Precision Turned Parts China Manufacturer - Parts4world

Web Name: Precision Turned Parts China Manufacturer - Parts4world






Parts4world Company Limited

Custom turned parts & Brass knurled nuts
Hot-melt insert brass nuts & Hot-pressed nuts
Embedded copper nuts & Injection molding brass nuts
Knurled nuts Get a quote

Brass Hex Panel Nuts and Jam Nuts

Hexagonal panel brass nuts
Hexagonal brass thin nuts & low nuts
Hexagonal brass custom jam nuts & pipe nuts
Panel Nuts Get a Quote

Custom musical components & guitar brass buttons

Custom musical components & turned parts
Custom guitar brass buttons & CNC turning parts
CNC turning musical components & custom-made guitar brass buttons
Brass Parts Get a Quote

316 Stainless Steel Threaded CNC Turned Parts

304 stainless steel threaded connectors
303 stainless steel CNC turning parts & threaded connectors
316 stainless steel CNC turning threaded connectors and adapters
CNC Parts Get a Quote

Screw Machined Products & Custom Fasteners

Screw machined parts & small turned parts
Brass screw machined products & turned parts
Threaded turning parts & custom-made fasteners & fixings
Custom Parts Get a Quote

Custom 303 Stainless Steel Knurled Dowel Pins

303 Stainless steel knurled dowel pins
303 Stainless steel knurling pins & small turned parts
303 Stainless steel knurled dowel pins & cylinder solid pins
Knurled Pins Get a Quote

Turned Parts & Screw Machined Products - According to drawing !

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.

Precision Automatic Lathe Machining & CNC Turning

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.

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.

Brass Hex Male-Female Standoffs

Brass short hex female-male standoffs

Aluminum Knurled Nuts

Aluminum straight knurled thin nuts

Brass Turning Parts & components

Custom precision brass turning parts

Brass Straight Knurled Nuts

Brass Double head straight knurled nuts

Battery Terminals & Adapters

Brass knurled CNC turning adapters

303 Stainless Steel Rods & Pins

Stainless steel diamond knurled rods

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.

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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!

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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.

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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.

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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...

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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...

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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.

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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.

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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.

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Latest Posts

Sep 18th, 2017

Knurled Turned Parts

303 Stainless steel straight knurled CNC turning parts and custom machined parts

Buy knurled turned parts Sep 18th, 2017

Stepped Threading Turned Parts

Custom precision double head threaded & knurled stepped automatic turning parts

Buy step threaded turned parts Sep 18th, 2017

DIN 927 Slotted Shoulder Bolts

303 / 316 Stainless Steel custom DIN-927 Slotted Round Head Shoulder Screw Bolts M1-M22

Buy DIN927 shoulder screw

Our Clients


P4W helped our contract manufacturing grow by 37% in 6 months. We’re adding 3 new customer in Europe this month. I am very satisfied with the service of P4W. Thanks! Bill

Robert Johansen Co-Founder - SKS Precision

Their work on our custom machined parts & special fasteners marketing has made a significant different to our business. We’ve seen a 215% increase in quote requests from the new customer and potential market which has been pretty remarkable – but I’d always like to see more!

Monica Haque Senior Buyer - RINO Design & MFG

I was so worried about getting the look for the custom parts right for my new project. But then I met Jeff at P4W. He understood exactly what I wanted even better that I did and really helped me to look my best on my work. Every custom turned parts work well and my project achieve expected goal too. Every time I look back at my communication email I am so pleased that I picked P4W. Thank you Jeff!

Steven Fox New project engineer - ST MEDICAL
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