TiAlN Coated Hex Shank Cobalt HSS Four-stage Drill Bits

DESIGN INSPIRATION When I looked into current drill bits for metalworking in the market, I found three-quarters flute of bit is unnecessary under most circumstances. On the other hand, you most likely need different sizes of drill bits for your projects. So I am thinking about combining different diameters within one d.
DESIGN INSPIRATIONWhen I looked into current drill bits for metalworking in the market, I found three-quarters flute of bit is unnecessary under most circumstances. On the other hand, you most likely need different sizes of drill bits for your projects.So I am thinking about combining different d

3 Flutes M35 Cobalt TiAIN Coated Step Drill Bit HRC89 HSS-Co Triangle Shank Metal Drill

1/4 Inch Hex M35 Cobalt TiAlN Coated Step Drill Bit Shank High Speed Steel Metal Drilling Hole Opener For Stainless Steel tools

Matework Step Drill Bit for Metal, Four Spiral Flute Cobalt Step Drill Bit (1/4-1-3/8) Wear-Resistant TiAlN Coated, 3/8 Shank Unibit for Carbon Steel, Stainless Steel, Wood, Plastic (M35 19 Size) - Yahoo

S&F STEAD & FAST Cobalt Step Drill Bit for Metal, Three Spiral Flute, 1/4-3/4, 1 pc, Heavy Duty Unibit, 1/4 Hex Shank, HSS M35 Steel Step Bit for Sheet Metal, Stainless

WORKPRO 3-Piece Step Drill Bit Set, 1/4 Hex Shank Quick Change High Speed Steel Titanium Coated Drill Bits for Plastic, Wood, Sheet Metal, Aluminum Hole Drilling, Well-Organized Bag Included,Metric

👍︎【34 step sizes】VORXEON step drill bit set includes 3 drill bits in 34 sizes. They are 1/8 - 1/2, 9 steps, 1/4 - 3/4, 12 steps, and 3/16 - 7/8,

VORXEON 3Pcs 34 Size M35 Cobalt HSS Four Spiral Flute Step Drill Bit Set 1/8-7/8, 1/4 Hex Shank Impact Ready TiAlN Coating Unibit Step Bit for

toolant M35 Cobalt Four Spiral Flute Step Drill Bit for Metal, from 1/8-1/2, 1/4 Hex Shank

Step Drill Bit for Metal Wood 1/8-1/2, 4-Spiral Flutes, M35 HSS Cobalt

Step Drill Bit for Metal Wood 1/8-1/2, 4-Spiral Flutes, M35 HSS Cobalt

HRC89 M35 Cobalt TiAlN Coated Step Drill Bit 3-12/4-12/4-20mm 1/4 Inch Hex Shank Metal Drilling Hole Opener For Stainless Steel - AliExpress

Woodworking Step Drill Upgraded 3-edge Step Drill Bit TiAlN HRC89 Coated HSS-Co M35 Cobalt 1/4 Hexagonal Shank Step Drill For Drilling 304 Stainless Steel (Color : 5 23mm)

M35 Cobalt-Industrial M35 cobalt high speed steel countersink bit, harder than normal HSS countersink bits. Also has better wear-resistance and durability. TiAlN Coating-Aluminum Titanium Nitride coating with 35Gpa nano hardness ensures better performance on hard metals and higher speeds can be achieved. 800°C max working temperature makes the service life much longer than other bits. Round Shank-Round shank allows use with most commonly drills in the market. Better performance on drill press.

amoolo Single End Countersink Bit, Cobalt Steel Countersink Drill Bit with TiAlN Coating Finish for Hard Metal, 82 Degree Point Angle, 3/8” Round

🔨【Double Spiral Flute】 Compared with the ordinary step drill, the cobalt step drill bit has a unique double cutting blade design. Even bring you the

Spiral Flute Cobalt Step Drill Bit M35,Hex Shank Unibit for Metal, Stainless Steel (1/4-1-1/8)

Yuedong Cobalt Step Drill Bit 4-22mm/5-21mm TiAlN Coated Step Drill 1/4 Inch Hex Shank;Step Drill Bit 4-22mm/5-21mm TiAlN Coated Step Drill 1/4 Inch Hex Shank

Suitable for general drilling of steel, stainless steel, copper, aluminum and other surfaces -Suitable for chamfering aluminum, insulating board, PVC

Woodworking Step Drill Upgraded 3-edge Step Drill Bit TiAlN HRC89 Coated HSS-Co M35 Cobalt 1/4 Hexagonal Shank Step Drill For Drilling 304 Stainless