-40%
Rotary Broach / Wobble Broach Tool Holder 3/4" shank for 1/2" shank broaches
$ 105.07
- Description
- Size Guide
Description
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.