Cobalt high speed steel along with the titanium coating ensures extreme durability, will stay new and shiny for years to come.
Different sized shanks ensure compatibility with 1/4, 3/8 and 1/2 in. chuck sizes.
Non-walking drill tip provides fast and smooth drills on steel sheets, aluminum sheets, wood board, plastic board etc. (the board must be smaller in thickness than the height of step drill bits).
Please mark the spot that you are to drill for easier drilling and improved drill bits life.
TITANIUM | HIGH SPEED STEEL: classic high speed steel with titanium coating for proven capability and durability in drilling holes in plastic, aluminum, copper, stainless steel and many other types of sheet metal
135° SPLIT POINT TIP: increases cutting speed with self-centering and prevents walking
TWO-FLUTE DESIGN: clears chips faster and allows particles to escape easily
TRI-FLATTED SHANK: fits into power tools chuck securely and eliminates slip
Classic high speed steel with titanium coating for proven capability and durability in drilling holes in plastic, aluminum, copper, stainless steel and many other types of sheet metal
135° split point and two flute design increases cutting speed with self-centering and prevents walking, clears chips faster and allows particles to escape easily
Tri flatted shank fits into power tools chuck securely and eliminates slip
Set includes a sturdy blow molded organizing case for secure storage and easy carrying
HSS Titanium Coating - High speed steel along with titanium coating ensures outstanding durability and sharpness, can reduces the friction, runs cooler.
Meet Your Demands - With the step drill bits we offered, you can process different kinds of diameter holes, which greatly saves you a lot of trouble.Great for metal/wood/plastic countersunk. Suitable for Home DIY, and General Building/Engineering Use.
Design - The split point tip is at 118 degrees to increase the wear resistance. The two flute design provides a smoother cutting, allows the material particles escape easily for a much more clean drilling operation.
Easy Organizing - A drill bits holder with size index is included in the metal kit for easy storage and organizing without fear of it falling out.
HSS Steel Construction ----- High-speed steel construction for longer cutting edge life even at extreme temperatures.
Titanium Coating ----- Coated by titanium, this step drill set performs well in heat, corrosion and rust resistance.
Automatic Center Punch ----- Delivers an automatic, high-impact, spring-loaded strike when pressed against surface, adjustable cap regulates striking force.
50 Size In 5 ----- The bits set includes five standard step drill bits that can replace 50 individual drill bits.
TITANIUM | HIGH SPEED STEEL: classic high speed steel with titanium coating for proven capability and durability in drilling holes in plastic, aluminum, copper, stainless steel and many other types of sheet metal
135° SPLIT POINT TIP: increases cutting speed with self-centering and prevents walking
TWO-FLUTE DESIGN: clears chips faster and allows particles to escape easily
TRI-FLATTED SHANK: fits into power tools chuck securely and eliminates slip
Constructed of industrial high speed steel with titanium nitride coating for durability and strength to punch and drill clean holes in materials like plastic, aluminum, wood, copper, stainless steel and other types of sheet metal
Unibit split point tip accelerates cutting speed while preventing angled walking away from center line of bore
Two-flute spiral grooved design deburrs chip, dust and debris for clearance and smooth cutting
Quick change 1/4-inch hex shank makes for easy, convenient bit switches and is compatible with impact ready power tools
Dimensions: 5 pcs step drill bits enable 50 sizes - each step drill bit can drill several bore diameters. It can work as 50 pcs twist drill bits. You don't have to replace drill bit constantly with the step drill bits.
AUTOMATIC CENTER PUNCH - the center punch delivers an automatic, high-impact, spring-loaded strike-through adjusting the cap; it has a deeply knurled surface for nonslip control. The protective aluminum case makes the drills not easy to dull, bag packing will more light and easy to carry, both of them would be shipped randomly.
TITANIUM HIGH-SPEED STEEL: classic high-speed steel with titanium coating for proven capability and durability in drilling holes in plastic, aluminum, copper, and many other types of the metal sheet.
DOUBLE CUTTING SIDE & THREE-SIDED SHANK - Double cutting side and X-type openings design ensures a faster and smoother cutting; 3-sided shank design prevents slip in drill chuck can cut through the wood, sheet metal, steel, and other surfaces.
▲ 50 SIZE IN 5 - The bits set includes five standard step drill bits that can replace 50 individual drill bits, you can process 50 different kinds of diameter holes with the five pieces
▲ HSS & TITANIUM COATING - High speed steel makes it last longer than others, titanium coating ensures easily cut through steel sheets,aluminum sheets,copper & plastic & wood board and many other types of sheet metal with ease, and it can automatically deburr holes while drilling to keep the drill bit clean
▲AUTOMATIC CENTER PUNCH & PROTECTIVE ALUMINUM CASE - the center punch delivers an automatic, high-impact, spring-loaded strike through adjusting the cap; its brass body has a deeply knurled surface for nonslip control; and the carbide tipped bit makes the center punch 10 times stronger than normal one;protective aluminum case makes the drills not easy to dull
▲DOUBLE CUTTING BLADES & THREE-SIDED SHANK - Double cutting blades and X-type openings design ensures a faster and smoother cutting; and 3-sided shank design prevents slip in drill chuck; Provided with small pressure and the sets can cut through the wood, sheet metal, steel and other surfaces
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