Top 20 Best Selling Step Drill Bits (2019)




Neiko Tools U.S.A. Titanium Step Drill Bit 1/4 to 1-3/8 in 1/8 Increments, Two-Flute Design for Faster, Smoother Cutting, 3 Flatted 3/8 Shank, Heat Treated HSS with Titanium Nitride Coating, Self-starting - no walking and no center punch required, Perfect ... more info

Made with drop forged heat treated high speed steel (HSS) with titanium nitride coating for longer life time. High speed, titanium nitride coated steel Replaces 28 separate drill bits Two fluted design for fast, smooth cutting. Automatically deburrs holes ... more info


Package comes with five durable step drill bit. Sizes with 1/4-inch Shank: 3/16-inch - 1/2-inch, 6 steps; 1/4-inch - 3/4-inch, 9 steps. 3/8-inch Shank: 1/8-inch - 1/2-inch, 13 steps; 1/4-inch - 1-3/8-inch, 10 steps; 3/16-inch - 7/8-inch, 12 steps. 5 piece ... more info





Made with drop forged heat treated high speed steel (HSS) with titanium nitride coating for longer life time. Secured in aluminum carrying case. High speed, titanium nitride coated steel Replaces 28 separate drill bits Two fluted design for fast, smooth c ... more info

KREGs one-piece design eliminates clogging and provides a much smoother and faster drilling stroke than the drill bits with replaceable center drills. The DKDB bit is made of cobalt steel that increases the bits life. Because the DKDB bit is also 3/8 diam ... more info



Package comes with five durable step drill bit. Sizes with 1/4-inch Shank: 3/16-inch - 1/2-inch, 6 steps; 1/4-inch - 3/4-inch, 9 steps. 3/8-inch Shank: 1/8-inch - 1/2-inch, 13 steps; 1/4-inch - 1-3/8-inch, 10 steps; 3/16-inch - 7/8-inch, 12 steps. 5 piece ... more info

IRWIN Tools 10235 Unibit Sheet Metal Step Drill Bit offers 10 different hole sizes in one single bit, from 1/4 to 1-3/8 in increments of 1/8. Ideal for drilling true, round holes with smooth, clean finish in a variety of materials like sheet metal, alumin ... more info



433-30912 Features: -Patented design two cutting flutes allow for clean burr-free holes.-Cust through materials faster than standard bits.-Eliminates the problem of tip breakage on standard drill bits.-Applicable Materials: Most Metals, Stainless Steel.-C ... more info


Drill multiple size holes with one bit. Drill sheet metal and aluminum without deforming or distorting. Bits start on contact, debur and chamfer while drilling and do not require a center punch. Titanium nitride coated high speed steel. 1/4 inch hex shank ... more info


The Lenox 30888-VB11 Vari-Bit Step Drill Bit - 7/8 and 1-1/8 for 1/2 and 3/4 Conduit has a patented two flute design which cuts fast, clean, round holes that are accurate and burr-free. The enhanced flute design also removes chips rapidly to ensure longer ... more info

The single drill bit that does it all! Forged in industrial grade molybdenum steel and heat treated to a Rockwell 61-63 hardness, these self starting, laser-marked step bits provide clean and dependable drilling in all sheet stock materials to 1/8 thick. ... more info




Up to 3 to 4 times stronger than the typical single purpose bit. Cuts through hardened steel, ceramic tile, marble, plastic, cast iron, concrete, porcelain, glass, and woods. Negative back grinding enables tip to bore through materials with a filling acti ... more info

585-10239 This item features: -New SpeedPoint tip provides 6X faster initial penetration time than before, and eliminates the need for center punching. -Single-fluted cutting edge assures true round holes, and allows greater control with less vibration ... more info


Includes 1/4-in Bit, 5/16-in Bit, 3/8-in Bit, 1/2-in Bit ... more info


1/4-Inch hex shank 3 bit set replaces 17 individual drill bits. Titanium nitride coated high speed steel. For use with metal, wood and plastic. Starts on contact, no center punch needed. Automatically deburrs holes as you drill. ... more info



Combine shipping on over 400 products from Golden Coulee. $3 total shipping no matter how many items purchase if within USA. International shipping is combined by weight. Golden Coulee is the sole authorized internet seller on TEMO brand. Counterfeit prod ... more info

CMT forstner bits are made of high speed steel and have a 3/8 shank. Forstner bits are used to drill flat bottomed holes. Available in 16 standard and 5 metric sizes. ... more info



A Professional Quality Titanium Coated M2 HSS 13/16 - 1 3/8 9-Step Drill Bit * High speed, titanium nitride coated steel * Stepped in 1/16 increments * Fluted design for fast, smooth cutting * Automatically deburrs holes as you drill * Step sizes: 13/16, ... more info

To do the job right you need the right tools! That is why JEGS has teamed up with Performance Tool to offer you a complete line of professional tools to build, maintain, and customize your ride! These high quality tools are a great addition to any shop an ... more info

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