Premium Rotary Broach Tool Holder
Overall Length: 3.5"
Shank size: 3/4" (.75)
*Broach size: .500" shank x 1.75" length


This holder is suitable for broaching aluminum, brass and mild steel. Designed for making internal hex, square and other shape with a mill or lathe. Eliminates secondary operation.
Sealed bearing requires no greasing.
Made from M-2 High Speed Steel
 
Instructions:
Drill pilot hole a minium 3% larger diameter than flat-to-flat dimension and depth 1.5x the flat-to-flat dimension.
Drill chamfer .005" per side larger than sharp corner dimension.
Feed broach into the hole up to 1x the flat-to-flat diameter with a starting rate of .002-.003 IPR and 700-800 RPM.