Polygon Solutions Inc. : Modern Machine Shop

Polygon Solutions Inc. : Modern Machine Shop

Basic Rotary Broach Tool Holder

Basic Rotary Broach Tool Holder

For use with 1/2" Rotary Broach Tools
Broach Holder Features:
Accepts .500" (1/2") Diameter x 1.75" Rotary Broaches
Sealed Bearings Require No Routine Maintenance

Adjustment Free Design Minimizes Set-Up Time

This item is a Basic Rotary Broach Tool Holder made in the USA by Polygon Solutions Inc. It has a .750" shank and uses .500" shank x 1.75" length rotary broach cutters. This basic tool holder is designed for low volume and prototype broaching projects. The sealed bearing requires no greasing. The holder can be used for making internal hex, square and other polygon shape holes in your lathe, mill or other turning machine and eliminates secondary operations. Ideal materials for broaching are aluminum, brass and mild steel, sizes are typically 3/8" or less.

Instructions:

Drill pilot hole 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.

Learn more about the Basic Rotary Broach Tool Holder

*Does Not Include Rotary Broach as shown in photo.