Precisely Sized and Better Mechanical Tightness
Learn more about our complete line of American-made and melted standard products of Schedule 40 carbon welded nipples with a resilient black finish, hot-dip galvanized nipples, and zinc-plated nipple pipe fittings.
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Nipple Fittings Products
Made in the USA from ASTM A53 steel pipe. Produced to ASTM A733 nipple standards.
Comply with SME/ANSI B1.20a threading standards.
Nipple Kits for Every Jobsite
Our high-quality nipple kits are built using 100% American-made and melted ASTM A53 steel pipe, delivering the durability and consistency professionals rely on. We offer 60-piece and 66-piece kits, each complete with installation accessories to simplify work.
Products Scope
> Conform to ASTM A733/A53 for dimensional accuracy.
> Threaded in compliance with SME/ANSI B1.20a threading standards to maintain the highest tolerances.
> Ultrasonic quality testing.
> Specializing in custom threads, non-stock finishes and coatings, unique cuts, and various lengths.
> Standard products in-stock and ready for immediate shipment.
> Full-service manufacturer with 20+ years of experience in cutting and threading pipe.
Custom and Off-the-Shelf Nipple Solutions
We specialize in custom threads, non-stock finishes and coatings, unique cuts, and various lengths. Standard products in-stock and ready for immediate shipment.
Products Dimensions
- Pipe Size 1/8"
- Pipe Size 1/4"
- Pipe Size 3/8"
- Pipe Size 1/2"
- Pipe Size 3/4"
- Pipe Size 1"
- Pipe Size 1-1/4"
- Pipe Size 1-1/2"
- Pipe Size 2"
- Pipe Size 2-1/2"
- Pipe Size 3"
- Pipe Size 3-1/2"
- Pipe Size 4"
- Pipe Size 5"
- Pipe Size 6"
Pipe Size 1/8″
Pipe O.D. – 0.405″
Length Close – 3/4″
Pipe Nipple Lengths (in.) – 1-1/2, 2, 2-1/2, 3, 3-1/2, 4, 4-1/2, 5, 5-1/2, 6, 7, 8, 9, 10, 11, 12
Pipe Size 1/4″
Pipe O.D. – 0.540″
Length Close – 7/8″
Pipe Nipple Lengths (in.) – 1-1/2, 2, 2-1/2, 3, 3-1/2, 4, 4-1/2, 5, 5-1/2, 6, 7, 8, 9, 10, 11, 12
Pipe Size 3/8″
Pipe O.D. – 0.675″
Length Close – 1″
Pipe Nipple Lengths (in.) – 1-1/2, 2, 2-1/2, 3, 3-1/2, 4, 4-1/2, 5, 5-1/2, 6, 7, 8, 9, 10, 11, 12
Pipe Size 1/2″
Pipe O.D. – 0.840″
Length Close – 1-1/8″
Pipe Nipple Lengths (in.) – 1-1/2, 2, 2-1/2, 3, 3-1/2, 4, 4-1/2, 5, 5-1/2, 6, 7, 8, 9, 10, 11, 12, 18, 24, 30, 36, 48, 60, 72
Pipe Size 3/4″
Pipe O.D. – 1.050″
Length Close – 1-3/8″
Pipe Nipple Lengths (in.) – 1-1/2, 2, 2-1/2, 3, 3-1/2, 4, 4-1/2, 5, 5-1/2, 6, 7, 8, 9, 10, 11, 12, 18, 24, 30, 36, 48, 60, 72
Pipe Size 1″
Pipe O.D. – 1.315″
Length Close – 1-1/2″
Pipe Nipple Lengths (in.) – 2, 2-1/2, 3, 3-1/2, 4, 4-1/2, 5, 5-1/2, 6, 7, 8, 9, 10, 11, 12, 18, 24, 30, 36, 48, 60, 72
Pipe Size 1-1/4″
Pipe O.D. – 1.660″
Length Close – 1-5/8″
Pipe Nipple Lengths (in.) – 2, 2-1/2, 3, 3-1/2, 4, 4-1/2, 5, 5-1/2, 6, 7, 8, 9, 10, 11, 12, 18, 24, 30, 36, 48, 60, 72
Pipe Size 1-1/2″
Pipe O.D. – 1.900″
Length Close – 1-3/4″
Pipe Nipple Lengths (in.) – 2, 2-1/2, 3, 3-1/2, 4, 4-1/2, 5, 5-1/2, 6, 7, 8, 9, 10, 11, 12, 18, 24, 30, 36, 48, 60, 72
Pipe Size 2″
Pipe O.D. – 2.375″
Length Close – 2″
Pipe Nipple Lengths (in.) – 2-1/2, 3, 3-1/2, 4, 4-1/2, 5, 5-1/2, 6, 7, 8, 9, 10, 11, 12, 18, 24, 30, 36, 48, 60, 72
Pipe Size 2-1/2″
Pipe O.D. – 2.875″
Length Close – 2-1/2″
Pipe Nipple Lengths (in.) – 3, 3-1/2, 4, 4-1/2, 5, 5-1/2, 6, 7, 8, 9, 10, 11, 12
Pipe Size 3″
Pipe O.D. – 3.500″
Length Close – 2-5/8″
Pipe Nipple Lengths (in.) – 3, 3-1/2, 4, 4-1/2, 5, 5-1/2, 6, 7, 8, 9, 10, 11, 12
Pipe Size 3-1/2″
Pipe O.D. – 4.000″
Length Close – 2-3/4″
Pipe Nipple Lengths (in.) – 3-1/2, 4, 4-1/2, 5, 5-1/2, 6, 7, 8, 9, 10, 11, 12
Pipe Size 4″
Pipe O.D. – 4.500″
Length Close – 2-7/8″
Pipe Nipple Lengths (in.) – 4, 4-1/2, 5, 5-1/2, 6, 7, 8, 9, 10, 11, 12
Pipe Size 5″
Pipe O.D. – 5.563″
Length Close – 3″
Pipe Nipple Lengths (in.) – 4-1/2, 5, 5-1/2, 6, 7, 8, 9, 10, 11, 12
Pipe Size 6″
Pipe O.D. – 6.625″
Length Close – 3-1/8″
Pipe Nipple Lengths (in.) – 4-1/2, 5, 5-1/2, 6, 7, 8, 9, 10, 11, 12
Note: Other lengths and specials are available upon request.
Our Quality Pipe Nipples Connect, Extend, and Convert
Enhance your piping systems with durable, precision-crafted pipe nipples made in the USA to meet strict industry standards. Explore a full range of sizes, materials, and finishes built for performance.



