Thomson BSA™
SRA4-4308S

Thomson BSA™ precision lead screws are an excellent economical solution for your linear motion requirements. for more than 25 years, Thomson BSA has designed and manufactured the highest quality lead screw assemblies in the industry. Our precision rolling machines ensure accurate positioning to 0.003 in/ft and our PTFE coating process produces assemblies that have less drag torque and last longer.

Thomson BSA™ Lead Screw, Standard, Series: SRA, 7/16 in Screw Diameter, 1/2 in Thread Lead, Right Hand Thread, 0.33 in Root Diameter, 144 in Length, 4 Starts, 303 Stainless Steel, Polished

• Considerable savings over ball screws
• Screw may be ordered cut to length
• Lead screws can be self-locking at small leads
• For the best possible operating conditions, the shaft pitch should always be greater than 1/3 of the nominal diameter
• Less susceptible to contamination by particles than recirculating ball screws
• Improved thread forms for high performance
• No ball recirculating vibration and often less audible noise compared to ball screws
• 0.010 in/ft lead accuracy

• Catalog https://externalassets.unilogcorp.com/ASSETS/DOCUMENTS/ITEMS/EN/Thomson_5703263_Catalog.pdf