General Gunsmith ToolsApex Tool GroupSold by Brownells

Apex Tool Group

Half-Round Files - Half-Round File, Bastard Cut, 8'''' (20.3 Cm) Steel

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

Built for gunsmithing and metalworking tasks that call for controlled shaping and finish work, this half-round file is suited to both curved and flat surfaces.

Half-round File

A flat side for straight

Precision Work

On concave and flat metal

Suitable Shaping

Smoothing curved metal surfaces

Useful Fitting

Custom parts during gunsmithing and

Intended General

Material removal and finish work

$21.16
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SKU: 191048960

Overview

Built for gunsmithing and metalworking tasks that call for controlled shaping and finish work, this half-round file is suited to both curved and flat surfaces. Its dual-surface design supports material removal, smoothing, and fitting when working on custom parts or firearm repairs. The bastard cut makes it a practical choice when a more aggressive cut is needed before final finishing. For serious shop use, it offers a straightforward, purpose-driven tool without unnecessary complexity.

AI Recommendation

Built for gunsmithing and metalworking tasks that call for controlled shaping and finish work, this half-round file is suited to both curved and flat surfaces.

Why Hunters Choose the Apex Tool Group

Dual-surface Design

Handles both flat edges and

Suitable Precision

Work in gunsmithing and metalworking

Useful Shaping,

Smoothing, and fitting custom parts

Bastard Cut

Supports general material removal and

8-inch Size

Practical format for detailed shop

Key Features

  • Half-round file with a flat side for straight edges and a rounded side for curved surfaces.
  • Designed for precision work on concave and flat metal surfaces.
  • Suitable for shaping and smoothing curved metal surfaces.
  • Useful for fitting custom parts during gunsmithing and metalwork.
  • Intended for general material removal and finish work.
  • Made from steel and sold as an 8-inch bastard cut file.

Best Used For

  • Gunsmiths shaping and smoothing curved metal surfaces during firearm customization or repair
  • Metalworkers needing one file for both flat edges and concave surface work
  • Users fitting custom parts where controlled material removal and finish work are required
  • Shop users handling general metal finishing tasks with a dual-surface hand file

Pros

  • Dual-surface design handles both flat edges and curved surfaces
  • Suitable for precision work in gunsmithing and metalworking applications
  • Useful for shaping, smoothing, and fitting custom parts
  • Bastard cut supports general material removal and finish work
  • 8-inch size offers a practical format for detailed shop tasks

Considerations & Trade-offs

  • The half-round profile is useful for curved and flat surfaces, but it is a specialized shape rather than a general-purpose file.
  • The bastard cut is suited to material removal and finish work, so it may be more aggressive than a finer-cut file for final refinement.
  • At 8 inches, it offers a practical working length, but it may not be the best fit for very tight or confined spaces.
  • This is a steel hand file with no included accessories mentioned, so any handle or storage setup would need to be sourced separately if desired.

Suggested Comparisons

  • Flat files
  • Round files
  • Needle files
  • Mill files

Suggested Accessories

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

Frequently Asked Questions

What is this half-round file designed to do?

It is described as a versatile file for gunsmiths and metalworkers, suited to precision work on both concave and flat surfaces. The listed uses include shaping and smoothing curved metal surfaces, fitting custom parts, and general material removal.

What surfaces can it work on?

The product description says it has a dual-surface design: a flat side for straight edges and a rounded side for curved surfaces.

Is this file intended for finish work or heavier stock removal?

The short description calls it excellent for finish work, while the long description also notes it can be used for general material removal. The source does not specify how aggressive the cut is beyond the title’s 'bastard cut' designation.

What size is this file?

The title identifies it as an 8 inch (20.3 cm) half-round file.

Who makes this file?

The source lists the manufacturer as Apex Tool Group, and the product is presented under the Brownells Half-Round Files name.