Tackle flat surfaces and inside curves with the Benchmark Abrasives 8" Half-Round File (Bastard Cut). Double-cut teeth on both faces help remove stock efficiently during shaping, fitting, and deburring. The bastard-cut grade provides relatively coarse cutting action for efficient material removal, while the double-cut tooth pattern on both faces helps increase stock-removal speed. Its 8" nominal length provides a practical balance of reach, filing area, and control for fabrication, maintenance, and repair work.
Quantity: 1 Piece
Product Specifications
Specification
Details
Length
8" Nominal
Profile
Half-Round
Cut Grade
Bastard Cut
Tooth Pattern
Double Cut on Both Faces
Quantity
1 Piece
Product Features
Half-round profile combines a flat face and curved face for versatile filing.
Bastard-cut grade provides coarse cutting action for efficient stock removal.
Double-cut teeth on both faces support faster material removal.
Flat side is suited for straight and flat surfaces.
Rounded side is useful for curved, concave, and radiused work.
8" nominal length provides added reach and filing area compared with shorter files.
Designed for manual shaping, fitting, deburring, and general-purpose filing.
Applications & Performance
The 8" Half-Round File is designed for stock removal on both flat and curved surfaces. Its dual-profile shape allows one file to handle straight work as well as contours, inside curves, and radiused features.
Common applications include:
Filing flat surfaces and straight edges
Shaping curved and concave surfaces
Radius and contour work
General stock removal
Fitting and adjustment
Deburring and edge cleanup
Maintenance and repair work
For ordinary filing, apply controlled pressure on the forward stroke and reduce pressure during the return stroke.
Safety Tips
Secure the workpiece on a bench or in a vise instead of holding it in the palm of your hand.
Wear appropriate eye protection and other PPE required for the material and task.
Use a securely fitted handle on a tanged file. Inspect the file and handle before use, and replace damaged handles.
Never strike a file or use it as a pry bar, hammer, punch, or other impact tool.
Keep the teeth clean and remove trapped chips or pinning as needed.
Tackle flat surfaces and inside curves with the Benchmark Abrasives 8" Half-Round File (Bastard Cut). Double-cut teeth on both faces help remove stock efficiently during shaping, fitting, and deburring. The bastard-cut grade provides relatively coarse cutting action for efficient material removal, while the double-cut tooth pattern on both faces helps increase stock-removal speed. Its 8" nominal length provides a practical balance of reach, filing area, and control for fabrication, maintenance, and repair work.
Quantity: 1 Piece
Product Specifications
Specification
Details
Length
8" Nominal
Profile
Half-Round
Cut Grade
Bastard Cut
Tooth Pattern
Double Cut on Both Faces
Quantity
1 Piece
Product Features
Half-round profile combines a flat face and curved face for versatile filing.
Bastard-cut grade provides coarse cutting action for efficient stock removal.
Double-cut teeth on both faces support faster material removal.
Flat side is suited for straight and flat surfaces.
Rounded side is useful for curved, concave, and radiused work.
8" nominal length provides added reach and filing area compared with shorter files.
Designed for manual shaping, fitting, deburring, and general-purpose filing.
Applications & Performance
The 8" Half-Round File is designed for stock removal on both flat and curved surfaces. Its dual-profile shape allows one file to handle straight work as well as contours, inside curves, and radiused features.
Common applications include:
Filing flat surfaces and straight edges
Shaping curved and concave surfaces
Radius and contour work
General stock removal
Fitting and adjustment
Deburring and edge cleanup
Maintenance and repair work
For ordinary filing, apply controlled pressure on the forward stroke and reduce pressure during the return stroke.
Safety Tips
Secure the workpiece on a bench or in a vise instead of holding it in the palm of your hand.
Wear appropriate eye protection and other PPE required for the material and task.
Use a securely fitted handle on a tanged file. Inspect the file and handle before use, and replace damaged handles.
Never strike a file or use it as a pry bar, hammer, punch, or other impact tool.
Keep the teeth clean and remove trapped chips or pinning as needed.
Clean and dry the file before storage.
Frequently Asked Questions
An 8" half-round file is useful for flat surfaces, curved surfaces, concave areas, and radiused features. The flat and rounded faces give one file the ability to work across multiple surface shapes.
Bastard cut refers to a relatively coarse file grade intended for efficient stock removal. It is coarser than second cut.
A double-cut file has intersecting rows of teeth that generally remove material faster than a comparable single-cut design. This file uses double-cut teeth on both faces.
The flat face works well on straight surfaces and edges, while the rounded face is better suited for curves, concave areas, and radiused features.
Use it for shaping and deburring mild steel and other iron-based workpieces, as well as plastics and wood. For aluminum, choose an aluminum-specific file to help reduce clogging.
No. This is a hand file for manual use. It is not designed to mount in an air saw or powered filing tool.
Apply controlled cutting pressure on the forward stroke and reduce pressure during the return stroke. This helps maintain effective cutting action while limiting unnecessary wear.
Choose the 8" size for everyday filing when you want a balance of control and reach. Match the file profile to the surface you need to work on.
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