Thomson currently has two account systems - one for the website and CAD model downloads, and one for e-commerce. We understand that two logins is an inconvenience and are working to consolidate our systems into one login process. Until we’re able to consolidate the two logins, please follow these guidelines:
Our standard lead screws are available in diameters from 0.2 in (6
mm) to 2 in (50 mm). We are able to produce some special sizes down to
0.05 in (1.2 mm) diameter. Leads range from 0.01 in (0.3 mm) to over 2
in (50 mm) standard. We can supply leads over 3.5 times the diameter.
screws are primarily made of 300 Series stainless steel, though we do
offer some sizes in low carbon steel. The low carbon steel screws are primarily for use with bronze nuts.
Lead accuracy grades:
SRA = 0.010 in/ft or 250 µm/300 mm
SPR = 0.003 in/ft or 75 µm/300 mm
can provide lead screws with a PTFE coating, a solid film lubricant on
the screw that enhances the lubricity of the screw assembly without