The revolutionary high helix multi-start lead screws can offer leads of up to 6 x the diameter of the screw. This multi-start  lead screw product provides high linear nut speeds from low rotational screw speeds.  Aimed at replacing timing belt mechanisms or executing fast and reliable linear motion the efficient conversation of linear to rotary movement makes this unique product usable in many applications. Formed by the cold rolled forming process, the screws are proving to be a superb economical solution for linear applications. Using a comprehensive range of screw diameters from 8mm through to 36mm, and combining these with two standard types of nut, (Flanged preloaded or simple flanged)  results in a high integrity lead screw and nut product that is ready to be fitted directly into the application and perform.

Lifts per Twirl ! - Screw leads from 7.5mm to 200mm as standard.

The screws can be manufactured from Steel, Stainless Steel and Aluminium whilst the associated nuts are available in wear resistant thermoplastic (Plastic Polymer Nuts: - 40 deg C to + 60 deg C) or Bronze (Bronze Nuts: - 40 deg C to + 200 deg C) for higher loads or temperature. When choosing a High helix lead screw for your application you should consider that we can offer a standard Lead Accuracy 0.21mm / 300mm or a precision Lead Accuracy of 0.10mm / 300mm.

We offer a full end journal machining service with this product, so that the product can fit suitable radial and thrust bearings.

Now available in Aluminium !

HIGH HELIX LEADSCREW WITH STANDARD THREAD HIGH HELIX LEADSCREW WITH STANDARD THREAD HIGH HELIX LEADSCREW COMPLETE WITH FINE-PITCH THREAD
Screw: Steel (including stainless)Screw: Steel (including stainless)Screw: Steel (including stainless) or hard-anodised Aluminium
Nut: Plastic or BronzeNut: Plastic or BronzeNut: Plastic or Bronze (only with screws made of Steel)
Diameter (mm) / Pitch (mm)

Diameter (mm) / Pitch (mm)

Diameter (mm) / Pitch (mm)

8/1020/126/25
10/12*20/457.5/7.5
12/15*21/27*8/30*
12/2521/3510/10
10/50*22/2011/40*
11/6022/5012/45*
13/2023/30*12.5/12.5
13/7024/40* available with right-handed and left-handed thread
14/824/55 
14/18*26/16
14/3026/24
15/2026/60
15/80*27/45HIGH HELIX LEADSCREW WITH INCH THREAD
16/2128/65Screw: Steel (including stainless) Nut: Plastic or Bronze
16/2530/28Diameter (mm) / Pitch (mm)
16/3530/509.7/25.4
16/90*30/7011.2/30.5*
18/1632/2012.8/35.6*
18/24*32/7514.3/40.6*
18/4034/3216.0/45.7*
18/100*34/8017.6/50.8*
19/3036/20025.7/76.2*
* available with right-handed and left-handed thread* available with right-handed and left-handed thread* available with right-handed and left-handed thread

 

High Helix Lead Screw and Nut

 

For each screw type we offer a preloaded, anti backlash nut or standard single nut designs, complete with flange for ease of connection. Special designs of nuts can be supplied via our speedy engineering department.

 

 


Linear guides and rails

Guides & RailsIf you are interested in the using the High Helix screw ranges, do not forget that we also supply the full range of linear guides and rails which can provide the load support in your linear mechanism. Offering excellent rigidity and parallelism during operation the guides can be used in both vertical and horizontal planes.

Following the link to that product page Guides

Thrust and radial bearings

 

Please do not forget to ask for our competitive support bearing prices !

 If you require further technical information, please do not hesitate to contact our sales engineers who will be more than happy to help you with your selection.


Greases and Lubricants

We provide a full range of quality, low cost lubricants for all our linear products including low vapour pressure greases for clean room and vacuum applications. For example the new Trigel line is specifically formulated to offer a lubrication solution for a wide range of linear motion applications. Please ask for further details.  Grease features include, Temperature range -30°C to 150°C,  Revolutionary multi-complex soap technology, Greatly extended lubrication intervals typically 3 times longer than conventional soap thickened greases. Good corrosion resistance. Some greases are supplied blue in colour for high visibility.


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