CTD S&D Magnum Drill Bit, 7/8", Shank: 1/2" 3-Flatted

CTD S&D Magnum Drill Bit, 7/8", Shank: 1/2" 3-Flatted

The 093640 CTD S&D Magnum Drill Bit is a heavy-duty reduced-shank twist drill built for large-hole drilling with better chuck compatibility, featuring a 7/8" cutting diameter with a 1/2" 3-flatted shank for improved grip and reduced slippage. Made from special Hi-Molybdenum tool steel (HSS) with a 135° split point, it’s designed for strong starting accuracy and performance in work-hardening stainless steels and other tough metals, with a gold surface treatment to enhance lubricity.

Country of Origin
Varies by production batch

Key Features / Specifications

• Model / Part Number: 093640
• Brand / Series: CTD Magnum
• Product Type: Reduced shank (S&D) twist drill bit
• Drill Diameter: 7/8"
• Shank: 1/2" 3-flatted
• Point Angle: 135° split point
• Material: High speed steel (Hi-Molybdenum tool steel)
• Construction: One-piece solid construction
• Surface Treatment: Gold treated body/clearance for maximum lubricity
• Recommended Use: Work-hardening grades of stainless steel and other hard metal drilling applications
• Drill Style: Twist drill

Ideal For

• Drilling 7/8" holes while using a 1/2" chuck
• Tough materials like stainless steel and other hard metals
• Shop and fabrication work needing a reduced-shank large-diameter drill
• Users wanting a split point for improved starts and reduced walking
• Applications where improved grip from a 3-flatted shank helps prevent slippage