Our products range:bolts, nuts, wood screws, machine screws, self-tapping screws, spring washers, flat washers, anchors etc. according to DIN, ANSI, BS and JIS standard. Made from carbon steel at Grado 4.8, 6.8, 8.8, 10.9, 12.9 with ACABADO of plain, black, zinc(bright/yellow), brass, nickel, chrome, etc.
hex bolt, self-drilling screw
Our commpany mainly produces various high quality GB,ANSI,JIS,DIN standard fasteners and non-standard.Our products are exported to Europe and the Southeast Asia and are widely used in different indudtries,e.g.household electric appliances,instruments and meters,electric tools,automobile,building and decoration,etc.
production and sales of stainless steel self tapping screws,Mechanical screws,nuts, rivets,washers（plain washers and spring washers）,wedge anchor, stainless steel undercut anchor, aluminum extrusions, expansion screws and other standard or non-standard fasteners and curtain wall accessories.
Gem-Year are producing all kinds of high quality products such as bolts, nuts, screws, drawn wire and other off-standard fasteners, which are according to GB, ANSI, DIN, UNI,JIS and ISO standards with yearly production output of 200,000 metric tons.
2)hex socket cap screws
4)self tapping screws, thead forming screws
6) rivet nut
Product specifications comply with international standards, including GB, JIS, DIN, ANSI and ASME.
And we also can manufacture non-standard parts according to your drawings.
Specialized in producing all classes of blind rivets. Our products cover open-end blind rivets, close end blind rivets, multi-grip blind rivets, peel type blind rivets, colored blind rivets, and suits series with over 300 specifications and sizes and various materials of Aluminum, Steel, Copper, stainless steel and so on.
The company has multi-attack high-speed cars, producing German, American, British, flange nuts and various non-standard parts (round nuts, square nuts, etc.) as well as a set of expansion bolts, expansion tubes, expansion nuts can also be customized. And can produce special parts and difficult parts according to the local requirements of customers.
Our main products include stainless steel/ iron tapping screws, drywall screws, bolts, studs, washers, set screws etc. we can also customize non-standard parts. What’s more, we can supply kinds of bolts with round head, big flat head, countersunk head, washers, cheese head; tapping screws with flat head, countersunk head, round head, big flat head and washers; self-drilling screws with hexagon head, flat head and round head.