If you specifically need a three-bolt clamp, verify the bolt configuration before buying: the listed Highcraft plumbing clamps are single-bolt repair clamps, and the AFEISOL exhaust clamps use a U-bolt design. Among these options, Highcraft’s 3-inch IPS clamps are best for larger pipe repairs, while its 3/4-inch and 1-inch models suit smaller pipes. The AFEISOL pair is intended for exhaust joints, not plumbing leak repairs.
| Product | Best For | Configuration |
|---|---|---|
| Highcraft 3-inch, 5-pack | Multiple larger pipe repairs | Single bolt |
| Highcraft 3-inch, single | One larger pipe repair | Single bolt |
| AFEISOL 3-inch exhaust clamps | Muffler and exhaust joints | U-bolt saddle style |
| Highcraft 3/4-inch, 5-pack | Multiple small-pipe repairs | Single bolt |
| Highcraft 1-inch, 5-pack | Multiple 1-inch pipe repairs | Single bolt |
Highcraft 3-Inch Pipe Repair Clamp, Five-Pack
This Highcraft clamp is designed to repair pinholes, punctures, or splits in piping. Its listed 3-inch IPS size and 3-inch length make it an option for repairs where those dimensions match the pipe and damaged area. The five-pack is useful when several repairs are planned or spare clamps are needed.
The clamp has stainless steel 304 construction, with plated lugs, carriage bolts, and nuts described as rust- and corrosion-resistant. The manufacturer lists rigid copper, PVC, galvanized, and steel pipes as possible applications.
- Best for: Buyers needing several repair clamps for compatible 3-inch IPS piping.
- Why it was selected: It combines the listed repair function, multiple material applications, and a five-unit pack.
- Limitation: This is a single-bolt repair clamp, not a three-bolt clamp. Confirm pipe dimensions before selecting it.
Highcraft 3-Inch Pipe Repair Clamp, Single
This version has the same stated 3-inch IPS size and 3-inch length as the Highcraft five-pack, but the listing is for an individual clamp. Its intended use is to cover pinholes, punctures, or splits in a piping system. Listed suitable pipe materials include rigid copper, PVC, galvanized, and steel.
Its stainless steel 304 construction and plated fastening hardware are described as resistant to rust and corrosion. Choose this option when one clamp is sufficient, rather than buying a multipack for a single repair.
- Best for: A one-off repair on compatible 3-inch IPS pipe.
- Why it was selected: It offers the same stated repair purpose and materials as the five-pack in a single-unit listing.
- Limitation: The listed design is single-bolt. It does not meet a requirement for three bolts.
AFEISOL 3-Inch Exhaust U-Bolt Clamps
Unlike the Highcraft products, these AFEISOL clamps are made for automotive muffler and exhaust connections, including inlets, outlets, elbow joints, and piping. The listing describes a two-pack with a saddle-style design intended to distribute pressure across the joint. The steel construction has a galvanized surface described as rust- and corrosion-resistant and suitable for hot, harsh environments.
- Best for: Exhaust-system repairs or custom projects where a U-bolt saddle clamp suits the joint.
- Why it was selected: It is the clearest exhaust-specific option among the supplied products and addresses a different common meaning of “pipe clamp.”
- Limitation: The listing says pipe ends must not be damaged or deformed. This is not a plumbing leak-repair clamp or a three-bolt clamp.
Highcraft 3/4-Inch Pipe Repair Clamp, Five-Pack
This 3/4-inch IPS model is intended for repairing pinholes, punctures, or splits in compatible piping. Its listed 3-inch length, stainless steel 304 construction, and plated lug, carriage bolts, and nuts match the features described for the other Highcraft clamps. The product listing identifies rigid copper, PVC, galvanized, and steel as possible pipe materials.
- Best for: Buyers who need several clamps for compatible 3/4-inch IPS pipe.
- Why it was selected: It provides a smaller listed size than the 3-inch options, helping buyers compare by pipe dimension.
- Limitation: It is a single-bolt design. Verify the pipe’s size and type; the listing does not make it a three-bolt clamp.
Highcraft 1-Inch Pipe Repair Clamp, Five-Pack
This five-pack is listed for 1-inch IPS piping and is intended to cover pinholes, punctures, or splits. Like the other Highcraft options, it is 3 inches long and made from stainless steel 304, with plated hardware described as rust- and corrosion-resistant. Listed pipe materials include rigid copper, PVC, galvanized, and steel.
- Best for: Multiple repairs on compatible 1-inch IPS pipe.
- Why it was selected: It offers another common listed size and a multipack for buyers who need more than one clamp.
- Limitation: The single-bolt configuration does not satisfy a three-bolt specification. Check dimensions and application before ordering.
Buying Guide: How to Choose a Pipe Clamp
Do you need a three-bolt clamp or a repair clamp?
These are not interchangeable descriptions. The supplied Highcraft products are single-bolt clamps intended for localized pipe repairs. The AFEISOL product is a U-bolt exhaust clamp. If your project requires three bolts specifically, these listings do not confirm that configuration. Check the product’s bolt count and installation requirements before purchase.
Which pipe size should you match?
Compare the clamp’s stated IPS size with the pipe specification, and check the clamp length against the damaged area. The supplied Highcraft options are listed in 3-inch, 1-inch, and 3/4-inch sizes. Do not choose based only on a rough visual estimate; confirm the pipe dimensions and material.
Is the clamp for plumbing or automotive exhaust?
For listed pinhole, puncture, or split repairs, consider the Highcraft plumbing repair clamps. For muffler and exhaust joints, consider the AFEISOL U-bolt product. The exhaust listing calls for undamaged, undeformed pipe ends, while the Highcraft listings identify specific rigid pipe materials.
Should you choose a single unit or a multipack?
Choose a single clamp when you expect one compatible repair. A five-pack may be more practical when several repairs are planned or spare units are useful. Pack size does not change the clamp’s listed size or single-bolt configuration.
Frequently Asked Questions
Are any of these products three-bolt pipe clamps?
No. The Highcraft listings specify single-bolt repair clamps, and the AFEISOL listing describes U-bolt exhaust clamps. Confirm the required configuration before buying.
Can a Highcraft clamp repair a plumbing leak?
The listings describe the clamps as intended for pinholes, punctures, or splits in piping. They identify rigid copper, PVC, galvanized, and steel pipes, but buyers should verify size and suitability for their specific repair.
Can the AFEISOL clamp be used for plumbing?
Its stated use is for muffler and exhaust systems. The product information does not identify it as a plumbing repair clamp.
What does IPS mean in these listings?
IPS is part of the listed pipe-size specification. Match the clamp’s stated IPS size to the pipe’s specifications rather than assuming nominal size equals an exact measured outside diameter.