HSS Drill Bits
metal drilling.
HSS (high speed steel) is a tool steel that features a high rigidity, high abrasion resistance and heat resistance, and it often used as the raw material for metal cutting tools require a higher sharpness.
The temperature will be high while grinding, as will the high speed steels’ rigidity.
| Material | Drilling bit diameter（mm） | Cutting speed （mm/min） | Feed （mm/r） | Feed speed（mm/min） |
| carbon structure steel and high-quality carbon structure steel | 10 | 75.4 | 0.15 | 360 |
| 15 | 89.5 | 0.18 | 342 | |
| 20 | 103.6 | 0.22 | 363 | |
| 25 | 117.8 | 0.25 | 375 | |
| 30 | 113 | 0.28 | 336 | |
| 35 | 104 | 0.3 | 285 | |
| 40 | 100.5 | 0.33 | 264 | |
| Cast iron | 10 | 62.8 | 0.2 | 400 |
| 15 | 84.8 | 0.22 | 396 | |
| 20 | 94.2 | 0.25 | 375 | |
| 25 | 102 | 0.28 | 364 | |
| 30 | 94.2 | 0.3 | 300 | |
| 35 | 93.4 | 0.33 | 280 | |
| 40 | 87.9 | 0.35 | 245 |
- We have extensive experience in drill bit production. We utilize advanced technology with a high quality, ensuring a fast delivery.
- 100% inspection for shipping drilling bits.
- Our products are of high quality and have a long service life
- Other drilling bits can be customized with samples
All the cutting tools and chucking are produced using automatic digital machines, thus achieving mass production. We have extensive stock, and can offer a fast delivery, between 7 to 10 days. We also have a design and operation team backed by extensive experience, which will ensure all production is carried out to meet customer requirements.
LONNZ is a premium provider of tooling solutions. We can provide all kinds of precision collet, CNC collet chuck and other lathe metalworking accessories. We are capable of suppling matching machining tools for all types of precision manufacturing companies. Our advantages lie in stable capability of product offering and outstanding ability of manufacturing. We can provide collets for SANDVIK NTK, KYOCERA, KORLOY, MITSUBISHI, TUNGALOY, SUMITOMO and other machines of famous brands. Sufficient items are available in stock. Also, our factory is located in Shenzhen and our supply chains of cutting tools, collets, milling tools and other machining tools are well-organized, so we can get all kinds of raw materials and processed materials including 9SiCr alloy tool steel and SUJ2 bearing steel very quickly at a low cost. We utilize dozens of CNC machining centers and well trained mechanic teams, which enables high-accuracy cutting, milling, chipping, grinding and other operations. For collets of machine tools, we can limit its error of concentricity precision up to 0.003mm and extend its life span to 600,000 times. We welcome our customers who need collets to provide us with your samples or drawings and we are able to satisfy your needs.
LONNZ has been specialized in producing various types of precision collets since the company’s early years. Starting in 2015, to meet the needs of our customers, we began expanding our product lines. Today, we provide a variety of turning tools, milling tools, drill bits, carbide inserts, and grinding wheels among many other products.
