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| Type | Twist Drill Bit | Model Number | Standard(5D) |
| Diameter | 6-20mm | Total Length | 62-131mm |
| Anlge | 140° | Coating | H, TiAlN |
| Brand Name | Seoryn | Place of Qrigin | Jiangsu, China |
| Place of Qrigin | Jiangsu, China | Use | Metal Drilling |
| Marking Letter | Machining Material Group | Workpiece Material Group to be Machined | |
| P | P1-P15 | Steel | All kinds of steels and cast steels,excluding steels with austenitic structure |
| M | M1-M3 | Stainless steel | Austenitic stainless steel, austenitic and ferritic duplex stainless steel, cast stainless steel |
| K | K1-K7 | Cast iron | Gray cast iron, ductile cast iron,malleable cast iron and vermicular cast iron |
| N | N1-N10 | Nonferrous metals | Aluminum alloy, other non-ferrous metals and non-ferrous materials |
| S | S1-S10 | difficult-to-machine material | lron-based, nickel-based and cobalt-based heat-resistant alloys, titanium and titanium alloys |
| H | H1-H14 | Hard material | Hardened steel, quenched cast iron material, chilled cast iron |
| O | O1-O6 | Other | Plastic,glass fiber and carbon fiber reinforced plastic, graphite |
| Coating Type | TIN | TiAIN | As Requirement |
| Hardness(HV) | 2300 | 3000 | / |
| Thickness(UM) | 1 | 1~3 | / |
| Oxidation Temp | 500 | 900 | / |
| Friction Coefficient | 0.6-0.9 | 0.15-0.2 | / |
| Color | Golden | Black | / |
| OEM&ODM | 100% Product Qality Protection |
| 100% On-Time Delivery | Outstanding R&D Team |
| High Precision CNC Production Line | Absolutely Strict Inspection |
Changzhou SENYO Cutting Tools Co., Ltd is a high-tech enterprise not only specialized in Research and Develop, but also good at manufacturing solid carbide cutting tools and pushing them to market. For over a decade, the Company has been embracing itself with a philosophy of "Customer Foremost".
Our company has powerful technological strenght, imported high-precision machinery and Inspection equipment, including CNC grinding machines from Australia, named ANCA, also have Walter and kenner from EUROPE. All tremendously enhances the manufacturing capacity of the company, quality of products and competitiveness in market expansion.
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