Share on (10000008289965):


Product Name | 19pcs 1-10mm Hss Titanium Cobalt Twist Drill Bit Set |
Material | Hss 4341, Hss 6542(M2), M35, M42 |
Size | 1, 1.5, 2, 2.5, 3, 3.5, 4, 4.5, 5, 5.5, 6, 6.5, 7, 7.5, 8, 8.5, 9, 9.5, 10mm |
Machining Process | Through high-precision CNC machine tools and strict Heat treated full grinding |
Shank | Straight Shank |
Standard | Each drill bit is made to the exacting specifications of DIN338 manufacture |
Specifications | Metric size, Imperial size, Digital size. Welcome to contact us to tell you the specifications or customization you need |
Coatings | Titanium Plating |
Packing | Iron box |
Use | Drilling of stainless steel, iron, aluminum alloy, wood, plastic, etc. |
Features | 1. Fully ground A3K7 process, the raw materials are made of industrial-grade high-hardness 99 refining-grade high speed steel, which is stronger and more durable. 2. Manufacturing standard: DIN338, KL67.3L17, the drill has high surface finish, no surface black carbon layer, smooth cutting and high drilling efficiency. 3. It is used for drilling and processing of steels with different hardness (such as rail steel, stainless steel, spring steel, etc.) such as various machines and CNC machine tool platforms, and the precision is within 0.02 wire. |




Twist drill tachometer | ||||||
Size | Rotational speed (r/min) | Size | Rotational speed (r/min) | |||
1-2mm | 3000-1800 | 8-9mm | 500-400 | |||
2-3mm | 1800-1400 | 9-10mm | 400-350 | |||
3-4mm | 1400-1000 | 10-11mm | 350-300 | |||
4-5mm | 1000-800 | 11-12mm | 300-280 | |||
5-6mm | 800-700 | 12-13mm | 280-250 | |||
6-7mm | 700-600 | 14mm | 220 | |||
7-8mm | 600-500 | 15mm | 200 | |||






New products from manufacturers at wholesale prices