PFB punch former not only has the feature as PFA, but specially has the centre through hole for long pin or punch use. PFB1 attachment can be applied to perform angular dressing of wheel.
Technical data: Center height: 80-81mm Clamping diameter in V-slot: 4-30mm Travel of V-block: 25mm Quantity of tooth and accuracy of disk: 24/15° ± 5" Max wheel diameter: 200mm Max radius when dressing arc Convex: R48mm Concave: R100mm Diamond sharpening knife (small diameter)60*50(1/10carat) (lage diameter)100*50(1/4carat) *Except for the handle and graduation scale all matenal is special hard tool steel (SKS-2) heat treated at HRC63 *V block can be disassembled for use separately.
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