3M Heat Shrink Tubing: 0.47 in I.D. Before Shrinking, 0.16 in I.D. After Shrinking
The 3M Heat Shrink Tubing (SKU 4NKY6) is a standard heat shrink tubing product in black, with a 0.47-inch inner diameter before shrinking and a 0.16-inch inner diameter after shrinking. Each piece is 4 feet long, and…
SKU 3G-OTH-54459
Need installation or engineering help?
Ask a question
Product Description
The 3M Heat Shrink Tubing (SKU 4NKY6) is a standard heat shrink tubing product in black, with a 0.47-inch inner diameter before shrinking and a 0.16-inch inner diameter after shrinking. Each piece is 4 feet long, and the package contains 12 pieces. The manufacturer part number is SFTW-203-1/2-48-BLACK.
Frequently Asked Questions
What is 3M Heat Shrink Tubing used for?
3M Heat Shrink Tubing is used to insulate and protect electrical wires, cables, and connections from moisture, abrasion, and short circuits. It is commonly applied in industrial maintenance, automotive wiring, and electronics repair where a durable, tight-fitting insulation layer is required after heating.
What are the specifications of 3M Heat Shrink Tubing SFTW-203-1/2-48-BLACK?
This 3M Heat Shrink Tubing has a 0.47-inch inner diameter before shrinking and a 0.16-inch inner diameter after shrinking. Each piece is 4 feet long, and the package contains 12 pieces. The tubing is black, with manufacturer part number SFTW-203-1/2-48-BLACK.
Where to buy 3M Heat Shrink Tubing worldwide?
You can source 3M Heat Shrink Tubing through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time on this 3M product.
How to install 3M Heat Shrink Tubing?
To install, slide the tubing over the connection or wire before shrinking. Apply heat evenly using a heat gun or hot air blower at the recommended temperature (typically around 121 °C). The tubing will shrink to a tight fit around the substrate, providing insulation and strain relief.
Used in
Common applications for 3M3M Products
3G Electric supplies 3M standard heat shrink tubing. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.















