Flexible Shaft Set for 102/204

Consider the amount of bends the shaft should be able to pass through. The more bends you have to navigate, the thinner the shaft should ideally be. With that said, The thicker the flex shaft is, the more torque it will deliver but it comes with a cost of flexibility. The thinner the shaft is, the more flexibility it will have but it comes with a cost of torque delivered.

Also, if you use small diameter shafts in bigger pipes, you’ll eventually risk getting the shaft wound up inside the pipe if your tool gets stuck, for example. The thicker the shaft, the less bend radius it has.

DN32 (1 ¼”) - DN50 (2″) pipes:
We recommend going with a 6mm (¼″) shaft thickness if you want to be able to navigate through 90° bends in this diameter. Any thicker flex shaft might be having issues navigating through 90° bends in DN50 (2″) sized pipes.

DN75 (3″) - DN100 (4″) pipes:
In this size range we recommend choosing the thickness of 8mm (⁵⁄₁₆″) to the flex shaft when there are tight bends to navigate through. Aggressive descaling is slightly less effective than it would be with a thicker shaft, but it is doable.

DN100 (4″) and DN150 (6″) pipes:
We recommend choosing the 10mm (⅜″) flexible shaft thickness. It is great for descaling and blockage removal in these sized pipes. If in the DN100 (4") pipe there are tight bends, consider having the 8mm (⁵⁄₁₆″) shaft thickness.

(Conditionally) DN100 (4″) to DN200 (8″) pipes:
When the line is straight without bends and you need the maximum unclogging or descaling power, the thickest flexible shaft option of 12mm (½″) is the one we recommend choosing. The thickest flex shaft might go one or even two bends, but this might affect the torque delivered to the chain knocker or any other tool in the end of the shaft. If you're facing a lot of bends in this size range, you should also consider picking the 10mm (⅜″) as the thickness.

When planning for your equipment lineup, it’s often easy to slip away to think that maxing out all capabilities is the best way to go, just in case. As with most things, this isn’t true with flex shafts either.

First of all, flexible shafts carry substantial amount of weight per meter. You don’t want to carry the weight of a 30-meter (~100ft) shaft to a jobsite needing a 5-meter (~16ft) cleanup, right?

Secondly, the longer your shaft is, the more power you need to deliver necessary torque to the other end; there is a slight energy loss passed through the flexible shaft. This is especially true in situations where you’re running, let’s say, a 30-meter (~100ft) shaft, but you only wind open 5 meters from it. This means that you have a good 25 meters (~80ft) of shaft wound up, and as you try to run that wound pile, it will need so much power to even get the end moving that you’ll probably burn your cordless drill before you get it rotating.

Thirdly, it’s good to realize that most of the blockages never occur further than 20 meters (~65ft) away from your point of entry, and in most cases, cleanouts are located around 25 meters (~80ft) apart. Make no mistake, we know you’re the professional and know your market and job specific needs best, so we just hope to widen perspectives on making the right choice here.

So, taking these 3 things into consideration, instead of just rushing in and getting the longest shaft your money can buy, you should consider your needs. What pipe lengths are about 80% of your jobs? What are the 20%? Our suggestion would be to get the correct length for those 80% and get additional flex shaft that has combined length with the first one to cover those last 20%. With a Shaft-to-Shaft Connector you can even attach two different diameter shafts together if need be. This way you have the ultimate setup for maximum mobility, lightweight, control in bend navigation & torque ratios.

Bonus tip: When choosing the length and diameter of the flex shaft, you might want to check if it can fit to the flex shaft carrier if you're planning to get one.

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How long does it take to get my order?

Typically, delivery takes about 7-11 business days, often quicker within Europe. Our operations pause over the weekend, impacting processing times. Orders placed on Saturdays and Sundays are dispatched on Mondays. However, due to high demand, there might be delays, and orders might not ship until Tuesday.

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Shipping costs are calculated based on product size, total weight, and destination. Adding items to your order may affect shipping rates. For example, adding three flexible shafts after checking costs for a single chain knocker could increase shipping fees.

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