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
various kinds of Guardrail bolts for freeways and railways, Carriage bolts and Hex bolts, Hex coach screw, Flange bolts, Nuts, etc, that conform with the ISO, ANSI, ASME, DIN, BSW, JIS, GB. We also customize various special-shaped parts according to the customer's requirements and specifications.
Our company mainly manufactures and markets fastener product series, including hexagon bolt, Hexagon flange bolt, carriage bolt, half-round head oval neck bolt, square-head bolt, T-bolt, U-bolt, anchor bolt, guide bolt, hexagon head wood screw, hexagon socket head cap screw, hexagon square nut, and various washers, etc; product standards: German Standard, Australian Standard, American Standard, Japanese Standard, and International Standard, etc; product specifications: M6-M22 (1/4"-7/8"); performance grade: 4.6, 4.8, 5.8, 6.8, 8.8, 10.9 and 12.9 (American grade: 2, 5, 8 and 10); surface treatment: Galvanization (trivalent chromium), color-hardening, pot galvanizing, and galvanizing dyeing; and annual production capacity.
Stainless steel standard screws, chipboard screws, inner hexagonal screws, outer hexagonal cross washer face screws, T - bolts, carriage bolts and other special screws. Specializing in the development and production of stainless steel and carbon steel clamp bolts.
We are specialist production with all kinds of fasteners:Hex bolts, T-bolts & Hex nuts, Heavy Nuts, Carriage bolts and Carriage bolts etc. Besides,we have superior technology in hot-dip galvanizing.If you have the query,welcome to contact us.
Main products: Finished hexagon head bolts conforming to national standards including GB30-76, GB21-76, GB5780-GB5783-86(Grade 4.8, Grade 8.8), diameter is M6-M30 and length is 16mm-200mm
Processing customized business: Bolt with reduced stem, tower bolt, lock bolt, anchor bolt, stud bolt, galvanized bolt, DIN933-931 bolt, bolt of American National Standards Institute (ANSI), bolt of British Standards (BS), bolt of Japan Industrial Standards (JIS) ISO and matching products,and a variety of shaped bolts manufactured according to he requirement of customers.
High strength bolts
ZheJiang Doit Fasteners Co.,LTD. Specialized in producing and supplying customers Nuts ,Bolts ,Screws,Thread rod in high quality the details are Hex nuts(DIN934,ISO4032,DIN5587,etc),Flange nuts(DIN6923,JIS1190) Hex bolts(DIN931/933 ANSI) ,Thread rod (DIN975/976),Carriage bolts(DIN603,ANSI),Washer(DIN125A,DIN9021,IFIUSS) and others similar special parts made by customer’s samples and drawing, Stainless steel A2(304),A4(316) , and Brass, With the surface finished Plain,Black,ZP,YZP&HDG