For a plumber’s bag, the GEARWRENCH 82820H is a four-piece set of 8-inch bastard-cut files (flat, round, half-round and triangle) with comfort handles and a storage tray. The Crescent Nicholson 22015HNNN is the smaller three-piece 6-inch set (mill, round and half-round) in a pouch. Use the round file to clean up cut openings and the flat or mill file to square and smooth cut edges. Follow the fitting maker’s own method for deburring pipe before a joint.
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A file set is useful for controlled material removal on suitable accessible work. Match each task to the actual profile rather than treating every long toothed tool as interchangeable.
Match the profile to the surface
| Profile | Useful shape | Check |
|---|---|---|
| Flat | Broad flat face and accessible edges | Required cut and whether an adjacent surface needs an uncut safe edge |
| Round | Curved openings and small internal contours | Actual diameter and taper at the working section |
| Half-round | A flat face plus a curved face | Curve size, face cut and access around the work |
| Mill | A separate file style often supplied in basic sets | Do not assume it has every feature of a named flat file |
A set’s piece count does not tell you which profiles or cuts it contains. Read the actual contents and identify the shape needed for the work.
GEARWRENCH 82820H: four handled profiles
Choose GEARWRENCH 82820H for a set with flat, round, half-round and triangular bastard-cut files. The maker page (gearwrench.com) lists those profiles, handles and a storage tray.
Skip it when the task calls for a smooth finishing cut, a particular safe edge or a verified small working diameter that is not established by the set description.
The checked standard new Amazon.com offer showed stock and exact 82820H model and manufacturer-part fields. Confirm the delivered set and individual profiles.
The maker’s length fields differ, so do not use the retail size class as a precise working-length or overall-length drawing. Confirm those measurements if access depends on them.
Check GEARWRENCH 82820H file set on Amazon →
Crescent Nicholson 22015HNNN: a compact basic set
Choose Crescent Nicholson 22015HNNN for a smaller handled selection containing a mill, round and half-round bastard file. The current maker page (crescenttool.com) lists those contents and a pouch.
Skip it if the order specifically needs a separately named flat file, a smooth finishing cut or a larger profile. The mill file and the flat face of the half-round should not silently be relabeled as a different supplied tool.
The checked standard new Amazon.com offer showed stock and matching 22015HNNN model and part fields. Keep the full suffix when ordering; similar older set names need their own contents check.
The maker markets the files as a 6-inch set. Confirm the actual working dimensions where the opening or access is critical.
Check Crescent Nicholson 22015HNNN on Amazon →
Choose the cut for the finish you need
The Nicholson filing guide (crescenttool.com) distinguishes tooth pattern from coarseness. Single-cut and double-cut describe the tooth arrangement; bastard, second cut and smooth describe grades within the relevant file range.
A coarse stock-removal file can leave a finish unsuitable for the next operation. Select the finishing tool for the actual surface instead of assuming every file in a general set produces the same result.
Check the work material as well as the profile. A file sold for a particular material or purpose should not be assigned another job merely because it can reach the surface.
For repeat work, record the individual file and desired result. Replace the specific worn tool rather than moving to a more aggressive file just to make it cut faster.
Pipe preparation needs the fitting instructions too
A file can address an accessible rough edge when that is an appropriate part of the preparation. It does not define the complete required treatment of a cut pipe end.
Check the pipe and fitting instructions for the required cut, deburring, chamfering or reaming method. Match the tool to the material and connection. Do not round away a required sealing surface or change an insertion area by guesswork.
Our copper-pipe deburring guide covers related dedicated tools. A long round file is not automatically the appropriate internal reamer for every cut tube.
Keep chips and filings out of components and open piping. Plan how the work will be supported, how debris will be controlled and how the prepared area will be checked before the connection is assembled.
A round file is not a hole-size gauge
Check the file’s actual profile at the point where it will contact the work. A tapered round file changes diameter along its length, so reaching farther into an opening can remove material differently.
Mark the intended boundary and verify the result with the proper measuring tool. Do not use the file as the sole measurement reference for a precise opening.
For a half-round file, compare the curve with the work rather than judging only the nominal length. Its flat face and rounded face give different contact patterns and may have different cuts.
Protect nearby finished surfaces. If the work needs a safe edge, confirm that the specific edge is uncut; a familiar profile name does not establish that detail.
