1, HIGH-QUALITY MATERIAL:These bearings are made of premium carbon steel,has long service life and smooth surface,high efficiency and low noise.Each ball bearing has a rubber seal,can protect the bearing well and improve the service life greatly.
2,DESIGN FEATURES:Bearings under the ABEC system are generally called precision bearings, numbered from 1 to 9. The higher the number, the higher the precision level used in bearing manufacturing, the higher the ABEC level, the better the quality, smoothness and speed of the bearing.
✓ CARBON STEEL BALL BEARINGS - These awesome Skate Hut bearings are made from Carbon Steel so they're fast, smooth and ready to slot into your wheels.
✓ SKATE RATED - Carrying a skate rating means that these steel ball bearings are ideal for use as a skateboard bearing, scooter bearings, longboard and roller skate, inline skate and roller derby skate bearing.
Automatic Screw Feeder--The screw feeder will jam the arranged screws in the discharge port, and the next screw will come up automatically after the user removes one. production efficiency can be improved by 4 times.
For Different Types Screws --With its easy orbital adjustment, the screw machine can handle screws with M1-M5 (< 20 mm) between any specification. Ordinary screw, flat head screws, washers screw, tapping screw and so on, all can be applied to.