Universal SR Motor Sets With Heavy Duty Square Drive Shafting.

These SR Moror Sets have Square Drive Heavier Shafting and are great for a wide variety of projects. Sets Include: Motor + Speed Control + Shafting + Handpieces (Accessories sold separately)

Foredom Motors Equipped With Square Drive Shafts And Thicker Protective Sheaths Have A Letter ‘H’ Added To The Model Name (SRH Or TXH, Etc.). The Motor Is Identical. Square Drive Shafting Is Thicker, Less Flexible, Usually 63” Long And Can Connect To 4 Square Drive Handpieces. Few Applications Require Square Drive Shafting With A Torsional Breaking Point Of 50 In.-Lb. (Compared With 24 In.-Lb. For Key Tip Shafting). For Unusually Large Or Difficult Jobs, Square Drive Shafting May Be A Good Choice. * For Use On SR, TX, And LX Motors. Must Use Compatible Handpiece.