- Model NO.: HEX NUT
- Ss200,202,304,316: DIN Standard
- Coarse Thread: DIN Standard and Bsw Standard
- Origin: Zhejiang
- Size: M3-M48
- Yellow Zinc Treatment: Fine Thread
- Specification: M3-M48
- HS Code: 7318160000
SIZE:M3-M48
MATERIAL:CARBON STEEL,STAINLESS STEEL 200,202,304,316
GRADE:4.8,8.8,10.9,12.9
TREATMENT:PLAIN,BLACK,ZINC PLATED,YELLOW ZINC PLATED ect.
PACKING:SMALL BOX PACKING OR BULK IN CARTON,THEN ON PALLET
DELIVERY TIME:AFTER CONFIRM THE ORDER WE COULD DO DELIVERY WITHIN 30-35 DAYS.
The Milling Machine was originally a horizontal milling machine created by American E. Whitney in 1818.In order to mill the spiral groove of the twist drill, American J.R. Brown created the first universal milling machine in 1862, which is the prototype of the milling machine for the lifting platform.The portal milling machine appeared around 1884.Semi-automatic milling machines appeared in the 1920s, and the workbench used the stops to perform automatic conversion of [feed-fast" or [fast-feed".After 1950, milling machines developed rapidly in control systems, and the application of digital control greatly improved the automation of milling machines.Especially after the 1970s, the digital control system and automatic tool change system of the microprocessor were applied on the milling machine, which expanded the processing range of the milling machine and improved the machining accuracy and efficiency.As the mechanization process intensified, CNC programming began to be widely used in machine tool operations, which greatly released the labor force.CNC programming milling machines will gradually replace manual operations.The requirements for employees will also be higher and higher, and of course the efficiency will be higher and higher.
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Jiangsu Hoston Machine Tools Co., Ltd. , https://www.hosdunmachinetools.com