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Silver drill bit with reduced shank and surface treated flutes

Drill America

Drill America 1-7/16in HSS 1/2in Reduced Shank Silver and Deming Drill Bit pneumatic accessory

SKU CH-J12G-3JDXF

HSS Silver and Deming drill bit with 1/2in reduced shank for 1-7/16in holes

  • Product typeDrill Accessories
  • 1-7/16 inch drilling capacity backed by high-speed steel construction
  • 1/2 inch reduced shank fits standard chucks for broad compatibility
  • Surface-treated flutes improve chip evacuation during deep-hole work
  • 4375 decimal equivalent simplifies precise hole-size planning

1-7/16in HSS Silver and Deming Bit

The Drill America 1-7/16in HSS drill bit features a 1/2in reduced shank and surface-treated flutes for efficient chip removal. It suits machinists and fabricators drilling large-diameter holes in steel and other ferrous materials using a standard drill press or heavy-duty handheld drill.

Upgrade from smaller twist drills

This bit replaces the need to step-drill through multiple pilot sizes when a finished hole of 1.4375in is required. The jump is worth it when hole accuracy and reduced cycle time outweigh the higher torque demand of a single large cut.

How it compares

Measured against everything we stock in Bits, Hole Saws & Accessory Kits, at today’s prices. Recalculated every night.

Price $53.99
Pricier than about 69% of the 5,493 comparable items (median $27.99).

Specifications

Product
Brand nameDrill America
Product typeDrill Accessories

Questions about this item

Will the 1/2in reduced shank fit my drill chuck?

The 1/2in reduced shank is designed for chucks that accept a 1/2in diameter shank; verify your chuck capacity before use.

What is the correct way to secure this bit to avoid slippage?

Tighten the chuck evenly on the reduced shank flats, not just the round body, to prevent the bit from spinning under load.

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