L389 Series Thread Inserts

Safety flange.
Open version/through hole.
Easy installation, Thread repair.

Installation:

The insert is installed using traditional tapping principles.
Installation can be carried out using a hand tool (for Iow volumes), a tapping head attachment for a pillar drill, a standard tapping machine or fully automatic installation equipment.

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TECHNICAL PARAMETER

FAQ

A Thread size	M4x0.7
E External diameter	M7
P Pitch	1
D1 Hole size	4.35
L1 Length	8
L2 Length	8.6
L3 Depth	3.3
HD Hole diameter	7.6
Knurl DIN 82	1.2
Base panel material	Plastic
Materials	Brass
Heat Treatment	None
Surface Treatment	Cleaning
Installation Equipment/Method	Self-tapping Insert

L389-Brass Self-Tapping Inserts Supplier data

1. What are brass self-tapping inserts?

Brass self-tapping inserts are threaded fasteners designed to create strong, permanent threads in soft materials like wood, plastic, ABS, and foamed plastics. They provide superior holding power compared to standard screws.

2. What materials are your brass inserts suitable for?

Our inserts work perfectly with:

♦ Wood and wood composites

♦ Plastic boards and ABS

♦ Foamed plastics

♦ Other soft materials requiring reinforced threads

Installation

3. How are brass self-tapping inserts installed?

Installation follows traditional tapping principles using:

♦ Hand tools (for low-volume work)

♦ Pillar drill with tapping head attachment

♦ Standard tapping machines