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Metal Drilling Engineered for Controlled Precision and Speed Shank Length Flute Length Drill Bit Diameter Shank Diameter Point Angle Overall Length Overall Length: The length from the point to the end of the drill bit Shank Length: The end of the drill bit that is secured by the drill Point Angle: The angle of the cutting edges Flute Length: The length from the point to the end of the flutes Drill Diameter: The cutting diameter of the drill bit Tip Geometry 135° Split Point • Self-centering (won’t “w
Metal Drilling Jobber Length Drill Bits Speeds and Feeds for Deep-Hole Drilling Cutting Speeds (by Working Material) Speeds for High Speed Steel Drills Aluminum and its Alloys Brass and Bronze (Ordinary) Bronze (High Tensile) Die Castings (Zinc Base) Iron-Cast (Soft) Cast (Medium hard) Hard Chilled Malleable Magnesium and its Alloys Monel Metal or High-Nickel Steel Plastics or Similar Materials (Bakelite) Steel – Mild (.2 carbon to .3 carbon) Steel (.4 carbon to .5 carbon) Tool (1.
Metal Drilling Jobber Length Drill Bits TURBOMAX® HSS Fractional Straight Shank Jobber Length Drill Bits (Series 733/731) 73124 METAL DRILLING • Self-centering, precision-ground TURBOMAX® feature-point tip eliminates “walking” on flat and curved surfaces, stays sharp longer, and drills faster than standard high speed steel bits. • Manufactured with premium high speed steel with black and gold oxide coating for maximum corrosion resistance.
Metal Drilling Jobber Length Drill Bits Cobalt HSS Fractional Straight Shank Jobber Length Drill Bits with 135˚ Point (Series 3016/631) 63124 • Engineered with Cobalt for high heat and abrasion resistance. • 135° split-point tip starts drilling immediately and eliminates “walking.
Metal Drilling Jobber Length Drill Bits Titanium Nitride (TiN) Coated HSS Fractional Straight Shank Jobber Length Drill Bits with 135˚ Split Point (Series 639/637) 63724 • Titanium Nitride coating resists heat and friction, providing up to six times longer life than standard high speed steel bits. • 135° split-point tip starts drilling immediately and eliminates “walking.” • Straight shank.
Metal Drilling Jobber Length Drill Bits Black & Gold HSS Fractional 3/8" Reduced Shank Jobber Length Drill Bits with 135˚ Split Point (Series 30191) 3019128B • Standard Black & Gold bit with 3/8" reduced shank Set: Metal Index: 3018005 Black Oxide HSS Fractional Straight Shank Jobber Length Drill Bits with 135º Split Point (Series 675/635) 63524ZR Set: Pro Set Cases: 314015 Decimal Equiv. .3906 .4063 .4219 .4375 .4531 .4688 .4844 .
Metal Drilling Jobber Length Drill Bits Black Oxide 1/4” Hex Shank Drill Bits 4935636 • 135° split-point tip starts drilling immediately and eliminates “walking.” • Engineered with high speed steel with black oxide coating for corrosion resistance. • 1/4” hex shank works in all Lock-n-Load® quick-change extensions as well as all drill chucks.
Metal Drilling Jobber Length Drill Bits Black Oxide HSS Metric Straight Shank Jobber Length Drill Bits (Series 681) 68950 • 135° split-point tip starts drilling immediately and eliminates “walking.” • Manufactured with premium high speed steel with black oxide coating for corrosion resistance. • Straight shank Applications: Automotive, maintenance and repair, portable drills, stationary drill press 60124 • • • • 118° chisel tip point is perfect for general purpose applications.
Metal Drilling Jobber Length Drill Bits General Purpose HSS Fractional 3/8" Reduced Shank Jobber Length Drill Bits with 118˚ Point (Series 738/718) 71832 • Standard general purpose bit with 3/8" reduced shank Applications: Automotive, maintenance and repair, stationary drill press Size 25/64" 13/32" 27/64" 7/16" 29/64" 15/32" 31/64" 1/2" Decimal Equiv. .3906 .4063 .4219 .4375 .4531 .4688 .4844 .
Metal Drilling Jobber Length Drill Bits General Purpose HSS Wire Gauge Straight Shank Jobber Length Drill Bits (Series 811) 80128 • • • • 118° chisel point tip is perfect for general purpose applications. Engineered with premium high speed steel in bright finish. Ideal for use when non-fractional-sized holes are required. Drills exact-sized hole for tapping applications.
