cross recess head screws, hex cross recess head screws, square head bolts, cross recess head screws with BS standard, stud bolts with BS standard, square head bolts used in electromotors of air-conditioners, three-wave washers used in electromotors, E-rings, axle clamps used in electromotors, circlip for shaft, circlip for hole, rivets, all kinds of standard and non-standard fasteners, over 200 specifications and kinds, used in plane, ship & boat, automobile, machinery, construction & decoration, container, household electric appliance, bag & case, electric appliance.
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.
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.
main products are hex nuts, nylon nuts,machine nuts, and flange nuts, including DIN 934/ DIN 936/DIN 985/DIN 6915/ DIN 6923/BS 1083 /ISO 4032/DIN 6915 /UNI 5587 /BA 1083/ANSI B 18.2.2 / EN14399/BS1768/IFID-6/IS6623 and kinds of non-standard parts as per drawings of customers.
our strongest products are High Strength Structural HEX NUTS, such as A563 /A563M/ A194/A194M/A194 2H heavy hex nuts
Standard Fasteners: Nuts, Screws, Washers, Bolts, Screws, Threaded Rods, Drywall Screws, Rivets, Flange, Sleeves, etc., as well as a variety of Non-standard Fasteners, and we can also undertake external processing.