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
Haiyan Hongrun Fastener Co., Ltd is a professional manufacture of producing 4.8, 8.8, 10.9 and 12.9 of the hexagonal flange bolt (including Prevent slippery tooth flange screws, wheel hub screw and Seat belt screw), high strength auto distribution fasteners and other kinds of non-standard special items.
Various kinds of bolts, screws, hex nuts, flange nut, plain washers, spring washers, wood screws, thread rods and so on according to DIN, BS, ANSI/ ADSI, NFE, GB and ISO standards.
Materials: carbon steel, stainless steel and copper with brüniert zinc plated, galvanized and nikel plated in the surface.
Products: screws, bolts, nuts, washers, pins, rivets and so on.
Our products are widely used in the areas of energy, electron, wiring, mechanism, chemistry, metallurgy, mould, hydraulic pressure, cars and so on.
We can also manufacture non-standard fasteners according to guests’ inquiries.
Our products have passed the authentication of ISO9001, QS9000 and other international standards.
EF has ten years’ experience of fastener production and sales, and our products are mainly exported to the United States, Canada and South America.
Since 2014, EF began the production and sales of special parts, such as machining parts, stamping parts, casting parts, forging parts and other non-standard products. Material covers copper, aluminum, plastic, rubber, carbon steel, stainless steel, alloy steel etc., and the products are mainly sold to North America and Europe.
Our registered head marking are ‘ EF’ and ‘01XG’, which can be used around the globe.
In September 2017, EF moved to Beilun district, with a big warehouse. It helps long-term customers to stock spare parts inventory to meet their split deliveries. Meanwhile, we can also do some special packing for customers in warehouse.
EF has passed the ISO9001-2015 system certification
Welcome new and old customers to visit our company.
all kinds of hex socket head bolts, hex bolts, carriage bolts, double end studs, anchor bolts, U bolt, T bolt, track bolts, flange bolts, guardrail bolts, threaded steel bolts and a variety of high strength non-standard fasteners, various specifications of standard and non-standard nuts, washers and studs. Grade range: Grade 4.8 to Grade 12.9.Materials: steel and stainless steel. Surface treatment: zinc plated, black, hot dip galvanizing, plain and so on. DIN931 DIN933
Hex bolt stud rod
Bolts and Screws:
Hex Socket Head Cap Screw,
Hex Socket Head Set Screw,
Hex Socket Flat Head Screw,
Hex Socket Button Head Screw,
Hex Socket Head Shoulder Screw,
Hex Head Bolts
Wheel Hug Bolt
Drop in Anchor,
ISO, DIN, BS, ANSI, ASME, JIS, GB, other standard bolts, screws and standard parts & non-standard fasteners
Lederer has been one of the leading suppliers of stainless steel fasteners for more than 40 years and offers more than 20,000 different articles direct from stock:
- screws, pins, nuts, rings, washers
- made from stainless steel, carbon steel and non-ferrous materials （A4-80、Duplex Stainless Steel）
- standard and designed parts
- DIN, EN, ISO and inhouse
- special parts by drawings and special materials
Lederer is big enough to realise even substantial and elaborate projects (we will be glad to provide references), and small enough to react quickly, flexibly and unbureaucratically to market and customer requirements.
Our main products consist of three major series-threaded rods, bolts and nuts, covering over 2000 varieties. The products are widely used in many industries, such as machinery, construction, electronics, electrical appliance, etc.