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.
Our main products are high-strength fasteners and we offer a vast assortment of bolts, nuts and screws in every material and specification, according to GB,DIN,JIS,BS,ANSI standards. Custom non-standard fasteners are also available.
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
We produce screw, nuts, bolts, stampings, and machined parts. Moreover, we are producing components that combine the above mentioned units to provide assembled parts. This will enable our customers to save time and money, and provides a total solution for our customers.
SUMEEKO also provides marketing, engineering, and warehousing and logistic solutions for the customers located in North America(Chicago) and Europe(Poland).
We produce various types of high quality fasteners, including standard hex bolts and nuts (according to GB, DIN, ANSI, ISO, BS, UNI), and also special fasteners as well. The products are mainly applied to many industries such as automobile, construction, energy, communications, electronics, electrical appliance, etc. We can also customize a wide range of non-standard fasteners as well. Property class ranges from 4.8 to 10.9.Our main products: Hex nuts ( DIN934 ,DIN555,ISO4034,DIN915,ASTM 2H,IFI D-6,A563),Flange nuts (DIN6923),Nylon insert nuts(DIN985),Wheel nuts ,Hex bolts (DIN931,DIN933,ISO4014,ISO4017,DIN6914), Socket hex bolts (DIN912),T-BOLTS ,Washers(DIN125,DIN127,DIN6916),Thread rods (DIN975),Chipboard screws , Wood screws and so on .