Self Tapping Threaded Insert W. 3 Hole
| Internal Thread | External Thread | Length | Hole Size | Hole Depth | ||
|---|---|---|---|---|---|---|
| inch/ Part NO. | mm Part NO. | d2 mm | P inch | (L) | +0.003" -0.000" | |
| 4-40 TS30440 | M3 TS30030 | 4.50 | 0.50 | 0.157" | 0.157" | 0.236" |
| 4-40 TS30440L | M3 TS30030L | 4.50 | 0.50 | 0.236" | 0.157" | 0.315" |
| 6-32 TS30632 | M3.5 TS30035 | 5.00 | 0.60 | 0.197" | 0.177" | 0.276" |
| 6-32 TS30632L | M3.5 TS30035L | 5.00 | 0.60 | 0.315" | 0.177" | 0.394" |
| 8-32 TS0832 | M4 TS30470 | 6.00 | 0.70 | 0.236" | 0.216" | 0.315" |
| 8-32 TS0832L | M4 TS30470L | 6.00 | 0.70 | 0.315" | 0.216" | 0.394" |
| 10-32 TS01032 | M5 TS30580 | 6.50 | 0.80 | 0.276" | 0.236" | 0.354" |
| 10-32 TS01032L | M5 TS30580L | 6.50 | 0.80 | 0.394" | 0.236" | 0.512" |
| 1/4-20 TS30420 | M6 TS30610 | 8.00 | 1.00 | 0.315" | 0.291" | 0.394" |
| 1/4-20 TS30420L | M6 TS30610L | 8.00 | 1.00 | 0.472" | 0.291" | 0.591" |
| 5/16-18 TS30518 | M8 TS308125 | 10.00 | 1.25 | 0.354" | 0.366" | 0.443" |
| 5/16-18 TS30518L | M8 TS308125L | 10.00 | 1.25 | 0.551" | 0.366" | 0.669" |
| 3/8-16 TS30616 | M10 TS301015 | 12.00 | 1.50 | 0.394" | 0.437" | 0.512" |
| 3/8-16 TS30616L | M10 TS301015L | 12.00 | 1.50 | 0.709" | 0.437" | 0.866" |
| 7/16-14 TS3071614 | M12 TS301275 | 14.00 | 1.75 | 0.472" | 0.516" | 0.590" |
| 7/16-14 TS3071614L | M12 TS301275L | 14.00 | 1.75 | 0.866" | 0.516" | 1.024" |
| 1/2-13 TS301213 | M14 TS301420 | 16.00 | 2.00 | 0.551" | 0.590" | 0.669" |
| 1/2-13 TS301213L | M14 TS301420L | 16.00 | 2.00 | 0.945" | 0.590" | 1.102" |
| 5/8-11 TS305811 | M16 TS301620 | 18.00 | 2.00 | 0.551" | 0.669" | 0.669" |
| 5/8-11 TS305811L | M16 TS301620L | 18.00 | 2.00 | 0.945" | 0.669" | 1.102" |
| Internal Thread | External Thread | Length | Hole Size | Hole Depth | ||
|---|---|---|---|---|---|---|
| inch/ Part NO. | mm Part NO. | d2 mm | P inch | (L) | +0.003" -0.000" | |
| 4-40 TSB30440 | M3 TSB30030 | 5.00 | 0.60 | 0.157" | 0.181" | 0.236" |
| 4-40 TSB30440L | M3 TSB30030L | 5.00 | 0.60 | 0.236" | 0.181" | 0.315" |
| 6-32 TSB30632 | M3.5 TSB30035 | 6.00 | 0.80 | 0.197" | 0.216" | 0.276" |
| 6-32 TSB30632L | M3.5 TSB30035L | 6.00 | 0.80 | 0.315" | 0.216" | 0.394" |
| 8-32 TSB0832 | M4 TSB30470 | 6.50 | 0.80 | 0.236" | 0.236" | 0.315" |
| 8-32 TSB0832L | M4 TSB30470L | 6.50 | 0.80 | 0.315" | 0.236" | 0.394" |
| 10-32 TSB301032 | M5 TSB30580 | 8.00 | 1.00 | 0.276" | 0.291" | 0.354" |
| 10-32 TSB301032L | M5 TSB30580L | 8.00 | 1.00 | 0.394" | 0.291" | 0.512" |
| 1/4-20 TSB30420 | M6 TSB30610 | 10.00 | 1.25 | 0.315" | 0.366" | 0.394" |
| 1/4-20 TSB30420L | M6 TSB30610L | 10.00 | 1.25 | 0.472" | 0.366" | 0.591" |
| 5/16-18 TSB30518 | M8 TSB308125 | 12.00 | 1.50 | 0.354" | 0.437" | 0.443" |
| 5/16-18 TSB30518L | M8 TSB308125L | 12.00 | 1.50 | 0.551" | 0.437" | 0.669" |
| 3/8-16 TSB30616 | M10 TSB301015 | 14.00 | 1.50 | 0.394" | 0.516" | 0.512" |
| 3/8-16 TSB30616L | M10 TSB301015L | 14.00 | 1.50 | 0.709" | 0.516" | 0.866" |
| 7/16-14 TSB3071614 | M12 TSB301275 | 16.00 | 1.75 | 0.472" | 0.590" | 0.590" |
| 7/16-14 TSB3071614L | M12 TSB301275L | 16.00 | 1.75 | 0.866" | 0.590" | 1.024" |
| 1/2-13 TSB301213 | M14 TSB301420 | 18.00 | 2.00 | 0.551" | 0.669" | 0.669" |
| 1/2-13 TSB301213L | M14 TSB301420L | 18.00 | 2.00 | 0.945" | 0.669" | 1.102" |
| 5/8-11 TSB305811 | M16 TSB301620 | 20.00 | 2.00 | 0.551" | 0.748" | 0.669" |
| 5/8-11 TSB305811L | M16 TSB301620L | 20.00 | 2.00 | 0.945" | 0.748" | 1.102" |
Our 3-Hole Self-Tapping Threaded Inserts are specifically engineered to address this challenge.
