Apex 39881N Pillar File Safe Edge Cut 4 Steel 4 Inch

Product Description

The APEX 39881N is a Cut 4 pillar file with safe edges, designed for precision filing work in metal fabrication, mechanical maintenance, and trade shop environments. The pillar profile features a narrow width and rectangular cross-section that allows access to tight slots, keyways, and confined recesses where wider files cannot reach. Safe edges leave adjacent surfaces unmarked during filing, giving technicians control when working close to finished shoulders or mating faces. Constructed from steel with a hard-stamped marking style, this file is built for repeated use in demanding shop conditions.

This pillar file suits machinists, millwrights, pipefitters, and general mechanical trades who require fine, controlled material removal on steel, cast iron, and similar ferrous metals. The regular style and Cut 4 tooth pattern are appropriate for finishing work and deburring after rough shaping. At 4 inches in length, the file is well suited for detail work on small parts, valve components, bracket slots, and similar confined features common in HVAC, plumbing, and industrial maintenance settings.

Key Features

• Cut 4 tooth pattern provides fine, smooth material removal for finishing and deburring
• Safe edges protect adjacent surfaces from unintended filing damage
• Pillar profile allows access to narrow slots, keyways, and confined recesses
• Steel construction delivers durability for repeated use on ferrous metals
• Hard-stamped markings for clear, permanent identification
• Compact 4-inch length suited for detail and precision work on small components

Compatibility

Designed as a general-purpose pillar file suitable for use on ferrous metals and common workshop materials in mechanical, HVAC, plumbing, and industrial maintenance applications.

Installation Notes

Pillar files are hand tools used by qualified trades in shop and field settings. Secure the workpiece firmly in a vise before filing to maintain control and consistent stroke direction. Always use a proper file handle to protect the hand from the tang. Inspect the file for cracks or damaged teeth before each use and do not apply files to hardened surfaces beyond the file's rated hardness.

Technical Specifications

• File Cut: Cut 4
• File Shape: Pillar
• Edge Type: Safe Edges
• Style: Regular
• Material: Steel
• Marking Style: Hard Stamped
• Overall Length: 3.94 inches
• Overall Width: 0.37 inches
• Overall Height: 0.1 inches
• Weight: 0.04 pounds

Standard Information

• Brand: APEX
• Manufacturer Part Number: 39881N