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Galvanized black carbon steel bolt allen screw grade 8.8 China

Features

Item

High tensile cold heading formed hex socket bolt
Standard  Non standard
Grade  4.8/ 8.8/ 10.9/ 12.9 Ect
Dia  M2-M64
Length  6-250mm
Material Carbon Steel
Surface treatment HDG, PTFE coated, plain, black, galvanized, yellow zinc plated, dacromet...
Packaging Details

bulk packing in cartons, then put on pallets, or as per your requests.

Customer design

our experienced engineer team can developed the products and manufacture in accordance with samples, drawings or only ideas

Price terms FOB, CIF, CFR, EXW, and others.
Payment terms T/T, L/C,
Delivery method

by sea, by air or by express service


Zechin Industries also provide
hardware fittings for our customers.

We offer you the best solution for your application from both a technical and economic point of view while taking into account requirements regarding material, manufacturing processes and surface finishes. We supply custom made parts in all batch sizes from one to several million units – to the incoming goods department or integrated into a supply system. We guarantee quality in our accredited testing lab.

 

Machined hardware / fasteners

Coated screws --chemical thread retention methods

Cold formed -Special bolts, step pins, internally threaded parts and sleeves

Screwed assembly: Terminals

Detailed description

Take advantage of our experience

We have realized over 20,00 customer specific items. Our application technology department can advise you both in the development phase and when optimizing existing applications.

We cover the following manufacturing processes for customer specific items: turning, CNC milling, cold forming, hot forming, stamping and stamped bending, pressing, threading, screwed assembly,

Material selection includes machining steel, and heat-treatable steel, rust and acid-resistant steel, heat-resistant materials, bronze, copper, brass, aluminum alloys

Surface treatments include all common and specific requirements on the market. The following versions are possible: Galvanizing, nickel plating, chrome plating, bronzing, burnishing, phosphating, anodizing, zinc coating, powder coating, seal coating, locking coating, adhesive coating, chromium(VI) free coating, friction value adjustments

Our range of services when it comes to repairs encompasses the following: grinding, honing, lapping, cutting threads, rolling threads, hardening, heat treating, mounting, pressing.


We offer : 

1, One-stop solution

2, High accurate and repeatable  

3, Fully equipped & Trained

4, Consistent quality

5, Turnkey manufacturing services

6, Excellent communication ability

7, Professional & Efficient response 

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