Our products range from bolts, nuts to wood screws, machine screws, self-tapping screws, washers, rivets, anchors etc. according to DIN, ANSI, BS and JIS standard.
Washers, Screws, Bolts, Nuts, Threaded Rod, Blind Rivets
various kinds of Guardrail bolts for freeways and railways, Carriage bolts and Hex bolts, Hex coach screw, Flange bolts, Nuts, etc, that conform with the ISO, ANSI, ASME, DIN, BSW, JIS, GB. We also customize various special-shaped parts according to the customer's requirements and specifications.
We can produce fasteners of full types and specifications, the standards include DIN, ANSI, JIS, BSI and so on.
The main products: hex nuts,square nut,hex head bolt,carriage bolt,roofing screws,plain washers,spring washers,machine screws,self-tapping screws
bolts, nuts, hardened washers, Spring Lockwashers, self drilling screws, tapping screw, brass wood screw, brass machine screw
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.
We provide high-quality fasteners according to the standards of DIN, ISO, ANSI/ASME, IFI, ASTM, BS, AS/NZS, JIS, KS as well as special fasteners at customers requirement. At present, our products include bolts, nuts, washers, and threaded rods covering 4 series and 30 categories. Materials involve carbon steel, alloy steel, stainless steel, etc. Under the collaboration of the staff and with years of experience in marketing, our products enjoy ready markets in United States, Europe, Australia, South-east Asia and other Pacific countries and regions and are well-appreciated by the customers.
Our company mainly manufactures and markets fastener product series, including hexagon bolt, Hexagon flange bolt, carriage bolt, half-round head oval neck bolt, square-head bolt, T-bolt, U-bolt, anchor bolt, guide bolt, hexagon head wood screw, hexagon socket head cap screw, hexagon square nut, and various washers, etc; product standards: German Standard, Australian Standard, American Standard, Japanese Standard, and International Standard, etc; product specifications: M6-M22 (1/4"-7/8"); performance grade: 4.6, 4.8, 5.8, 6.8, 8.8, 10.9 and 12.9 (American grade: 2, 5, 8 and 10); surface treatment: Galvanization (trivalent chromium), color-hardening, pot galvanizing, and galvanizing dyeing; and annual production capacity.
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.
Hex head bolts and screws, High strength bolts for Structural application, Full thread stud bolts, Double-end stud bolts , Socket head cap/set screws, Welded stud, Anchor bolts, U bolts sets, Clamp sets, Insulation clamp sets.
Hex nuts, Heavy hex nuts, High strength nuts
for Structural application, lock nuts
Plain washer, spring washer, square taper
API 20E BSL1、BSL2、BSL3 Bolts and Nuts
Main products: Finished hexagon head bolts conforming to national standards including GB30-76, GB21-76, GB5780-GB5783-86(Grade 4.8, Grade 8.8), diameter is M6-M30 and length is 16mm-200mm
Processing customized business: Bolt with reduced stem, tower bolt, lock bolt, anchor bolt, stud bolt, galvanized bolt, DIN933-931 bolt, bolt of American National Standards Institute (ANSI), bolt of British Standards (BS), bolt of Japan Industrial Standards (JIS) ISO and matching products,and a variety of shaped bolts manufactured according to he requirement of customers.
High strength bolts