NINDEJIN M35 Cobalt Step Drill Bit 4-32mm Triangular Hex HSS Step Drill Bit for Stainless Steel Hole Drill Metal Aluminum Wood1

Product Description1. M35 Cobalt HSS Step Drill: The M35 cobalt HSS step drill is high hardness, ideal for drilling through a variety of materials such as stainless steel, metal sheet, wood, plastic, aluminum sheet, copper, wood and other metal sheets.

2.Efficient Design: Spiral groove, Straight groove design allows easy chips removal as well as deburring holes clean for faster and smoother drilling performance; The spiral-flute design prevents metal filings from flying around and clears chips faster, allowing for smoother drilling without overheating. The split point tip is at 118 degrees to increase wear resistance.

3. Widely Applicable: cobalt step drill bit provides fast and smooth drills on stianless steel sheets, aluminum sheets, wood board, plastic board etc. With these step drill bits, you can process different kinds of diameter holes, which greatly saves you a lot of time. Suitable for DIY, general building or engineering use;

4.Noted: When drilling holes in stainless steel, the rotation speed cannot be fast, just a few hundred RPM is enough. It is best to add some water for cooling during processing, which can effectively extend the service life of the drill bit.

FAQ1.Wholesalers and retailers are welcomed.

For wholesale,we will offer discount or free express shipping which only takes short time to arrive.

If you are a retailer and want make your own business, we could send the goods to your customers directly and won't leave information about us if you'd like to.

2. We accept screw sets customized, these customized fastener sets with cheaper price give you real value for your money and allow you to sell at local with profitable price.

3.What should I do if I don't receive my item?

Please contact us first, we will track your item. If you can't receive it, we will full refund or resend it for you. We are honest seller, so don't worry.

4.If the products have problems how to do it?

Please contact with us in time, we will help you solve it.

condition: New Hazmat: None deliveryOptionStandard: Yes name: NINDEJIN M35 Cobalt Step Drill Bit 4-32mm Triangular Hex HSS Step Drill Bit for Stainless Steel Hole Drill Metal Aluminum Wood1 multipackBundle: Bundle source: asc brand: No Brand preorder: No