Retention Knobs: Standard V Flange Retention Knobs Per ANSI/ASMF B5.50

• SPI Retention Knobs are made in U.S.A. to exact manufacturing standards.
• Standard V Flange per ANSI/ASFM B5.50 offered as listed below.
• Modified standard Retention Knobs per ISO or DIN and most of the popular manufacturers special knobs are also readily available. However, since certain manufacturers use a variety of modified knobs for their different machine models, these Retention Knobs need to be identified first by our technical staff. We suggest you submit the following information with your inquiry or purchase order:

• Machine Builder and Machine Model.
• Type of flange: ANSI-V, BT, ISO, DIN
• Size of taper: 30, 35, 40, 45, 50
• Critical dimensions: D, N, P, S and thread
• Type I-45, II-60, III-90, per sketch