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
Bulten, keeping 90% of its operations in-house, specializes in manufacturing of high-precision, high-strength screws and bolts made of carbon steel, stainless steel, copper, brass, etc., for special industrial applications. We supply our parts directly to OEMs and tier1 manufacturers in automotive, electronic and high-tech general industries in Asia. In China, Bulten is a licensed manufacturer of fastening technologies such as Torx, Torx Plus, Taptite, DUO-Taptite, Taptite II, Taptite 2000, Corflex, Powerlok, Plastite and Remform.
Our main products are self-drilling screw, drywall screw, chipboard screw, self-tapping screw, wood screw, furniture screw, concrete nail, roofing nail, bolt, nut, washer, anchor, rivet and non-standard fasteners according to drawings.
Our fasteners are widely used in electronic appliances, instruments, machinery and building etc.
LOCKCOTE or PRECOTE: With unique double-capsule sealing technics, it is applied to new-type tiny capsule anti-loose processing. The resin and hardener are sealed on screws. When the fasteners are installed, they will break, which makes the chemicals mix together to guarantee the strong binding power.
PRECOTE5 is applied to the seal of lower intensity round and conical screw thread to prevent gas or liquid from leaking, which is strongly gasoline-resistant and diesel oil-resistant (white).
PRECOTE30 is applied to medium intensity and can be easily uninstalled under high temperature for a long time with heat-resistant up to 300°F(150°C) (yellow).
PRECOTE80 is applied to standard anti-loose processing with high strength and heat-resistant up to 340°F(170°C) (red).
PRECOTE85 is applied to high strength screws and high stress screws with heat-resistant up to 300°F(150°C) (green).
We have a professional research team and some experinced workers. In order to guarantee the quality of our products, We setup an advanced laboratory with state-of-the-art inspection equipments. Our products are widely used in the field of aerospace, aviation, metallurgy, petroleum chemical industry, power station, sport, medical and architecture all over the world.
With the advanced facilities, Zhongbei Titanium produce various high quality Titanium products, including Titanium ingot, bar, pipe, tube, plate, sheet, wire, Zirconium ingot, Zirconium bar, Zirconium pipe and Ti equipment.Total quantity is about 10000MT/year.