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HB series
Swiveling magnetic chucks, known as knife bars, are available in many sizes and styles The 5 x 10 and
6 x 18 models are provided with brackets only Larger models are supplied with brackets, protractor dial, and worm gear assembly with handwheel. (Ratchet handle optional ) Positive locking at desired angular setting is provided on all models. All Swiveling chucks are balanced for easy rotation through 360° .
Magna-Lock is the foremost supplier of swiveling magnetic chucks for the world's largest builders of knife and face grinders.
The 5” X 10” and 6” X 18” models are provided with brackets only and are intended for lighter grinding and tool room use. These are ideal for resharpening of knives and other angular grinding applications. These smaller models are a laminated type using 1/32” non-magnetic steel separators and 1/8” magnetic steel poles running lengthwise. All other models are supplied with brackets, protractor dial, and an enclosed worm gear box with handwheel (or optional ratchet handle). Means for positive locking at desired angular settings is provided with all models.
The 6” X 32” through 10” X 84” have a square cross section providing greater rigidity for production grinding. These heavy-duty models are well balanced for easy rotation through 360°, and one
full-length T-slot for mechanical clamping is included. Position of T-slot can be at option of customer in either of the adjacent faces at 90° to the magnetic surface. Additional T-slots can be provided at extra cost. These models have a special grid style top plate with the magnetic poles extended to the extreme edge to provide magnetic holding where most needed to eliminate chatter.