Leave sealing and precision surfaces to the specified method
Do not use a general file set to reshape a valve seat, a gasket land or another precision sealing feature without an applicable repair procedure. Removing material can change the geometry the part depends on.
A leaking component is not evidence that an accessible surface should be filed until it looks bright. Identify the failure and the manufacturer’s permitted repair or replacement method first.
The same principle applies to threads and fitting sockets. A file that can remove damage is not automatically the correct thread-restoration or socket-preparation tool.
Stop if the planned work requires dimensions, alignment or surface quality that cannot be verified with the available tools. Choose a specific repair method instead of relying on the general set’s versatility.
Use a secure handle and support the work
CCOHS hand-tool guidance (ccohs.ca) calls for inspection, suitable eye protection, sound handles and proper support. Secure the work for the task instead of holding a small sharp part in the palm of your hand.
The Nicholson guide warns against using a tanged file without a tight-fitting handle. Check that a supplied or separate handle remains secure before use. Replace damaged components rather than compensating with excessive force.
Crescent’s handle brochure (crescenttool.com) shows different handles and inserts. Choose the actual handle and insert for the file; a broad compatibility description does not remove the need to verify a secure fit.
Our pipe-vise and stand guide covers related support equipment. Protect the work from clamp damage and keep its position stable through the intended stroke.
Use the file for filing. It is not an insulated electrical tool, a pry bar or a substitute for a striking tool.
Keep the teeth clean and the profiles separated
Filings lodged in the teeth can interfere with the finish. The Nicholson guide recommends a file card or file brush and protecting the teeth during storage.
Clean the file using the appropriate tool and method instead of dragging loose fingers along sharp teeth. Inspect the cutting surface and handle before returning it to the pouch or tray.
Store files so the teeth do not rub against other tools. Keep the supplied storage useful by replacing each profile in its space and dealing with wet or dirty tools before closing the kit.
Keep different work materials and contamination concerns in mind. A file used on a dirty scrap part should not be taken straight to a clean connection without the appropriate preparation and assessment.
An order checklist for plumbing repair work
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- Name the surface. Flat edge, curved opening, contour or a different task needing another tool.
- Specify the profile. Flat, mill, round or half-round, including taper and any required safe edge.
- Choose the cut. Material removal and required finish.
- Verify access. Actual working dimensions and room for the handle and stroke.
- Check handling. Secure grip, work support and debris control.
- Order the exact set. Full model suffix, listed contents and separate accessories.
Our pipe-cutter guide covers the upstream cutting step. A controlled cut and the correct finishing method work together; buying a larger file set cannot correct every preparation problem.
Frequently asked questions
Is a half-round file useful on a flat surface?
Its flat face can serve suitable flat-surface work. Match the actual file cut and instructions to the task.
Does every basic file set include a named flat file?
No. Read the contents. The Nicholson set here contains mill, round and half-round files; the GEARWRENCH set explicitly lists a flat file.
Does bastard mean a smooth finishing cut?
No. Select the grade for the required finish instead of assuming a general stock-removal file provides final surface preparation.
Can I use a file without a handle?
Do not use a tanged file without a secure suitable handle. Inspect the handle and file before use.
Can a round file replace every pipe reamer?
No. Follow the actual pipe and fitting preparation instructions and use the appropriate tool for the connection.
How we chose
This document-based comparison makes no hands-on testing claim. We checked exact US maker contents, handle information, filing guidance and CCOHS safety advice. On October 14, 2026, both linked standard new offers showed stock from Amazon.com with matching model and manufacturer-part fields. Verify delivered profiles, dimensions and handle condition before use. Read our selection method and about Plumbing Picks.
Primary sources
- GEARWRENCH 82820H (gearwrench.com): four listed profiles and storage; working/overall length fields differ, no exact length promised.
- Crescent Nicholson 22015HNNN (crescenttool.com): exact three-profile contents, handled construction and pouch.
- Nicholson Guide to Files and Filing (crescenttool.com): cut terminology, selection and care; document-based context.
- Crescent handle brochure, 2024 (crescenttool.com): exact set suffixes and handle/insert distinctions.
- CCOHS general hand-tool operation (ccohs.ca): inspection, support and protective-equipment guidance; no claim of US regulatory compliance.