Featuring an integrated self-cutting capability, these inserts tap their own threads during installation, eliminating the need for pre-tapping.
This streamlines production processes, reduces labor costs, and ensures a permanent, high-strength internal thread in low-shear base materials.
【Key Features & Technical Highlights】
Efficient 3-Hole Cutting Design: The three symmetrical cutting holes facilitate efficient chip removal and distribute cutting pressure evenly, ensuring smooth installation and precise alignment.
Exceptional Pull-out & Vibration Resistance: The larger external diameter increases the contact surface area with the substrate, providing superior Axial Load capacity and maintaining fastener integrity under intense operational vibrations.
Structural Reinforcement: Protects internal threads from wear and tear caused by repeated assembly, significantly extending the service life of high-value components.
Material & Coating Versatility: Available in Case-hardened Carbon Steel, Stainless Steel (SUS303/304/316), and Brass, with surface treatments including Zinc Plating and Passivation to meet specific corrosion standards.
【Industry Applications】
Our inserts are the preferred choice for Automotive transmission housings, Aerospace structural components, Electronic magnesium-alloy enclosures, and Industrial Automation fixtures where reliability is mission-critical.
【Quality Assurance】
As a premier fastener manufacturer in Taiwan, we deliver trust through precision.
Our facilities are ISO 9001 certified, employing Automated Optical Inspection (AOI) and rigorous destructive testing to guarantee zero-defect performance.
All products are fully RoHS and REACH compliant, ensuring your global market access.
MATERIAL AVALIABLE：
STEEL, STAINLESS STEEL, ALUMINUM, ALUMINUM ALLOY, BRASS
FOR USE IN THICK WALL OR CLOSE TO AN EDGE
ADVANTAGE:
1.HIGH PULL-OUT STRENGTH
2.HIGH TORQUE RESISTANCE
3.STRONG WEAR RESSTANCE THREAD
4.FAST, EASY INSTALLATION
5.EXTREME VIBRATION RESISTANCE
OTHER SIZE, MATERIAL ARE AVAILABLE UPON REQUEST
Which industry is recommended for use Self Tapping Threaded Insert W. 3 Hole?
Self-tapping threaded inserts with three holes are utilized in various applications and industries where secure and reliable fastening is essential, and the unique features of these inserts, including the three holes, offer specific advantages. Some of the common applications and users of these inserts include:
Automotive Industry: In automotive manufacturing and repair, these inserts can be used to create strong and stable connections in components subject to vibration and stress. They are often employed in engine parts, body panels, and suspension systems.
Aerospace Industry: The aerospace sector requires precision and reliability. Self-tapping threaded inserts with three holes can be used in aircraft assembly and maintenance, ensuring secure fastening in critical components.
Construction and Building: In the construction industry, these inserts can be used to provide strong connections in structural components, especially in applications where stability and load-bearing capacity are crucial.
Heavy Machinery and Equipment: These inserts can be employed in the manufacturing and repair of heavy machinery, such as tractors, industrial equipment, and excavators, where they help secure components and withstand significant forces.
Furniture and Cabinetry: In the furniture and cabinetry industry, these inserts can be used to create sturdy joints and connections, ensuring that furniture pieces remain stable over time.
Electronics and Electrical Enclosures: Self-tapping threaded inserts with three holes can be used to secure components and hardware within electronic enclosures, ensuring a reliable and durable attachment.
Industrial and Manufacturing: Various manufacturing processes and industries may use these inserts in applications where high torque resistance, alignment, and stability are required.
DIY Enthusiasts: Hobbyists and DIY enthusiasts might use these inserts for specialized projects, such as custom-built furniture or home repairs, where they require a strong and reliable fastening solution.