Hex Pin Bolts Nuts ASTM A325M Grade, Carbon Steel Zinc Heavy Wobble Double Bolts and Nuts, High-precision Screw bolt heavy hex bolts & nuts, custom sizes m8 bolt A325M 8S structural bolt High strength/tensile Nut Bolt Hex Pin Bolts Nuts ASTM A325M Grade Features: Material Carbon Steel Size M12-M36 Surface treatment Black Finish, Zinc Plated, […]
Chinese factory supply special heavy hex notch castle spindle nut
Material: Carbon Steel
Finish: Clear Zinc
Diameter: Drawings or Samples
Certificates: ISO9001:2008, SGS, RoHS, Bureau Veritas
Features: Good anti-corrosion ability
Our main products are fasteners: bolts, screws, nuts, washers, anchors and machined parts.
Every process will be checked by our quality inspection department which insures every product’s quality. In the production of products, we will personally go to the factory to check the quality of products.
we have professional engineers to support the customized products for our customers. We can produce by your samples or technical drawings and build the molds and fixtures.
Packaging Details: Inner plastic bag + carton + pallet or as customer’s request.
Port: Ningbo / Shanghai
Heavy hex notch castle spindle nut, From raw materials to end product delivery, it has a strict control program. Accurate completion is done about:
Standard parts: wiring- roughing – annealing- pickling – drawing – heading(cold forging or hot forging) – threading(rolling) – heat treatment -surface treatment –cleaning –inspecting-packaging
Customization parts: heading, stamping or casting-wire cut edm machine -CNC (machining center) -grinder threading(rolling) – heat treatment -surface treatment –cleaning –inspecting-packaging.
We have strict quality control from producing to delivery. Our company had strong technology support. We have cultivated a group of managers who are familiar with product quality, good at modern concept of management.