• precision turned parts and screw machine parts China manufacturer & subcontractor

    Parts4world Company Limited

    Precision Turned Parts
    Screw Machined Products
    CNC Turning Parts
  • custom fasteners & precision brass turned parts workshop
    CUSTOM TURNED PARTS
    AND
    CUSTOM MACHINED PARTS
    CNC Machining & Turning Services
    Knurled & Threaded Turned Parts
    Hexagonal & Hex Turning Parts
    Galvanized & Anodizing Turned Parts
    Special Fittings & Tailor-made Fasteners
    China precision aluminum hex turned parts manufacturer
    China precision mild steel threaded stepped nozzle manufacturer & exporter
    China stainless steel straight knurled knob turning manufacturer
  • tailor-made precision hex thread turned parts

    Precision Threaded Hex Custom Turned Parts

    Hexagonal Threaded Turned Parts
    Hexagonal Turned Parts
    Threaded Hex Turning Parts

Custom Turned Parts & CNC Turning Contract Manufacturer - According to drawing!

China precision custom turned parts supplier & factory

Brass Turned Parts - Custom Fasteners & Fixings

Get started with our brass turning & screw machining services to see how we can fulfill all of your precision brass turned parts needs, custom machined parts, copper and brass screw machine parts, custom fasteners & fixings industry-specific requests.

China turning machining service supplier

Precision Metal Turning & CNC Turning Services

P4W operate industry-leading screw machines, automatic lathe and CNC machine lathe turning units to manufacture high-value CNC turning parts and precision turned components, custom fasteners, and special fixings for a variety of industries.

China Precision aluminum turned parts exporter

Aluminum Turned Parts & CNC Machining Parts

We produce any volume request to fulfill your precision aluminum turned parts needs, custom machined parts, alu fixings, special alu fasteners demands. Whether you require any volume, our CNC turning service will easily meet your request.

Recent Works

Share your custom machined parts design drawing with specifications, and we will offer an economical solution to produce it. P4W experts are dedicated to performing quality screw machining operations to meet all of your custom turned parts, assembly fitting, special fixings & custom fastener needs.

Who We Are?

P4W is a highly reliable and flexible metalwork factory, we producted & exported various of precision custom parts, screw machine parts, CNC turning parts, custom fasteners, special fixings for many years. We work with a variety of industries to manufacture all of their custom fittings and turning components, meeting your from low to high volume custom machined parts requests.

Know More P4W

What We Do?

We manufacture custom turned parts according to drawing, especially to process the diameter of 3mm to 25mm on screw machine & automatic lathe. We exported various of custom parts more than 20 years. P4W expert in processing various of turned parts, machined parts, custom fasteners, special fixings and screw machine parts, all turning components to meet ISO 9001.

More Metal Machining

Where We Work?

P4W founded in HongKong, our factory located in ShenZhen of China, we manufacture a variety of precision custom parts as per client’s drawing or sample, processing precision turning components with different materials (aluminum, brass, stainless steel, mild steel, free-cutting steel, plastic). Supply turning parts & custom fasteners, from simple assemblies to complex, relax-tolerance to tight-tolerance.

Welcome visit P4W

Our Services

Aluminum Turned Parts

At P4W precision manufacturing workshop, we manufacture custom aluminium turned parts outer diameter up to 300mm. Especially turning parts outer diameter 3-25mm.

Aluminium alloy is the most widely used of the non-ferrous metals in the world; this is mainly due to its unique combination of properties. It is lightweight with excellent strength and elasticity. It also has excellent corrosion resistance and conductivity. Therefore, Aluminum is a very good material for turning parts.

Another attractive property of aluminium is its ability to be recycled easily and cost effectively.

It is be used in a large cross section of industries. All aluminum turning components are supplied complete in various grades, such as 6061, 6082, 7075..., these can be anodised in any colour required.

Our experienced engineers can work from either drawings or samples. Parts4World - Your premier source for all of your custom aluminum turned part , aluminum fasteners & special fixings needs!

More aluminum turning parts

Copper or Brass Turned Parts

Our specialise in producing complex brass turned parts & custom components from a variety of grades of brass and copper. Our processing capacity up to outer diameter 300mm, Especially for OD 3-25mm brass turned parts & turning components. These brass turned parts are used in a wide range of applications, from plumbing to sub-sea operations, the parts produced are bespoke to your specifications and can be supplied plated in required.

Working from your drawings or samples, we produce your turned parts using the latest machining technology available. Using CAD CAM systems and off-line programing ensures optimum cycle times are achieved within budget. With our work scheduling software we deliver on time, every time!

If material is required to a certain specification, we can arrange production, machine the brass turned components and hold stock on a call-off basis, until your custom turning parts, custom fasteners & special fixings are required.

More brass turned parts

Stainless Steel Turned Parts

Parts4world precision manufacturing workshop produce many kinds of custom precision 303, 304, 316 stainless steel turned parts and quickly earned a reputation for quality machining to high standards. Our factory manufacture stainless steel turned components up to 300mm Outer diameter– Specially good at 3-25mm OD stainless steel turned parts.

