What is the bend radius for 1/4 tube?

Measured with dial calipers across the bend surface is .730 it appears to be a 13/32 or .406 radius. I Bent some 1/4" tubing into a circle with it and it came out to .812 inside diameter.

Can this bend 3/16 inch stainless steel tubing?

Worked fine with 0.035 wall 1/4. You should have no problem with 3/16.

Can this tool bend a 1/8 inch steel tube? I see that most people are using it on copper and aluminum.

It depends on the mailability of the metal. If it does not ben easily, the tube bender will not be able to bend it.

Can bender be used to make a coil?

I think it would be possible to form a coil, but the tool is really designed to make 1 to 90 degree bends and it is easy to continue to 180 degrees. It is important to remember that the tool only bends to one radius.

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🔩 Bend it like a pro—precision meets portability!

COMPACT PORTABLE - Slim, lightweight design fits perfectly in any toolbox for on-the-go projects.
BUILT TO LAST A LIFETIME - Durable aluminum construction backed by a lifetime warranty for peace of mind.
PRECISION BENDS EVERY TIME - Reference marks at 45° & 90° ensure flawless accuracy for professional results.
VERSATILE TUBE COMPATIBILITY - Effortlessly bends copper, brass, and aluminum tubing in three popular sizes.
EFFORTLESS HAND POWERED CONTROL - No batteries or power tools needed—just reliable manual operation.

The Capri Tools Tube Bender (CP21105) is a lightweight, hand-powered tool designed for precise bending of small-diameter copper, brass, and aluminum tubing (1/8, 3/16, and 1/4 inch). It offers a bending range of 0-120 degrees with clear reference marks for accuracy, all packed in a compact design that fits easily into any toolbox. Built from durable aluminum and backed by a lifetime warranty, it’s the go-to tool for professionals and DIYers who demand precision and portability.

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Manufacturer	Capri Tools
Part Number	CP21105
Item Weight	5 ounces
Product Dimensions	5.5 x 2.5 x 1.25 inches
Item model number	CP21105
Material	Aluminium
Power Source	Hand Powered
Item Package Quantity	1
Included Components	tube bender
Batteries Included?	No
Batteries Required?	No
Warranty Description	Lifetime Warranty

Capri Tools Tube Bender, 1/8, 3/16 and 1/4 in. (CP21105)

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