KBS Rollobend System

Long-Radius Roller-Bearing Tubing Bender

Get Precise and Reproducible Bends on Electro-Polished Stainless Steel Tubing.  For Ultra-High Purity UHP Thin-Wall Electro-Polished Stainless Steel Tubing.

Tubing Benders

Bend Steel, Stainless Steel, Aluminum, Brass, Soft and Some Hard Copper and Other Tubing Materials

  • Each tool bends up to 180 degrees and large radius bends are ideal for preventing smooth inside walls from crinkling, flaking and generating particulate contamination.   
  • The open side slips over the tubing at any point. You get smooth long bends with no marking, scraping or flattening. 
  • No need to figure spring-back – it’s been done for you.

KBS Rollobend system

Our Happy Clients

This system has been approved and used in major micro-electronic facilities and by contractors throughout the United States.


Lam Research

BMWC Constructors


Total Facility Systems

Harder Mechanical

ACCO Engineered Systems

Murray Company

JB Henderson Construction


For Application Assistance or to Order call (408) 499-4891

Standard Rollobend System, 2.50" radius*

1/4" tube OD x .035" wall thickness3/8" tube OD x .035" wall thickness1/2" tube OD x .049" wall thickness
Part # 4100 10X, 2.50" radiusPart # 6600 6.67X,2.50" radiusPart # 8500 5X, 2.50" radius

Other Rollobend System Sizes, 1.25" - 5.00" radius

1/4" tube OD x .035" wall thickness3/8" tube OD x.035" wall thickness1/2" tube OD x.049" wall thickness
Part # 4500 5X, 1.25" radiusPart # 6500 5X, 1.87" radiusPart # 8400 4X, 2.00" radius
Part # 4800 8X, 2.00" radiusPart # 6800 8X, 3.00" radiusPart # 8600 6X, 3.00" radius
Part # 6100 10X, 3.75" radiusPart # 8100 10X, 5.00 radius

*Recommended combination is #4100, #6600, #8500, maintaining even center-to-center distance.

These tubing benders are not for use with wall thicknesses heavier than the specification shown here, and are not designed for high-pressure hydraulic tube bending applications


Long Radius Tubing Benders

A Specified and Required Tool

If you are a contractor and / or a facility involved in high-purity orbital welding operations KBS Long Radius Tubing Benders are a specified and Required Tool.

100% Made In The USA

In Stock and 100% Made in the USA


KBS Long Radius Tubing Benders have been specified and required by major micro-electronic manufacturing facilities for their high-purity process piping system installations throughout the United States and the world . 

Probend industries


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(408) 499-4891