Introduction; Black currant extract powder derived from black currant fruit.Black currant ( Ribes nigrum L. Black currants are primarily grown in the northern hemisphere, including regions like Northern Europe, North America, Siberia, Denmark, Finland, Sw
Thrust ball bearing composition: Thrust ball bearing consists of three parts: seat washer, shaft washer and steel ball cage assembly. The shaft washer matched with the shaft and the seat ring matched with the housing.
Most popular nail and versatile style. For construction, carpentry and framing. Larger shank provides greater resistance to bending. Made to conform to ASTM F1667