motor.
Kit 502 drills up to 28 hole sizes with just three bits (sizes #1-#3). Use all-around Unibit #1 for most common drilling jobs. Drill 13 hole sizes (1/8"-1/2" diameter in 1/32" increments) with 1/4" shank, 1/8" step thickness. The #2 drills standard hole sizes in materials up to 3/8" thick. With 1/4" shank, 3/8" thickness, drill six sizes (3/16"-1/2" in 1/16" increments). Use #3 for medium-sized holes. Drill nine sizes (1/4"-3/4" in 1/16" increments) with 3/8" shank, 1/8" thickness.
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