E-Z LOK — Self Locking Inserts — Heavy Wall Self Locking Thread Insert, 1/4"-20 Int Thrd Sz, Carbon Steel, 10 PK

E-Z LOK Self Locking Inserts built for consistent performance in maintenance, inspection, and replacement work.

Quick specs

• Material: Carbon Steel
• Finish: Black Phosphate
• System of Measurement: Inch
• Overall Length: 7/16 in
• Manufacturer Part Number: 329-4-PK10
• UPC: 839137000597

Product information

• Country of Origin: United States
• Manufacturer Part Number: 329-4-PK10
• UPC: 839137000597

Dimensions

• Insert Diameter: 7/16 in
• External Thread Size: 7/16"-14
• Drill Bit Size: 23/64 in
• Minimum Installation Depth: 1/2 in
• Tap Sizes: 7/16-14
• Min. Full Thread Depth: 1/2
• Compatible Tap Size: 7/16"-14
• Maximum Hole Diameter: 0.368 in
• Internal Thread Size: 1/4"-20
• Overall Length: 7/16 in

Details

• Features: Pre-Applied Adhesive Activates On Installation, Vibration Resistant
• Internal Thread Fit: 2B
• Full Cure Time: 72 hr
• External Thread Fit: 2A
• Compatible Material: Metal
• Thread Direction: Right Hand
• Series: E-Z LOK
• System of Measurement: Inch
• Material Grade/Class: 12L14
• Tensile Strength: 78,300 psi
• CAD Available: Yes
• Item: Self Locking Thread Insert
• Material: Carbon Steel
• Wall Type: Heavy Wall
• Thread Type: UNC Internal/UNC External
• Installation Method: Screwdriver, Bolt/Nut, or Power Drive Tool
• Tensile Strength (PSI): 78,300 psi
• Brinell Hardness: 163
• Application: For Use on Metal
• Internal Thread Class: 2B
• External Thread Class: 2A
• Power Driver: 4ZE54
• Finish: Black Phosphate

This Self Locking Inserts is selected for dependable day-to-day use.

Recommended for production support and bench work and designed to support reliable operation in demanding environments.

Highlights

• Suitable for maintenance, repair, and project-based procurement.
• Helps keep specifications consistent across replacements and replenishment cycles.
• Designed for professional use where predictable fit and handling are important.
• Works well in standardized part lists and preventative maintenance schedules.

Notes: Confirm fit, compatibility, and any site-specific requirements prior to ordering or installation.