Metal Drilling Mechanics Length / Screw Machine Length Drill Bits Left-Hand Cobalt HSS Fractional Mechanics Length Drill Bits with 135˚ Split Point (Series 305) 30524 • 8% Cobalt alloyed for higher heat and abrasion resistance. • Shorter drill for additional strength. • Drill into fasteners without tightening them. • Can often remove broken fasteners without an extractor.
Metal Drilling Screw Machine Length Drill Bits HSS Wire Gauge Screw Machine Length Drill Bits (Series 201) 20120 • Engineered with premium high speed steel with black oxide coating for corrosion resistance. • Numbered from 1 to 55 (large to small). • Ideal for use when non-fractional-sized holes are required. Drills exact-sized hole for tapping applications. • Shorter length for increased strength and rigidity. Applications: Industrial applications, maintenance and repair, automotive, machine shop 800.
Metal Drilling Silver & Deming Drill Bits Silver and Deming (S&D) HSS Fractional 1/2" Reduced Shank Drill Bits with 118˚ Point (Series 911/901) 91148 • 118° chisel point tip is perfect for general purpose applications. • Engineered with premium high speed steel with black oxide coating for corrosion resistance. • Ideal for heavy-duty metal drilling, automotive, body shop, and fabrication applications. • 1/2” reduced shank with 3-flats grips securely.
Metal Drilling Extra Length Drill Bits 12" Aircraft Extension HSS Fractional Straight Shank Drill Bits with 135˚ Split Point (Series 621/612) 61224 • 135° split-point tip starts drilling immediately and eliminates “walking.” • Engineered with premium high speed steel with black oxide coating for corrosion resistance. • Ideal for applications requiring an extended reach. Not recommended for deep drilling applications.
Metal Drilling Special Purpose Drilling Double-End HSS Drill Bits (Series 606/616) 10228 • 135° split-point tip starts drilling immediately and eliminates “walking.” • Engineered with premium high speed steel with black oxide coating for corrosion resistance. • Drills twice as many holes as a single-end drill bit.
Metal Drilling Jobber Length Drill Bit Sets 29-piece Metal Index Drill Bit Sets Automatic Indexing • For easy bit access and identification 3 Easy Steps to Open Case and Remove a Cartridge Removable Cartridges • Allows for easy transport to worksite Rubber Over-Molded Case • Protects case if dropped Slide Latch Open Case Remove Cartridge 3018003 Type Cobalt M42 HSS Fractional Cobalt M35 HSS Fractional TiN HSS Fractional Heavy-Duty HSS Fractional Black & Gold HSS Fractional TURBOMAX HSS Fractional TU
Metal Drilling Drill Bit Sets / Gauges Pro Set Cases METAL DRILLING 314018 318015 316015 4935643 Description 3018009 Contents Point Finish Item # 1/16" - 3/8" 135° Black Oxide 314015 1/16" - 1/2" with 3/8" Reduced Shank 1/16" (2), 3/32", 1/8" (2), 5/32", 3/16", 1/4" Drills and 12 Screwdriver and Nutdriver Bits 135° Black Oxide 314018 135° Black Oxide 357020 1/16" - 3/8" 135° Cobalt 316015 15-Piece Set Type Black Oxide HSS Fractional Straight Shank Jobber Length Black Oxide HSS Fra
Metal Drilling Step Drill Bits UNIBIT Step Drill Bits — Drill Multiple Hole Sizes with One Bit IRWIN® UNIBIT® step drill bits are ideal for drilling holes in just about any type of thin material. General purpose high speed steel UNIBIT step drill bits are perfect for use in mild steel, copper, brass, aluminum, plexiglass, wood, and laminate. Our Titanium Nitride-coated (TiN) bits resist heat and friction, which extends the life of the cutting edge six times longer than standard step drills.
Metal Drilling Step Drill Bits / Sets UNIBIT® HSS Metric Titanium Nitride (TiN) Coated 16103 # of Hole Sizes 9 5 7 10 13 Hex Shank Size 1/4" 1/4" 3/8" 3/8" 7/16" Carded Item # 16101 16102 16103 16104 16105 Description #1 1/8" - 1/2" (1/32" steps) #2 3/16" - 1/2" (1/16" steps) #3 1/4" - 3/4" (1/16" steps) #4 3/16" - 7/8" (1/16" steps) #5 1/4" - 1-3/8" (1/8" steps) #9 7/8" and 1-1/8" (1/2" and 3/4" Knock-Out) #10 1/2" (single hole) #11 7/8" (single hole) #12 3/8" (single hole) #13 1-1/8" (single hole) #
