HSS Step Drill Bits
HSS Straight Flute Step Drills
HSS Spiral Flute Step Drill Bit
Product Description:
(1) Stright Flute / Spiral Flute
4-12mm x 9 steps
4-20mm x 9 steps
4-30mm x 14 steps
4-32mm x 15 steps
6-20mm x 8 steps
6-30mm x 13 steps
6-30.5mm x 10 steps
6-32mm x 9 steps
3/16"-1/2" x 6 steps
1/8"-1/2" x 13 steps
1/4"-3/4" x 9 steps
3/16"-7/8" x 12 steps
7/16"-1-1/8" x 12 steps
1/4" - 1-1/2" x 11 steps
1/2" - 1" x 9 steps
9/16" - 1" x 8 steps
3/4" - 1-3/8" x 11 steps
13/16" - 1-3/8" x 10 steps
(2) Shank:
Round shank;
Hex shank;
Three flat shank;
Hex quick change shank;
(3) Surface:
White bright;
Titanium coated;
Black nitrided;
Cobalt coated;
(4) 3pcs Step Drills Set
3/16 - 1/2 x 6 step
1/8 - 1/2 x 13 step
1/4 - 3/4 x 9 step
4 - 12mm x 9 step
4 - 20mm x 9 step
4 - 30mm x 14 step
4 - 12mm x 9 step
6 - 20mm x 8 step
6 - 30mm x 13 step
Packing: (a) wooden box. (b) aluminum case. (c) blister with card.
Features:
• Dual fluted design for better chip removal and smoother finishing
• 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
• Cobalt added reduces friction and lasts longer than those which does not contain cobalt bits
• Includes a protective aluminum case to make the drills not easy to dull.
• 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
• Practical: For Plastic, Wood, Metal - Steel, Brass, Aluminum, Copper to drill round holes without wasting time by changing drill bits
• Versatile: Works on plastic, wood, and most metals including steel, brass, aluminum, and copper
• Durable: Constructed from steel with a titanium coating for strength and longevity
• 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
Company Information:
Ostar Tools Group, main head office is located in Shanghai City, and have factory are produce Hole Saws & Saw Blade at Jiangsu Province. We were established in 2003, as one of the leading manufacturers of hole saws & Saw Blade and exporters of different cutting tools in China.
Our partners and customers include the most famous companies around Europe, America, East Asia, and Australia.
Ostar's business is mainly involved in cutting tools for both industry and DIY use, including exporting qualified products from China, sourcing new products, making OEM design for our customers, and helping to establish and develop business in cutting tool market for partners.
Ostar has a wide product range, including Hole Saws, Saw Blades, Drills, Cutting Discs, specially used in cutting wood, metal and masonry, as well as some new items with patents, like Ratchetable Wrenches, Preset Torque Wrenches, Adjustable Wrenches, Permanent Magnetic Lifters, Universal Drills, 3 Flute Router bits, Vacuum Brazed Diamond Manual Wheels, Profiling Wheels and Cup Wheels.
In order to bring you the best service, we take every step of our work into consideration. Therefore, intelligent, innovative and experienced staff are indispensable. We have professional work divisions in each department, including sales, information and technique supply, manufacture monitor, artwork design, shipping arrangement, quality control and after-sales service.
Product Picture:
Contact Us:
website: http://ostartools.en.made-in-china.com
We invite you to join us and establish long-term cooperative relationship in future!