KNOBS, BALLS AND PALLETS
CLAMPING KNOBS Can be attached to fixtures or directly to workpieces. Our standard knobs can be mounted in a blind hole from the bottom or pulled up from the top. Standard clamping knobs accept the following: OPTION 1: PASS-THROUGH BOLT – The bolt is inserted past the clamping knob and threads into the workpiece or fixture. OPTION 2: CAPTIVE SET SCREW – The set screw is captivated between the knob and the workpiece or fixture. OPTION 3: RETAIN FROM TOP – The bolt passes through the workpiece or fixture and pulls the knob into position.
OPTION 1: PASS-THROUGH BOLT
OPTION 2: CAPTIVE SET SCREW
OPTION 3: RETAIN FROM TOP
Option 2 not recommended for B Type. ! CAUTION
Standard clamping knobs have a metric positioning boss which is Ø25mm and ground to a fit of h6. This boss is 5mm tall. The overall measurements of the clamping knob is Ø40mm by 40mm tall.
The SBA Knob is ground to fit with the center ground taper of the chuck. This fit establishes centerline location. This location will repeat to better than +/-.0002" (.005mm).
The SBB Knob is ground like a diamond pin and orients your work relative to the centerline of the SBA Knob.
The SBC Knob is ground undersize. It will bring the bottom of the workpiece or fixture down on the top of the UNILOCK chuck.
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