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Your 35% Off Starts Now — SuperlokUSA.com | Exclusive USA Superlok Distributor
Attention Fastenal Distributors

You're Approved.
Your 35% Off
Starts Right Now.

As a Fastenal distributor, you have direct access to SuperlokUSA.com — the exclusive USA source for Superlok® stainless steel instrumentation fittings and valves. Same performance as Swagelok® and Parker®. 35% off or more on every order. Ships same day. Zero middleman markup.

Video: SuperlokUSA.com
Performing in an Industrial Environment

35%+Off Every Order
Same DayShipping Available
$30M+Ready Inventory
6Legacy Brands Cross-Referenced
Approved Fastenal Vendor

Pricing Guarantee

Every Order. 35% Off.

SuperlokUSA.com guarantees a minimum 35% discount on every order placed through this program — no minimums, no approval process. Your quote reflects it automatically. Larger orders qualify for deeper pricing.

Billing Orders
$1,250
35% off applied
Billing Orders
$2,500
35% off applied
Billing Orders
$6,250
35% off applied
Billing Orders
$12,500
35% off applied

Full Product Catalog

The Full SuperlokUSA.com Catalog.
All at Your Price.

30,000+ part numbers covering every standard instrumentation fitting family — all precision-machined from 316L stainless steel, certified to ISO 9001, and in stock today.

Product Photo: Superlok Tube Fittings, Unions, Connectors, Tees, Elbows, Reducers, Crosses in Stainless Steel

Tube Fittings

Unions, connectors, tees, elbows, reducers, crosses, and adapters. Drop-in compatible with Swagelok®. 35%+ off through SuperlokUSA.com.

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Product Photo: Superlok Pipe Fittings, Tees, Elbows, Nipples, Couplings, Adapters in Stainless Steel

Pipe Fittings

Tees, elbows, nipples, couplings, and adapters. Stainless steel for demanding industrial applications. From SuperlokUSA.com.

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Product Photo: Superlok Ball Valves, 2-Way and 3-Way, Stainless Steel, Various Port Sizes

Ball Valves

Reliable ball valves without the legacy brand markup. Full system compatibility. From SuperlokUSA.com, ships same day.

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Product Photo: Superlok Needle Valves, Gauge Valves, Manifold Valves in Stainless Steel

Needle & Gauge Valves

Precision needle valves and gauge valves for instrumentation applications. Globally proven performance at a fraction of legacy brand cost.

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Product Photo: Superlok Quick Connects, Bodies, Stems, and Body Protectors

Quick Connects

Quick connect bodies, stems, and body protectors. Fast connect and disconnect. Ships same day from SuperlokUSA.com.

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Product Photo: Superlok Inline Filters in Stainless Steel

Inline Filters

Stainless steel inline filters for fluid system filtration. Full range in stock, competitive pricing through SuperlokUSA.com.

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The SuperlokUSA.com Fitting Families

Tens of Millions in Inventory.
Every Fitting Family. Ships Today.

SuperlokUSA.com doesn't stock a subset. It stocks the complete Superlok fitting family — serving oil & gas, semiconductor, biopharma, chemical, and power generation. Whatever your customers are specifying, it's in stock and ships the same day you order.

Flare, SAE and Face Seal Fittings Photo
Flare, SAE & Face Seal

Full series stocked

Ultra High Purity Fittings Photo
Ultra High Purity Fittings

Precision clean applications

Ferrule Sets Photo
Ferrule Sets

Front and back ferrules

Manifold Valves Photo
Manifold Valves

2, 3, and 5-valve configurations

Relief Valves Photo
Relief Valves

Pressure protection in stock

Check Valves Series Photo
Check Valves Series

Full check valve range

Gauge Valves Photo
Gauge Valves

Instrumentation-grade

Plugs Photo
Plugs

Multiple sizes in stock

Legacy Parts Cross-Reference

Already Sourcing Swagelok®?
SuperlokUSA.com Has the Match.

Your customers are already specifying Swagelok®, Parker®, DK-Lok®, Hi-Lok®, Gyro-Lok®, and Ham-Let®. The Legacy Parts Finder cross-references those part numbers and returns the exact Superlok equivalent. Same specs. Drop-in compatible. Better price. Faster delivery.

Swagelok® Parker® DK-Lok® Hi-Lok® Gyro-Lok® Ham-Let®
Image: Swagelok® Fitting Next to the SuperlokUSA.com Equivalent — Identical Dimensions, Different Price

Legacy Parts Finder

Select Competitor Brand Enter Part Number

No part number? Drop a description in the quote form below and our team will cross-reference it for you.

Why SuperlokUSA.com

Globally Proven. North American Distribution.
Priced Right for Fastenal.

SuperlokUSA.com manufactures instrumentation fittings, tube fittings, pipe fittings, stainless steel fluid system components, and instrumentation valves to the same exacting standards as the leading legacy brands — serving oil & gas, semiconductor, biopharma, chemical processing, pulp & paper, power generation, and aerospace. Comparable performance. Significantly better price.

🏭

Global Manufacturing Standards

Full material traceability, corrosion-resistant 316L stainless steel, and precision engineering built in from the start. SuperlokUSA.com holds itself to the same spec as the brands you've been paying more for — ISO 9001, TÜV, DNV, Lloyd's Registry, and Nuclear N Stamp certified.

🔄

Drop-In Compatible. Zero Re-Engineering.

SuperlokUSA.com fittings and valves are dimensionally identical to Swagelok®, Parker®, DK-Lok®, and more. Your customers keep their specs. You source at 35%+ off. No change orders required.

📦

Tens of Millions Ready to Ship

SuperlokUSA.com maintains tens of millions in live domestic inventory — 30,000+ part numbers. Commit to your customers with confidence. Ship same day. No waiting on lead times, no back-orders on standard configurations.

Fastenal Approved Distributors

Ready to Order?
Send It to SuperlokUSA.com.

You're already in the system. Send your quote and we'll come back fast with your exact Fastenal distributor pricing, availability confirmation, and same-day shipping options.

  • 35% off or more confirmed on every order from SuperlokUSA.com
  • Same-day shipping on in-stock items
  • Full Swagelok®, Parker® and DK-Lok® cross-reference included
  • Bulk and repeat buyer pricing available
  • Dedicated Fastenal distributor support at SuperlokUSA.com

Request Your Quote at SuperlokUSA.com Fastenal Pricing

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SuperlokUSA.com — Exclusive USA Distributor of Superlok® Stainless Steel Instrumentation Fittings & Valves. America's Choice for South Korean Parts.

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Superlok® is a registered trademark of Superlok Industries. Swagelok®, Parker®, DK-Lok®, Hi-Lok®, Ham-Let®, and Gyro-Lok® are trademarks of their respective owners. SuperlokUSA.com is not affiliated with or endorsed by these trademark holders.