3-Square File, 4", Smooth Cut, 71 TPI - Bahco

The Bahco 1-170-04-3-0 3-Square File (4", Smooth Cut, 71 TPI) is a precision triangular file designed for fine finishing in tight spaces and internal corners. Here's a detailed overview:

🔧 Product Specifications

• Length: 100 mm (4 inches)
• Cut Type: Smooth cut (Type 3)
• Teeth per Inch (TPI): 71
• Shape: Triangular (3-square), ideal for filing internal angles and corners
• Surface Cut: Single cut on all three sides
• Handle: Tang style (unhandled)
• Material: High-quality alloy steel
• Weight: Approx. 30 g
• Applications: Used for precision filing in toolmaking, metalworking, and fine mechanical work