Retention Knobs

Manufactured to the Industry Standards or machine builders specifications.

Note:

It is critical that the correct retention knob is used with each machining center. Please verify all dimensions prior to ordering. Machine specifications will be located in your machine manual.

Knob Drawing
Knob Drawing
Shank Part Number A D1 D2 D3 L1 L2 L3 L4 H F T Socket O-Ring OD O-Ring ID Notes
CAT40 HPS-D72 45 0.74 0.49 0.641 1.624 0.64 0.44 0.118 0.291 0.75 5/8/2011 TWS-075 Y ANSI B5.50
CAT40 HPS-B64-1 45 0.74 0.49 0.641 1.624 0.64 0.44 0.118 0.157 0.75 5/8/2011 TWS-075 Y ANSI B5.50
CAT40 HPS-072C 45 0.591 0.394 0.641 2.25 1.266 0.99 0.118 0.157 19 5/8/2011 TWS-M19 Y MAS P40T-1
CAT40 HPS-072 45 0.591 0.394 0.641 2.25 1.266 0.99 0.236 - 19 5/8/2011 TWS-M19 MAS P40T-1
CAT40 HPS-026C 60 0.591 0.394 0.641 2.252 1.268 0.992 0.236 0.157 19 5/8/2011 TWS-M19 Y MAS P40T-2
CAT40 HPS-026 60 0.591 0.394 0.641 2.252 1.268 0.992 0.236 - 19 5/8/2011 TWS-M19 MAS P40T-2
CAT40 HPS-C40-MORI-CO 75 0.748 0.551 0.641 2.014 1.03 0.793 0.236 0.276 0.75 5/8/2011 TWS-M19 Y Y Mori Double O-ring model with 30 degree taper seal in ID.
CAT40 HPS-C40-MAKINO-C 75 0.748 0.551 1.9 1.03 0.793 0.276 0.236 19 5/8/2011 TWS-M19 Y JIS B6339 MODIFIED - 0.15MM LONGER ON PULL SIDE
CAT40 HPS-C40-DIN-C 75 0.748 0.551 0.641 2.01 1.024 0.787 0.157 0.276 19 5/8/2011 TWS-M19 Y DIN 69872
CAT40 HPS-806U-2 75 0.748 0.551 0.641 2 1.024 0.787 0.157 0.236 19 5/8/2011 TWS-M19 Y MATSUURA
CAT40 HPS-806U-1 75 0.748 0.551 0.641 2 1.024 0.787 0.276 0.236 19 5/8/2011 TWS-M19 Y JIS B6339
CAT40 HPS-O14-C 90 0.591 0.394 0.641 2.244 1.26 0.984 0.236 0.157 17 5/8/2011 TWS-M17 Y MAS P40T-3
CAT40 HPS-C40-MAS-90-C 90 0.591 0.394 0.641 2.244 1.26 0.984 0.236 0.157 17 5/8/2011 TWS-M17 Y MAS P40T-3
CAT40 HPS-C40-MAS-90 90 0.591 0.394 - 2.244 1.26 0.984 0.236 - 17 5/8/2011 TWS-M17 MAS P40T-3 MORI