Otoolling Pipe Reaming & Threading Tool Kit — 3-Size Set 1/2", 3/4", 1" with 40Cr Alloy Dual-Function Cutters

The Otoolling 3-set pipe reaming and threading tool provides three sizes (1/2", 3/4", 1") that quickly clean, ream, and cut internal and external threads on PVC, PPR, MPP and plastic pipes for reliable joins.

This compact kit combines internal and external threading functions into three durable, 40Cr alloy cutters designed for home repairs, outdoor plumbing projects, and conduit work. The tools mount in a drill-style chuck for fast, clockwise cutting and reaming, saving time when prepping pipe ends or restoring damaged threads. Built for portability and repeatable precision, the set reduces leak risks by producing tighter, cleaner thread profiles.

How does the Otoolling kit make pipe repairs faster?

The dual-function cutters let you ream, drill, and form threads without switching between separate tools. Attach the chosen size to a power drill and rotate clockwise to remove burrs, square pipe ends, and form matching male or female threads in a single operation.

• Three sizes (1/2", 3/4", 1") cover common residential and small commercial piping.
• Drill-mounted design speeds up work compared with hand-only tools.
• Combined internal/external threading reduces tool changes on the job.
• Sharp, precise cutting edges minimize rework and improve seals.

What pipe materials and jobs are these cutters compatible with?

These cutters are made for plastic-based piping systems and work well on PPR, PVC, MPP and other similar plastics used in water lines and electrical conduit. They’re intended for preparing new connections and repairing or cleaning damaged threads rather than heavy metal pipe machining.

• Suitable for PVC, PPR, MPP, and many plastic plumbing conduits.
• Useful for household water lines, irrigation, and outdoor piping repairs.
• Good for quick on-site thread repairs and DIY installations.
• Not intended for hard metals—designed for plastic pipe materials.

How durable and precise are the cutters in this set?

The cutters are manufactured from 40Cr alloy, offering high hardness and fracture resistance for extended use. Precision-machined teeth provide consistent thread formation and clean reaming to help produce tight joints that reduce leak potential.

• 40Cr alloy construction for strength and long-lasting sharpness.
• Precision edges formed to create accurate, repeatable threads.
• Design minimizes chipping and deformation during normal use.
• Compact, portable tools for repeatable performance in fieldwork.

What sizes are included and how should I choose which to use?

The kit contains three dual-function cutters sized for 1/2", 3/4", and 1" pipes, covering the most common diameters in residential plumbing and conduit systems. Select the cutter that matches your pipe's nominal size for best results; if your pipe is slightly out of spec, choose the nearest size and recheck fit after a light test cut.

• Included: one 1/2", one 3/4", and one 1" internal/external cutter.
• Match cutter size to the pipe nominal diameter for proper threading.
• Test on a scrap piece before final application to confirm fit.
• Allow for minor measurement variance; the product note cautions slight size error.

Who is this for: The Otoolling 3-set is aimed at homeowners, handymen, and small-scale contractors who need a portable, multi-size solution for quick pipe preparation and thread repair on plastic pipes. It’s ideal for DIY plumbing fixes, irrigation and outdoor piping work, and electricians preparing conduit—anyone who wants faster, cleaner thread work without a large, specialized tool collection. Note: for hard-metal piping or industrial-scale threading, choose metal-specific tooling.