
MAIN PRODUCTS | |||
Drill Bits For Metal | Drill Bits For Wood | Drill Bits For Masonry | Hole Saws |
Diamond Saw Blade | TCT Saw Blades | Grinding Wheel | Milling Cutters |
Taps & Dies | Abrasive Tools | Screwdriver Bit & Sockets | Other Tools |
Product Name | Step Drill Bit |
Material | HSS Cobalt M35 |
Size | 4-12mm/4-20mm/4-32mm |
Flute Type | Straight Flute / Spiral Flute |
Flute Number | Single Flutes / Two Flute /Three Flutes |
Shank | Triangle Shank(Quick Change Hex Shank, Round Shank, Double R Shank,Tri -flat shank are Available) |
Surface Finish | Titanium coated,Bright, Black & Amber, Co-coated, Black Oxide, Black & Bright, TiAIN are Available |
Color | Amber Color ,Bright, Black Oxide, Titanium, Black & Gold, are Available |
Package | custom/pvc/box/carton |
Features | 1. Step drill bits are perfect for drilling and enlarging multiple-holes in thin sections of sheet metals, pipes, plexiglass, plastics, wood up to a thickness of 5mm. 2. A variety of hole diameters can be drilled using only one tool. 3. The dimension of drilled hole is exact. 4. Two Flute Design: provides longer life and better chip removal. 5. Titanium coating provides up to 2 times the life over high speed steel. 6. Only for rotary use. |






The core of high-quality tools lies in high-quality materials, and high-quality tools require multiple guarantees, Materials, coatings and processes should be kept improving,The process depends on the sharpener, passivation equipment, tool angle treatment, and the understanding of the sharpener.
Based on this, we have advanced technology and advanced equipment, specializing in production: drill bits, milling cutters, hole saws, saw blades and other cutting tools for a wide range of uses.
Excellent design, production, and trade management ensure that we can provide competitive products and services to global customers.


Q: Is OEM available?
A: Yes, OEM and customization are available. Graved logo marker,Laser logo marker,, customized packing. Printed Inner box, Carton box.
Q: Are samples available?
A: Yes, you can ask some samples for testing after confirming our prices, but please pay the sample and freight fee, the sample fee will be returned to you after you making official order.
Q: What is your payment terms?
A: T/T,L/C,D/A,D/P,Paypal,Western Union,for different circumstances.
Q: What's your delivery way?
A: Express delivery, air shipping, sea shipping are available for your request.
Q: What's your delivery time?
A: Usual delivery time is 5-10days after receiving the advance payment; For the customized product, 15-30 days after receiving the advance payment.