stainless steel hydraulic adapters

QC Hydraulics, Stainless Steel Hydraulic Adapters and Fittings Manufacturer Since 1999

QC Hydraulics manufacture and supply stainless steel hydraulic fittings and adapters for wholesalers, distributors, hose suppliers and OEMs worldwide. We aim to solve customer’s problems and grow customer’s market share. Let QC Hydraulics help you achieve business success.

Wholesale Stainless Steel Hydraulic Adapters at QC Hydraulics-Quality and Consistency You Can Depend On

QC Hydraulics designed stainless steel hydraulic tube adapters meet SAE J514, DIN 2353, JIS B2351, ISO 8434-1, and ISO 8434-2.

Our tube fittings and adapters type include plugs, caps, elbows (45 and 90°), tees, crosses, straights, compression, adjustables, bulkhead adapters including those with swivels.

Thread connections include NPT/NPTF, JIC, SAE, ORB, ORFS, BSPP and metric threads, available in straight, 45 and 90º elbow hose fittings. Material available in SS 304, SS 316L & SS 316Ti(1.4571).

QC Hydraulics is the ideal supplier to wholesaler, distributors and large contractors of hydraulic fittings and adapters.

  • Competitive Wholesale Pricing

  • Stainless Steel Materials Only

  • High Precision with 100% tolerance controlled

  • Compliance With International Standards

  • 3.1 Material Certificates Available

  • ISO 9001:2015 & ISO 9001:14001 Certified

  • CAD Drawings & Technical Support

NPT Pipe Thread Adapters

orb fittings

O-ring Boss(ORB) Adapters

JIC 37 Degree Flare Adapters

NPT Female Swivel (NPSM) Adapters

orfs fittings

O-ring Face Seal (ORFS) Adapters

bsp thread fittings

BSP Adapters

weld on metal hose fittings

Weld On Hydraulic Adapters

JIS Hydraulic Adapters

Please feel free to contact us if you have any inquiries

QC Hydraulics, Your Premier Stainless Steel Hydraulic Fittings And Adapters manufacturer

QC Hydraulics is a leading manufacturer of stainless steel hydraulic hose fittings, hydraulic adapters, tube fittings and PTFE hose assembly for over 20 years. Our outstanding team, state of the art technology, strict quality control, strong production capacity as well as professional service, enable us enjoying a great reputation in domestic and overseas.

Our products are widely recognized by those global hydraulic & industrial wholesalers/distributors and OEMs in the fields of hydraulic, pneumatic, oil & gas, chemical, marine and shipbuilding etc. Besides, we are also doing OEM service for several of worldwide big brand manufacturers of hydraulic fittings, which greatly reduce their production costs, and help them win more market share.

Now QC Hydraulics become more and more popular in high quality market overseas. We always meet even exceed customer’s expectations. QC Hydraulics is a reliable and trusted supplier of wholesalers, distributors and brand manufacturers of hose and fittings.

  • State of The Art Facilities

  • Over 20 years’ Manufacturing Experience

  • Highly strict Quality Control & Inspection

  • Annual production capacity Over 4.5 million of fittings

Technical Support

QC Hydraulics has the capability to engineer, design and manufacture from a concept to the real products.

Why Choose Us

State of The Art Facilities

We utilize state-of-the-art facilities and equipment to produce industry leading, quality stainless steel hydraulic fittings. Each facility supervisor has over 10 years of experience in the industry. Manufacturing, sales & technical support, warehouse, shipping, and quality control-have specific objectives that contribute to our overall goal of 100% customer’s satisfaction.

Zero Quality Issues

When you buy QC Hydraulics’ products, you are buying precision and reliability.In the hydraulic industry, where extreme pressures prevail, precision and accuracy are paramount. Our Quality Control Department follows strict Quality Assurance Program procedures that make certain our products meet your quality requirements. Besides, 3.1 material certificate available for each shipment to ensure you receive 100% right materials from us.

