duMONT Minute Man 20mm F-1, HSS Keyway Broach, 1″ x 20-1/4″, .7864-.7884″ Tolerance – 44413

• HSS: High Speed Steel.
• Specialty tools designed for cutting keyways in machined holes.
• Typically used manually with an arbor press or hydraulic press to produce the keyways.
• Well suited for use in a variety of ferrous and non-ferrous materials.
• Hardened and ground bars with cutting teeth on one side.
• Sized and proportioned to afford a good cutting range and ample rigidity.
• Manufactured from high speed steel.
• Broach is tapered, allowing teeth to cut keyway to proper depth.
• Made to cut either inch or millimeter size keyways.
• Material Range: Steel, Non-Ferrous, Cast Iron, Plastics.
• Hardness: 58 to 60 RC.
• Bright finish.
• Made in the U.S.A.
• Shims Required: 3

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