BL Series Inserts

The advantages:

Press-fit insert provides strong,reusable threads.No heat or ultrasonics required.

Hexagonal ""barbed""configuration ensures high torque-out and pullout values.

Aluminum inserts ideal for light weight designs.

Aluminum and stainless steel inserts offer lead-free alternative.

Designed for thermoplastic plastics（ABS,PP,etc.）

Installation instruction:

Using mold that matches the inner hole and outer diameter for installation

The installing bore diameter needs to comply with the size table

The pressing depth should be parallel to or 0.05mm higher than the plastic surface after installation.

REQUEST SAMPLES

CAD FILES DATASHEET

TECHNICAL PARAMETER

PRODUCT CAPABILITY

A Thread size	1/4-20UNC
L Insert lengths	.315 in
SW Head Size	.312 in
P Max. Pilot end	.311 in
Base panel material	Plastic
H Hole diameter	.312-0.315 in
X Min.Boss diameter	.750 in
Y Min. Hole depth	.328 in
Materials	Aluminum
Surface Treatment	Cleaning
Installation Equipment/Method	Press-in Threaded Inserts

Leasan Enterprise Group, with a history of 33 years, has developed into a globally recognized manufacturer with five production bases strategically located in Taiwan, Singapore, Mexico, Jiangsu, and Guangdong. The company is equipped with over 3,600 sets of advanced high-precision machinery, including CNC lathes, milling machines, grinders, precision presses, and injection molding machines, providing comprehensive and systematic industrial part manufacturing services.

To better serve a global clientele, Leasan has established three independent operation centers in Taiwan, Singapore, and Shenzhen. These centers are dedicated to facilitating business cooperation and delivering timely technical support to customers worldwide.

At Leasan, delivering superior product quality while minimizing resource consumption is a fundamental commitment. As a precision-driven enterprise, the company implements a full-process quality management system compliant with ISO 9001:2018. Every step—from IQC (Incoming Quality Control) to IPQC (In-Process Quality Control) and OQC (Outgoing Quality Control)—is strictly monitored to ensure all customer quality requirements are met.

Our company’s brand, In-saiL®, utilizes state-of-the-art quality inspection equipment capable of conducting mechanical property tests, dimensional and contour measurements, and corrosion-resistance evaluations at all stages: incoming, in-process, and outgoing. This end-to-end inspection capability ensures consistent product reliability and performance.

Product application fields: automotive, medical, electronic, engineering equipment and other fields,Customers in 65 countries and regions around the world. Over the past 20 years, In-saiL Precision has achieved sustained and stable development thanks to the patronage of tens of thousands of customers at home and abroad. We has gone up one step after another from R&D Design,lean manufacturing capabilities to professional sales capabilities, and now we can fully meet the quality requirements of customers in various industries. In the future, we will continue to be committed to providing strong support for global equipment manufacturers and other customers, offering more competitive services, and working together to contribute to the development of industrial products.