m16/m30/m38 screw mechanical elevator bolt with ISO manufacturer in China

Specifications

                           m16/m30/m38 screw mechanical elevator bolt with ISO manufacturer in China

Specifications:

Elevator Bolt (Cold Forged)
Thread precision:  6g
Steel - above 3.8 (ISO grade).
Surface oxygenized and zinc plated.

Types of bolts:

cold forged elevator bucket bolts

fang bolt headless and fastener

tooth bolt or other types accoding to your needs

Models:

iron/steel /carbon/rubber with M6*16  M6*22 M6*30 M8*30 M8*38 for your reference,

also can customization

The process of manufacturing:

First, we have our own High-precision Digital Machining center for mould making in special 

Mould Workshop, excellent mould make product beautiful appearance  and its size accurately.

The second, we adopt blasting procession, removing Oxidation surface , make the  surface to be bright

 and clean and uniform and beautiful.

The third, in heat treatment: We use the Controlled-atmosphere 

Automatic heat treatment Furnace, we also have four mesh belt convey furnaces, 

Can deal with the products in different sizes keeping the non-oxidation surface.

            Pictures of our manufacturing department

we specialized in this field for mang years and establish business relationship with mang countries such as north American etc.

The elevator bolt'type is very rich and we can also customization according to

your requirments.