TOBO GROUP LTD
TOBO GROUP Your best fastener supplier!
Add to Cart
Bolt: Machine part, cylindrical threaded fastener with nut.A type of fastener consisting of a head and a screw (cylindrical body with external thread) to be fitted with a nut for fastening two parts with through holes.This type of connection is called bolt connection.If the nut is unscrewed from the bolt, the two parts can be separated, so the bolt connection belongs to the detachable connection.
As an integral engineering structure, the track lays on the roadbed, plays a guiding role in the train operation, and directly bears the huge pressure of the locomotive and vehicle and its load.Under the dynamic action of the train operation, its various components must have sufficient strength and stability to ensure the train in accordance with the specified maximum speed, safe, smooth and uninterrupted operation.
Hot upsetting process:
Hot heading: refers to the raw materials after heating for stamping, the specific use of no special requirements, under normal circumstances are required to use cold heading, because of such a surface finish, material composition will be more compact, there is a larger workpiece often used hot heading processing.
A: We are factory.
A: Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to quantity.
A: Yes, we could offer the sample for free charge but do not pay the cost of freight.
A: Payment<=10000USD, 100% in advance. Payment>=10000USD, 50% T/T in advance ,balance before shippment.
PLASTIC BAG+CARTON+WOOD FIX PALLET
EACH BAG AROUND 3-4KG AND 25KG PER CARTON AND LESS THAN 900KG PER PALLET