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Migiwata Metric M35 Cobalt Steel Extremely Heat Resistant Twist Drill Bits with Straight Shank Set of 13pcs to Cut Through Hard Metals Such as Stainless Steel and Cast Iron

Different types of drill bits are used to cut holes in different types of materials. This set of Migiwata M35 cobalt steel drill bits are particularly successful in cutting through hard metals such as stainless steel and cast iron, although they can be used for softer materials, too. Cobalt drill bits are not made of pure cobalt, but rather a steel alloy with certain percent cobalt. The 5-percent alloy is known as M35 grade. The cobalt increases the strength of the steel and makes it more heat-resistant; this is an important factor in drilling hard materials because the friction of metal against metal can produce high temperatures that damage the material or the drill bit. Tests shows that the M35 cobalt steel drill bits can penetrate a 5mm-thick 304 stainless steel plate in 5 seconds. Cobalt drill bits are more expensive than other drill bits, but if you regularly drill through metal, they are a good investment since they tend to last longer. Notice: The working life of the drill bits can be largely prolonged by using with cooling liquid. The bits are not suitable for hardened steel/heated treated steel. Specifications: Material: M35 Cobalt Steel(5% Cobalt and 95% High Speed Steel)Point Angle: 135 Degree Flute Type: spiral Hardness: Rockwell 67 Shank Type: straight shan...
Neiko 10193A Titanium Step Drill Bit Set, High Speed Steel | 3-Piece Set | Total 28 Sizes

This compact set replaces 28 individual drill bits. 3pc Step Drill Bits. 1/8"- 1/2", 3/16"- 1/2", 1/4"- 3/4". Two-flute design for faster, smoother cutting. Package comes with one 3/16-inch to 1/2-inch six-step bit, titanium coated. One 1/4-inch to 3/4-inch nine-step bit, titanium coated.
DEWALT DWA1790IR 3-Piece IMPACT READY Step Drill Bit Set

The DWA1790IR three-bit set with stepped measurements (view larger). With this three-piece set of impact-ready step drill bits from DEWALT (model DWA1790IR), you'll get the job done more efficiently with less reactionary torque -- in less time. They're optimized for your DEWALT impact driver with its 1/4-inch hex shank, but they also deliver strong performance every time in rotary drill drivers. The advanced double spiral flute design outperforms straight flute design and extends the life of the bit. The split point tip increases speed, and they also include laser-engraved measurements to increase step visibility. This package includes a 1/8- to 1/2-inch bit, a 3/16- to 1/2-inch bit, and a 3/16- to 7/8-inch bit. Among the wide variety of applications these bits can be used for, they're ideal for drilling into cans, panels, and junction boxes for electricians; enlarging holes in ducts for HVAC applications; and enlarging door hardware for carpenters. What's in the Box Three step drill bits (model DWA1790IR) About DEWALT DEWALT is a leading manufacturer of industrial power tools and accessories, including corded and cordless drills, saws, hammers, grinders, routers, planers, plate joiners, sanders, lasers, generators, compressors, nailers, saw blades, metal and masonry drill b...
Tacklife PDH06A Classic Titanium Step Drill Bit Set & Automatic Center Punch,High Speed Steel |5-Piece Set| Total 50 Sizes,Double Cutting Blades Design with Aluminum Case

Tacklife - Professional team on Amazon, which deals only with development of the tools. We commit ourselves to using qualitative tools to improve the quality of life. Features: 1. Cobalt added reduces friction and lasts longer than those which does not contain cobalt bits; 2. The sharpness and titanium coating ensure easily cut through most sheet metal, plastic and some other materials with ease; 3. Laser marking makes the size more clear; 4. X-type openings design to facilitate the removal of cutting waste when drilling; 5. Double cutting blades design enables a faster and smoother cutting; 6. High speed steel for longer service life; 7. 3-sided shank prevents slip in drill chuck; 8. Delivers an automatic spring-driven strike when pressed against surface; 9. Adjustable cap regulates striking force; 10. Brass body has a deeply knurled surface for nonslip control. Specification: Size: #1: 1/4" to 1-3/8" 10 Steps (1/4'', 3/8", 1/2", 5/8", 3/4", 7/8", 1", 1-1/8", 1-1/4", 1-3/8") #2: 3/16" to 7/8" 12 Steps (1/4'', 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4", 13/16", 7/8") #3: 1/4" to 3/4'' 9 Steps (1/4'', 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4") #4: 1/8" to 1/2" 13 Steps (1/8", 5/32", 3/16'', 7/32", 1/4'', 9/32", 5/16", 11/32", 3/8'', 13/32", 7/16'', 15/32",...
Neiko 10197A Titanium Step Drill Bit Set, High Speed Steel | 5-Piece Set | Total 50 Sizes

Neiko 10197A Titanium Step Drill Bit Set, High Speed Steel | 5-Piece Set | Total 50 Sizes
CO-Z 5pcs Hss Cobalt Multiple Hole 50 Sizes Step Drill Bit Set with Aluminum Case

Specifications Item Type: Step Drill Size: #1: 3/16" to 1/2" 6 Steps (3/16'', 1/4'', 5/16", 3/8'', 7/16'', 1/2'') #2: 1/8" to 1/2" 13 Steps (1/8", 5/32", 3/16'', 7/32", 1/4'', 9/32", 5/16", 11/32", 3/8'', 13/32", 7/16'', 15/32", 1/2'') #3: 1/4" to 3/4'' 9 Steps (1/4'', 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4") #4: 1/4" to 1-3/8" 10 Steps (1/4'', 3/8", 1/2", 5/8", 3/4", 7/8", 1", 1-1/8", 1-1/4", 1-3/8") #5: 3/16" to 7/8" 12 Steps (1/4'', 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4", 13/16", 7/8")" Features 1. Cobalt added reduces friction and lasts longer than those which does not contain cobalt bits. 2. High speed steel for longer service life. 3. Double cutting blades design enables a faster and smoother cutting. 4. Automatically deburrs holes while drilling 5. 3-sided shank prevents slip in drill chuck 6. Includes a protective aluminum case to make the drills not easy to dull. 7. The sharpness and titanium coating ensure easily cut through most sheet metal, plastic and of course wood and some other materials with ease. Package 5x Step Drill Bit Set 1x Aluminum Case.
Neiko 10194A Titanium Step Drill Bit, High Speed Steel | 1/4" to 1-3/8" | Total 10 Step Sizes

Neiko 10194A Titanium Step Drill Bit, High Speed Steel | 1/4" to 1-3/8" | Total 10 Step Sizes
Klein Tools KTSB15 Step Drill Bit #15 Double Fluted 7/8 to 1-3/8-Inch

No need to worry about losing your tools in the dark again with Klein Tools' Hi-Viz 1/4'' (6 mm) Cabinet-Tip Screwdriver. The glow-in-the-dark handle can stay illuminated for up to 30 minutes! Plus, it charges in direct sunlight or artificial lighting.
Hi-Spec 20V Cordless Power Drill 1300mAh Lithium-Ion with 89pc Wood, Masonry & Steel Drill Bits, Screwdriver Bits, Wire Brush Wheels, Grinding & Polishing Accessories Professional Drill Kit in Case

- Fulfilled By Amazon: Free returns for items within 30 days of shipment receipt - Hi-Spec Warranty: All our products meet international standards of testing and are guaranteed against defects in design, material and workmanship
Zimtown 1-1/2" SDS Electric Rotary Hammer, Steel Rotary Drill Machine Concrete Tile Breake Plus Demolition Variable Speed with Bits, 1100W 110V
