General Gunsmith ToolsApex Tool GroupSold by Brownells

Apex Tool Group

Round American Pattern Files - Round American Pattern File 5/32'''' (0.1563) Steel

Our editorial team reviews specifications, product data, and field-use information to keep pages accurate.

Round American

Pattern round file for precise

Gunsmiths Metalworkers

Needing accurate work in cylindrical

Useful Enlarging

Smoothing holes and refining curves

Suitable Adjusting

Screw and pin holes and

Chisel-cut Teeth

Support efficient metal removal

$5.99
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SKU: 191000004

Overview

Designed for gunsmithing and metalworking tasks that call for controlled material removal in cylindrical spaces, this round file is suited to enlarging or smoothing holes and refining curved surfaces. It can be used for detailed adjustments on firearm components, including screw and pin holes, scope mount apertures, and other tightly curved areas. The chisel-cut teeth are intended to support efficient cutting while keeping the work focused on fine, precise shaping. For users who need a straightforward hand tool for careful fitment work, it offers a practical option at a modest price point.

Why Hunters Choose the Apex Tool Group

Precision-engineered Accurate

Material removal in cylindrical spaces

Suitable Enlarging

Smoothing holes with controlled detail

Useful Refining

Curves and other tightly curved

Chisel-cut Teeth

Support efficient metal removal

Applicable Screw

Pin holes, including scope mount

Key Features

  • Round American pattern round file for precise metal removal
  • Designed for gunsmiths and metalworkers needing accurate work in cylindrical spaces
  • Useful for enlarging or smoothing holes and refining curves
  • Suitable for adjusting screw and pin holes and scope mount apertures
  • Chisel-cut teeth support efficient metal removal
  • Made for fine cuts on tightly curved parts

Best Used For

  • Gunsmiths needing precise enlargement or smoothing of screw and pin holes
  • Metalworkers refining curves and tight cylindrical spaces with controlled material removal
  • Users adjusting scope mount apertures during detailed firearm fitting work
  • Anyone performing fine cuts on tightly curved parts requiring a round file

Pros

  • Precision-engineered for accurate material removal in cylindrical spaces
  • Suitable for enlarging or smoothing holes with controlled detail
  • Useful for refining curves and other tightly curved parts
  • Chisel-cut teeth support efficient metal removal
  • Applicable to screw and pin holes, including scope mount apertures

Considerations & Trade-offs

  • The round profile is specialized for cylindrical spaces, so it is less versatile than a general-purpose file for flat surfaces or broad stock removal.
  • The #2 cut is geared toward controlled metal removal, which may be slower for heavier shaping or larger correction work.
  • This is a precision hand tool for detailed fitting and adjustment, so it is best suited to careful, incremental work rather than fast material removal.

Suggested Comparisons

  • Flat files
  • Half-round files
  • Needle files
  • Rifflers

Suggested Accessories

  • File handle
  • File card
  • Bench vise
  • Protective gloves

Frequently Asked Questions

What is this round file intended for?

It is designed for accurate material removal in cylindrical spaces, including enlarging or smoothing holes, refining curves, and doing detailed work on firearm components.

What kind of work is it suited for on firearms?

The description specifically mentions adjusting screw and pin holes, scope mount apertures, and making fine cuts on tightly curved parts.

What cut does this file have?

The product description states that it is a #2 cut.

What type of teeth does it use?

It features chisel-cut teeth, which are described as helping with efficient metal removal.

Is this file meant for general-purpose use or more precise work?

The source describes it as a precision-engineered tool for gunsmiths and metalworkers who need accurate material removal, so it is aimed at detailed, precise work rather than general rough filing.