General Gunsmith ToolsApex Tool GroupSold by Brownells

Apex Tool Group

Round American Pattern Files - Round American Pattern File 1/8'''' (0.1250) 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 material removal

Useful Enlarging

Smoothing holes in cylindrical spaces

Suitable Refining

Curves and detailed firearm component

Chisel-cut Teeth

Support efficient metal removal

$5.99
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SKU: 191000003

Overview

This round file is built for precise metal removal where controlled shaping matters most, especially in cylindrical spaces and other tight contours. It suits gunsmiths and metalworkers who need to enlarge or smooth holes, refine curves, or make careful adjustments to firearm components such as screw and pin holes or scope mount apertures. The chisel-cut teeth are intended to support efficient cutting while still allowing detailed work. For tasks that call for accuracy over speed, it offers a focused, purpose-driven option.

Why Hunters Choose the Apex Tool Group

Precision-engineered Accurate

Material removal in cylindrical spaces

Suitable Enlarging

Controlled detail work

Useful Refining

Curves on firearm components and

Chisel-cut Teeth

Support efficient metal removal

Adjusting Screw

Pin holes, scope mount apertures

Key Features

  • Round American pattern round file for precise metal removal
  • Designed for gunsmiths and metalworkers needing accurate material removal
  • Useful for enlarging or smoothing holes in cylindrical spaces
  • Suitable for refining curves and detailed firearm component work
  • Chisel-cut teeth support efficient metal removal
  • #2 cut for fine cuts on tightly curved parts

Best Used For

  • Gunsmiths needing precise material removal in cylindrical spaces and tight curved areas
  • Metalworkers refining holes, curves, and detailed component fitment work
  • Users adjusting screw and pin holes or scope mount apertures
  • Those performing fine cuts on tightly curved firearm parts

Specifications

ApplicationsEnlarging or smoothing holes; refining curves; detailed work on firearm components; adjusting screw and pin holes; scope mount apertures; fine cuts on tightly curved parts
Cut#2
File Diameter1/8 in (0.1250)
File TypeRound American Pattern File
Intended UsePrecision metal removal in cylindrical spaces
MaterialSteel
Tooth PatternChisel-cut teeth

Pros

  • Precision-engineered for accurate material removal in cylindrical spaces
  • Suitable for enlarging or smoothing holes with controlled detail work
  • Useful for refining curves on firearm components and metal parts
  • Chisel-cut teeth support efficient metal removal
  • Designed for adjusting screw and pin holes, scope mount apertures
  • #2 cut supports fine cuts on tightly curved parts

Considerations & Trade-offs

  • Designed for precise metal removal in cylindrical and curved areas, so it is more specialized than a general-purpose file.
  • The #2 cut is geared toward efficient material removal, which may be less suited to the finest finishing work.
  • Best used for specific gunsmithing and metalworking tasks such as hole adjustment and contour refinement, rather than broad surface shaping.

Suggested Comparisons

  • Flat files
  • Half-round files
  • Needle files
  • Gunsmithing tools

Suggested Accessories

  • File handle
  • File card
  • Protective file sleeve
  • Bench vise

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 useful for on firearms?

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

What tooth style does it use?

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

Is this a general-purpose file or a precision tool?

It is presented as a precision-engineered tool for gunsmiths and metalworkers who need accurate material removal.