duMONT Minute Man Production Keyway Broach, Body Dia. 3/16″ – 55520

• Designed to cut keyway in one pass for maximum production
• Push-Type Keyway.
• Broaches are self supporting, no shims or bushing required.
• High speed operation.
• Accurate long run production.
• Designed for large production runs of identical keyways with identical bores
• Use in either hydraulic or hand operated presses.
• Pressure Required for Max. L/C Based on Mild Steel: 390
• High Speed Steel
• Bright Finish
• Hardness: 58 to 60 RC
• Made in the U.S.A.

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