railway fasteners: screw spikes, track bolts
non-standard fasteners: U bolt,square bolts, wheel bolts, special bolts and screws, drive screws
standard fasteners: ANSI/ASME B18.5 1990,DIN6914, ANSI/ASME B18.2.1 1996, DIN571,square bolts, hex bolts, wood screws, eye bolts,hex head screws, hex lag screws, round head square neck bolts, hex nuts
stamping parts: pipes & hooks, hose clamp, welded stampings, clamps kit
punching piece, cooling extrusion of cooling and heating, mechanical processing, non-standard piece, which are consistent with GB, DIN, ANSI and JIS, products of various specifications and max length of 1500mm.
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.
We produce all kinds of standard and non-standard fastener products including: both ANSI and DIN woodscrews, high strength inner and outside hexhead bolts , carriage bolts,Power fastener,Mechanical fasteners,Automotive fasteners,Railway fasteners,
and so on.
railway fasteners ;high strength bolts and nuts;Fastener for motor, diesel engine, mechanical vehicle, petrochemicals, and electric power, etc.
railway fasteners, bolts, nuts, fasteners used in vehicle like auto,petrochemical and electric power industries
Our main products are Rail E Clip and Clamp, High Tensile Bolt, Rail Base(Tie) Plate, Rail Fish Plate, Rail Shoulder, Rail Screw and Spike, Fish Bolt, Rail Dowel, Rubber and EVA Pad, Crane Rail and Light Rail.
There are four major product categories
1, Bolt series: track bolt, segment bolt, metro bolt, tunnel bolt, hex bolt, square bolt, turnout bolt, fish bolt, T bolt etc., annual capacity 5,000 tons.
2, Spike series: screw spike, dog spike, elastic spike etc., annual capacity 7,000 tons.
3, Clip series: Nabla clip, elastic clip, SKL spring clip, O clip, gauge lock clip etc., annual capacity 4 million pieces.
4, Other materials and accessories: clamp plate, gauge insulator, rubber pad, fish plate, nut, plastic dowel, tie plate, spring washer, flat washer, cast iron insert, anti creeper, gauge rod etc., annual sales far more than 13 million pieces.
With extensive experience, our company has been engaged in the fastener industry for more than a decade. We have up to tens of millions of conventional stocks, and as many as a thousand varieties of products, mainly related to GB standard, American standard, German standard, British standard, ISO standards. Moreover, we can produce non-standard products.