The Crescent Nicholson 21857N Half-Round Bastard File is a versatile, high-performance hand tool designed for shaping, smoothing, and finishing a wide range of materials. Whether you're working with iron, mild steel, plastics, or wood, this file delivers aggressive material removal with precision and control. Its dual-surface design makes it ideal for both flat and curved applications, making it a must-have for machinists, metalworkers, woodworkers, and DIY enthusiasts.

Key Features:

• Dual-Surface Versatility
  Features a half-round profile with one flat side and one rounded side, allowing you to work on concave, convex, and flat surfaces with ease.

• Bastard Cut Coarseness
  The double-cut teeth on both sides provide a coarse finish, ideal for rapid material removal while maintaining control and accuracy.

• American Pattern Design
  Crafted to American pattern standards, this file offers consistent performance and durability across a wide range of tasks.

• No Handle for Enhanced Control
  Designed without a handle, the file allows for precise pressure application, giving users greater maneuverability in tight or detailed workspaces.

• Durable Alloy Steel Construction
  Built from high-quality alloy steel, the file resists wear and maintains its cutting edge over time, even under heavy use.

• Ideal for Multiple Materials
  Suitable for use on:

  • Iron and mild steel
  • Plastics
  • Wood
  • Composite materials

Specifications:

• Model: 21857N
• Length: 8 inches
• Cut Type: Bastard (Coarse)
• Profile: Half-Round
• Material: Alloy Steel
• Finish: Painted / Natural
• Weight: Approx. 4.6 oz (0.31 lb)
• Dimensions: 12.8" L x 2.5" W x 0.33" H
• UPC: 037103219084
• Warranty: Manufacturer’s Limited Lifetime Warranty

Applications:

• Metalworking and fabrication
• Woodworking and carpentry
• Automotive and mechanical repair
• General-purpose shaping and smoothing
• Pipe fitting and hole rounding