100% On-Time Delivery

With QC Hydraulics, you’ll have one less thing to worry about. We have maintained a 99.99% on-time delivery rate for 3 years in a row. That kind of consistency doesn’t just happen, we make it happen. Besides, we have the commonly used raw materials and accessories in stock that enable us make a very quick delivery time for the urgent orders.

Professional Service

As a professional manufacturer, our engineering department can provide technical service. Like new products designing, CAD drawings and technical advice. Our overseas sales department are 100% well trained with strong industry & product knowledge and service awareness, who can make a quick response within 24 hours to greatly improve the communication efficiency.

Global Clients:

QC Hydraulics’ worldwide customers includes big wholesalers, distributors, big brand manufacturers of hose and fittings, and OEMs. Meanwhile, we are looking for worldwide reliable partners to distribute the stainless steel hydraulic fittings under our brand. If interested, please feel free to contact us for further negotiation.

Testimonials: We Add Value to Our Clients

We generate results for our customers

“I always believe in QC Hydraulics’ quality. My quality manager and I visited QC Hydraulics in 2016. We were very impressed by their advanced facilities, strict quality control and inspection procedures. Besides, when I ask a drawing or technical support from QC Hydraulics, they always response me in time. So far, we have been working with QC Hydraulics for over 7 years, they never let me down. We would definitely continue to buy more hydraulic fittings from QC Hydraulics.“

Dorothee Jungeblodt , Germany

“I am very happy with the on time-delivery provided by QC Hydraulics and they are excellent in handling delivery requests every time. To ensure timely delivery, QC Hydraulics’ team have been working on effective arrangements and their service has a level of service that is well proven. The only issue is that sometimes their prices are a bit higher than other competitors, but overall, I would still choose QC Hydraulics because they offer fast response and always one-time delivery.“

David Michael , America

Frequently Asked Questions

We manufacture a wide range of stainless steel hydraulic adapters, including:

JIC, ORFS, NPT, NPTF, BSP, BSPT, SAE, and Metric thread types

Straight, 45° & 90° elbows, tees, crosses, reducers, and plugs

Interchangeable with Parker and Eaton standard adapters

Our adapters are designed to meet SAE, ISO, DIN, and JIS standards.

Yes, we provide standard bulk packaging as well as custom packaging options based on customer requirements. Our standard packaging includes:

Plastic caps and plugs to protect threads and sealing surfaces

Individual polybags for small-sized adapters

Heavy-duty cartons with reinforced packing for safe transportation

For distributors and wholesalers, we can also provide private labeling and custom branding.

We manufacture adapters using high-quality stainless steel:

AISI 304 (1.4301)

AISI 316L (1.4404)

AISI 316Ti (1.4571)

These materials provide superior corrosion resistance, making them ideal for high-pressure and harsh environments

Yes, we do both hydrostatic pressure and nitrogen gas pressure test. Testing reports are avaliable.

Yes, we offer custom manufacturing services for hydraulic adapters based on customer drawings, specifications, or samples. Our engineering team can assist with design modifications, thread compatibility, and performance optimization to meet specific application requirements.

Our standard MOQ is 200 pieces per item, but for larger sizes (above 1 inch), we can accept 100 or even 50 pieces. We are flexible with initial orders to help customers test our quality

Yes, we provide EN 10204 3.1 material certificates for all shipments. Our stainless steel raw materials meet ASTM A276 and ASTM A182 standards, ensuring compliance with industry regulations.

Stainless Steel Only: Unlike many suppliers who offer both carbon steel and stainless steel, we focus exclusively on stainless steel, ensuring better precision and quality.

Advanced Manufacturing: We use high-precision CNC machining and strict quality control measures.

Guaranteed Quality: 100% pressure-tested, dimensionally accurate, and ISO 9001 certified.

On-Time Delivery: Reliable lead times and stock management ensure prompt shipments.

Interchangeability: Compatible with leading global brands like Parker and Eaton.

Send us a message if you have any questions or request a quote.

Request A Quote

We are able to reply you within 24 hours