The axial length of the CSD Series of ultraflat gearing component sets is 50% shorter than the CSF Series. The CSD Series, which uses a special S-tooth profile, is suitable for robotic, aerospace, and factory-automation applications. CSD Size-20 has a rated torque of 248 lb-in. and a maximum torque of 673 lb-in. It is available in gear ratios of 50, 100, and 160:1.

HD Systems Inc., 89 Cabot Court, Hauppauge, NY 11788, (800) 231-4374.