Stafford Manufacturing Corp.”s IQ (instrument quality) shaft collars are designed for medical, pharmaceutical, and scientific instruments or precision equipment. The collars feature one-piece construction with radiused outside edges, a 32 RMS finish on all surfaces, and a self-locking clamping screw. Precision balanced for use on high-speed rotating equipment, these instrument quality shaft collars are offered in electropolished stainless steel, steel with a hot black oxide finish, and anodized aluminum. Available in standard sizes from 1/4” to six inches I.D., the collars were developed to provide OEMs and designers of high quality equipment and medical instrumentation with alternatives to conventional shaft collars that are more precise, attractive, and application-specific. Special treatments, such as tapped holes and mounting flats, can be provided. The collars are priced according to material, size, and quantity; with delivery from stock. Literature and quotations are available upon request.