HHIP 7-1/2″ 3K Revolving Head Knurling Tool With 3 Sets of Knurls ~ Black oxide finish. ~ Self centering. ~ Knurls are hob cut from high speed steel and heat treated. ~ Includes 3 sets of diamond pattern knurls- one pair each of Fine, Medium and Coarse pitch. ~ Knurl dimensions are 3/4 Diameter X 3/8 Thickness X 1/4″ Hole. ~ Holder size is 5/8 Width X 1-3/8 Height X 7-1/2″ Length. Black oxide finish. Self centering. Knurls are hob cut from high speed steel and heat treated. Includes 3 sets of diamond pattern knurls- one pair each of Fine, Medium and Coarse pitch.