We produce stainless steel turned parts, custom stainless steel fasteners & special fixings for many industries including Petrochemical, Oil & Gas, Hydraulic, Brewing, Medical & Surgical instruments...

We are continuously improvements our quality procedures ensuring we deliver world class quality stainless steel turned parts, stainless steel screw machined products, and stainless steel fasteners & fixings.

More stainless steel turned parts

Free-cutting Steel Turned Parts

Free-cutting steel turned parts, also called high speed steel turned components, they are manufactured in China, machining custom metal turned parts from 3mm to 25mm using screw machine and automatic lathes.

We produce turned parts with flats, hexagons, through or blind holes and outer threads or internal threads in a single operation giving a better quality turned parts and screw machined product and substantial cost reductions. Our free-cutting steel turned parts, custom metal fasteners & special fixings are delivered on time and at competitive prices.

Parts4world also offer various surface treatments for metal turned parts, such as Heat Treatment, Chemical Blacking, Anodising, Zinc, Nickel, Chrome and Gold plating...

More free-cutting steel turned parts

Plastic Turned Parts

From small washers and screws to safety turning components, we can produce plastic turned parts up to 300mm outer diameter, Specially good at 3-25mm OD stainless steel turned parts. P4W precision manufacturing factory is the ideal choice for precision engineered plastic turned parts, plastic screw machine products, palstic fasteners & plastic fixings.

Today, the plastic material, such as Nylon, POM, more and more used in the field of plastice turned parts. A wide range of mechanical, physical and thermal properties are now covered by the many plastic material grades available, and their use continues to grow.

We process various grades of plastics turned parts, such as POM turned parts, Nylon turned parts, color in black or white...

More plastic turned parts

Custom Fasteners

Serving a wide array of industries from marine and mining to construction and electronics, our custom fasteners can be used for a broad variety of applications, including boilers, bridges, hydraulics, and machine tools. Offering the capability to work with a large number of materials up to 300mm in outer diameter, such as aluminum, brass, stainless steel, free-cutting steel, mild steel, plastics, nylon and POM. P4W can heat treat our custom fasteners to match our your unique requirements.

Offering a large variety of custom fasteners & special fixings: Pins, Nuts, Bolts, Studs, Screws, and washers. P4W can manufacture numerous styles of custom fasteners based upon your specifications.

Providing multiple finishing options ranging from nickel, brass, and zinc plated to chrome, color coated, and galvanized, our custom fasteners can be built to meet either English, British or metric standards.

More custom fasteners

Overflow Inventory

As an added service, we stock overrun parts left after production orders. We hold these in inventory for customers who need a small number of screw machine parts and turned parts quickly. There is no obligation to purchase these custom turned parts, custom fasteners & special fixings, this is just another way that we work to serve our customers.

Parts4World - Your premier source for all of your custom screw machined parts, precision turned part, and custom fasteners & special fixings needs!

Get a fast quote

Knurling Turned Parts

Knurling is a manufacturing process, typically conducted on a lathe, whereby a pattern of straight, angled or crossed lines is rolled into the material, such as straight knurled turned parts, diamond knurled turned parts.

The operation is performed for producing indentations on a turned part of a workpiece. Knurling allows hands or fingers to get a better grip on the knurled object than would be provided by the originally smooth metal surface. Occasionally, the knurled pattern is a series of straight ridges or a helix of "straight" ridges rather than the more-usual criss-cross pattern.

Knurling can also be used when a turned component will be assembled into a low precision component, for example a metal pin into a plastic molding. The outer surface of the metal pin is knurled so that the raised detail "bites" into the plastic irrespective of whether the size of the hole in the plastic closely matches the diameter of the pin. Tool handles, mechanical pencils, the grips of pistols, barbell bars, and the control knobs on electronic equipment are frequently knurled.

More knurled turned parts

Threaded Turned Parts

There are various methods for generating screw threads. The method chosen for any one application is chosen based on constraints—time, money, degree of precision needed (or not needed), what equipment is already available, what equipment purchases could be justified based on resulting unit price of the threaded turned part (which depends on how many threaded turning parts are planned), etc.

In general, certain thread-generating processes tend to fall along certain portions of the spectrum from toolroom-made turned parts to mass-produced turned parts, although there can be considerable overlap. For example, thread lapping following thread grinding would fall only on the extreme toolroom end of the spectrum, while thread rolling is a large and diverse area of practice that is used for everything from microlathe leadscrews (somewhat pricey and very precise) to the cheapest deck screws (very affordable and with precision to spare).

Threads of metal fasteners and turned parts are usually created on a thread rolling machine. They may also be cut with a lathe, tap or die. Rolled threads are stronger than cut threads, with increases of 10% to 20% in tensile strength and possibly more in fatigue resistance and wear resistance.

More threaded turning parts

Latest Posts