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Bastard File 4" Flat Double Cut Boxed - Nicholson, Cooper Tools

Part #: 03367NN

The Nicholson 03367NN 4" Flat Bastard Double Cut File, from Cooper Tools, is a professional-grade hand tool engineered for efficient and precise material removal in demanding automotive and industrial applications. Designed for durability and consistent performance, this file provides technicians and mechanics with a reliable solution for shaping, deburring, and smoothing a variety of materials.

Key Features

  • 4-inch Flat Profile: Provides a versatile working surface for broad applications while remaining maneuverable for detailed tasks.
  • Bastard Cut Aggressiveness: Delivers an effective balance between rapid stock removal and a manageable surface finish, ideal for initial shaping.
  • Double-Cut Tooth Pattern: Ensures a more aggressive cutting action and promotes faster material removal compared to single-cut designs.
  • Professional-Grade Construction: Manufactured by Cooper Tools under the trusted Nicholson brand, guaranteeing robust quality and extended tool life in challenging work environments.
  • Versatile Material Compatibility: Effectively works with a range of materials including steel, aluminum, brass, and some plastics.

Applications

This Nicholson flat bastard file is an indispensable tool for professional technicians and skilled tradespeople across automotive, manufacturing, and general industrial settings. It is particularly effective for rough shaping and preparing metal components, deburring sharp edges on machined parts, and initial material reduction on castings or fabrications. Mechanics will find it useful for custom fitting parts, widening bolt holes, or smoothing down welds. Its compact 4-inch size makes it well-suited for intricate work and accessing confined spaces where larger files may be impractical.

We have 11 in stock

$9.41

Free shipping on orders over $250
Lower 48 states and DC. Excludes freight and oversize items.
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This product was added to our catalog on Friday 21 August, 2026.

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