CTD S&D Drill Bit Set, 9/16"-1"

CTD S&D Drill Bit Set, 9/16"-1"

The 093870 CTD S&D Drill Bit Set is a premium large-diameter Silver & Deming (S&D) bit set featuring four fractional sizes from 9/16" through 1" for heavy-duty drilling in metal and other tough materials. Built from HI-Molybdenum M7 high speed steel in Norseman’s Black & Gold “Magnum Super Premium” line, these bits are designed for clean starts and strong performance with a 135° split point to reduce walking, plus tri-flat shanks and 1/2" reduced shanks to help prevent slipping in the chuck. Each bit is stamped for easy identification and the set comes in a molded case.

Country of Origin
Made in the U.S.A.

Key Features / Specifications

• Model / Part Number: 093870
• Brand / Line: CTD / Norseman Black & Gold “Magnum Super Premium”
• Product Type: S&D (Silver & Deming) drill bit set
• Sizes Included: 4 fractional sizes — 9/16", 5/8", 3/4", 1"
• Material: HI-Molybdenum M7 High Speed Steel (HSS)
• Point Angle: 135° split point (helps prevent bit walking)
• Shank Style: Tri-flat shank (helps prevent slipping in the chuck)
• Shank Size: 1/2" reduced shanks
• Marking: Each bit stamped
• Case: Molded case
• Manufacturing Note: 100% American made (per provided info)

Ideal For

• Drilling large-diameter holes using 1/2" chuck drills (thanks to reduced shanks)
• Users who need better starting control with a 135° split point
• Applications where chuck slippage is an issue—tri-flat shanks help maintain grip
• Shop, farm, and fabrication work needing premium HSS performance in common big-bit sizes
• Keeping large bits organized and protected in a molded storage case