C U T T I N G T O O L S - A B R A S I V E S information contained herein is confidential/trade secret information of tifco industries, inc. reproduction and/or distribution is prohibited. K-12 step Drills • Creates perfectly round holes in metal, wood, plastic and other thin materials • Constructed of industrial grade high speed molybdenum steel, heat treated and tempered for long life • Provides a range of hole sizes from 1/8" to 1 3/8", plus 3/8" to 1/2" holes in material up to 3/8" thick • 3-sided flatted shank won't slip in drill chuck • Self-starting tip - no center punching needed Dynamo™ – DouBle Flute Dynamo™ DouBle Flute Part No. Diameter Hole Sizes Step Depth Shank Size 52676 1/8 to 1/2 1/32 increments 13 1/8 1/4 52677 3/16 to 1/2 1/16 increments 6 3/8 1/4 52678 1/4 to 3/4 1/16 increments 9 5/32 3/8 52679 3/16 to 7/8 1/16 increments 12 1/8 3/8 52668 13/16 to 1 3/8 1/32 increments 10 5/32 1/2 52669 1/4 to 1 3/8 1/8 increments 10 1/8 3/8 Part No. Description 52675 3 Pc. Set Includes: 52671, 52672, 52673 uniBit® single Flute - hex shank Part No. Diameter Hole Sizes Step Depth Shank Size 52671 1/8 to 1/2 1/32 increments 13 1/32 1/4 52672 3/16 to 1/2 1/16 increments 6 1/16 1/4 52673 1/4 to 3/4 1/16 increments 9 1/16 3/8 Part No. Description 51415 4 Pc. Set Includes: 51416, 51417, 51418 and Quick Change Driver inDiviDual sizes Part No. Dia. Holes Step 51416 1/8-1/2 13 1/32 51417 1/4-1/2 5 1/16 51418 3/16-7/8 12 1/16 Driver Part No. Description 51413 Quick Change Driver 52671 52672 52673 52676 52677 52678 52679 52668 52669 51413 DouBle Flute W/Duramaxx® coating • Fast, sure starts even on curved surfaces • Up to 13 different hole sizes with one bit • Special axial and radial flute design for improved penetration speed • 135° split point self centers and easily starts with no pilot hole required • Step sizes are laser etched on tool • 2-flute design creates perfectly round holes in sheet metal, wood, tubing, plastic and other thin materials Part No. Diameter Hole Sizes Step Depth Shank Size 51406 1/8 to 1/2, 1/32 increments 13 1/8 1/4 51407 3/16 to 1/2, 1/16 increments 6 3/8 1/4 51408 1/4 to 3/4, 1/16 increments 9 5/32 3/8 51409 3/16 to 7/8, 1/16 increments 12 1/8 3/8 51422 9/16 to 1", 1/16 increments 8 5/32 3/8 51421* 1/4 to 1 3/8, 1/8 increments 10 1/8* 1/2 51423 13/16 to 1 3/8, 1/8 increments 10 1/8* 1/2 Part No. Description 51449 4 Pc Set Includes: 51406, 51407, 51408, 51409 51448 6 Pc Set Includes: All Sizes Except 51422 Quick change - tin coateD • 1/4" hex shank for fast tool change out using 51413 holder/driver 51415 * 3/16" steps at 7/8, 1 1/8 and 1 3/8 for conduit knockouts 51406 51407 51408 51409 51422 51421 Part No. Description 53316 6 Pc Set Includes: 52676, 52677, 52678, 52679, 52668, 52669 53319* 4 Pc Set Includes: 52676, 52677, 52678, 52679 53316 53308 Part No. Description 53308* 4 Pc Set Includes: 52676, 52677, 52678, 52679 53309* 3 Pc Set Includes: 52676, 52677, 52678 *Indicates New Item pouch sets Box sets WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov • DuraMaxx® coating provides a extra hard surface with high lubricity • Tool life may be extended by 500% or more in high wear or very abrasive situations
