Screw specification standard - GB standard

Specification Standard - GB Standard

Slotted cap screws GB/T 65-2000
Slotted pan head screws GB /T 67-2000
Slotted countersunk head screws GB/T 68-2000
Slotted countersunk head screws GB/T 69-2000
Hexagon socket head cap screws GB/T 70.1-2000
Hexagonal flat round head screws GB/T 70.2-2000
Hexagon countersunk head screws GB/T 70.3-2000
Slotted cone end set screws GB 71-85
Slotted cone end positioning screw GB 72-88
Slotted flat end set screws GB 73-85
Slotted recessed set screws GB 74-85
Slotted cylindrical end set screws GB 75-85
Hexagon socket flat set screws GB/T 77-2000
Hexagon socket end set screws GB / T 78-2000
Hexagonal cylindrical end set screws GB/T 79-2000
Hexagon socket set screws GB / T 80-2000
Cylindrical spherical head end set screws GB 83-88
Square head concave set screws GB 84-88
Square head long cylindrical set screws GB 85-88
Square head short cylindrical cone set screws GB 86-88
Cross recessed pan head screws GB/T 818-2000
Hexagon head does not come off the screw GB 838-88
Knurled head does not come off the screw GB 839-88
Plastic knurled head screws GB 840-88
Slotted cylindrical head axis screw GB 946-88
Slotted spherical head cap screws GB 947-88
Slotted countersunk head does not come off the screw GB 948-88
Slotted countersunk head without screws GB 949-88
Hexagonal flower pan head screws GB 2672-86
Hexagonal countersunk head screws GB 2673-86
Hexagonal flower countersunk head screws GB 2674-86
Hexagon socket head shoulder screw GB 5281-85
Hexagonal flower shaped cylindrical head screws - GB4.8 GB 6190-86
Hexagonal flower head cap screws -8.8 and 10.9 GB 6191-86
Precision mechanical fasteners Cross recessed screws GB/T 13806.1-92
Cross recessed countersunk head screws GB/T 820-2000
Square head flat set screws GB 821-88
Cross recessed cylindrical head screws GB /T 822-2000
Cross recessed pan head screws GB 823-88
Ring screw GB 825-88
Slotted pan head positioning screw GB 828-88
Slotted cylindrical end set screws GB 829-88
Slotted cylinder head axis screw GB 830-88
Slotted headless axial screws GB 831-88
Slotted spherical head cap screws GB 832-88
Slotted large cap screws GB 833-88
Knurled head screws GB 834-88
Knurled flat head screw GB 835-88
Knurled head screws GB 836-88

Buick Android Car Dvd

Buick Android Car Dvd(touch screen car dvd player)


1.Buick Android Car Dvd: After the upgrade of the car GPS player for Porsche, the interpretation of the music, and the atmosphere was precise and delicate balance, show the good music and soft beauty, to bring you the perfect spot to experience. Music composed of gorgeous and classic charm pleasant, to have a sense of energy, density, information the amount of sound, constitute elements of resolution and position sense. So that we can enjoy comfortable music, but also allows us to naturally into the music, through profound perception of music thoughts and emotions and the evolution and rhythm are the soul of the joy from rising with Buick 4.4 Android Car Dvd .


2.Buick 5.1 Android Car Dvd: Bulit-in WIFI hotspots sharing:easy and seamless internet access for you to browser the internet, watch online videos, check your mail, play games, download apps, or even navigation with free online maps.Cost-effective with free online maps: You can easily access different online maps such as Google map, IGO, Sygic and Waze map for free. With Google map, you can get the most accurate and up-to-date routes, live traffic data and more. Find your way around has never been faster and easier.


3.Buick 6.0.1 Android Car Dvd: Support easy-connected feature: Compatible with android smartphones and devices, the easy-connected feature enables mutual control between your smartphone and car head uni. You can simply connect and synchronize your smartphone to the uni via USB, with no additional software required.

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