spring lock washer,spring washer:DIN127A,DIN127B,DIN137,DIN7980,JIS,GB93,GB7244,ANSI B 18.21.1,B.S.,......
double spring lock washer:FE6 used in railway industry.
cotter pin,split pins:DIN94,ANSI B 18.8.1,ANSI A 18.8.1,ISO1234,GB91,B.S.......
spring cotter,hair pin lock pin,R type pins:DIN11024,IFI......
linch pin,lynch pin,quick release pin,wire lock pins.
1. Series products of internal or external hex bolts, machine quality includes: 4.8, 6.8, 8.8, 10.9, and 12.9
2. Series products of stud bolts, machine quality includes: 4.8, 6.8, 8.8, 10.9, and 12.9
3. Series products of stainless steel internal or external hex bolts, includes: 6.8, 8.8
4. Series products of round ellipse bolts, machine quality includes: 6.8, 8.8
5. All kinds of screw cap, plain cushion, machine screw nail, fiberboard nail and lag bolt. Our company can produce other non-norm parts according to clients’ demands.
flange nuts,self-drilling screws,chipboard screws,lag screws, non-standard bolts,nuts and auto fasteners.
hex bolts,hex nuts,Egg neck bolts
stud bolt carriage bolt track bolt
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.
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.
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
Supply all kinds of standard and non-standard washer,like Flat washer,Spring washer, Square washer, ,hardened steelwasher and Cup washer, Wave washer etc. The materials are like Carbon steel, Stainless steel, Copper, Aluminium, Electrical insulating fibre, EPDM etc.
2.Supply flat washer:
ANSI/ASME B18,USS,SAE,FENDER,Sesco washer etc.
3.Supply spring washer:
4.Supply square and taper washer:
5.Model NU:DIN,USS,SAE,BS,AS,NFE and non standard
Specialized in manufacturing DIN, IFI, JIS, AS and various non-standard fasteners
Classified by use: automobile, machinery, engineering, electronic, railway, home application, furniture and so on
Classified by grade: (IFI and ASEM)2, 5, 8, 10;
(DIN)4.6, 4.8, 5.6, 5.8, 6.8, 8.8, 10.9, 12.9
Classified by material: plain carbon steel, alloy steel, stainless steel, copper, aluminum and plastic
Main products: bolt, screw, threaded rod, stud, nut, washer, rivet, pin, nail and key.
stainless steel spring washer, brass washer, carbon steel spring washer, flat spring washer, nut, brass nut, stainless steel nut, K- capped nut, bag-capped nut, flange nut etc. We can also develop irregular types of fasteners by working together with screw manufacturers.
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