Factory Price 43/64″ Taper Shank Drill Bit HSS 3MT Oversized Shank DWDTS43/64-3MT
Original price was: $27.12.$14.10Current price is: $14.10.
For orders under $150.00, a shipping fee of $12.99 applies.
Specs
Quantity: 1 piece
Diameter: 43/64″ (0.6719″)
Shank: 3MT Morse taper with an oversized diameter
Material: High-Speed Steel (HSS)
Features
Oversized shank design improves engagement with large drill chucks, reducing misalignment during heavy drilling operations.
3MT Morse taper shank provides a secure drive and stable hole enlargement without wobble.
HSS construction offers heat resistance for metalworking and versatile use across steel, cast iron, aluminum, and hardwoods.
Large 43/64″ diameter enables efficient through-holes for mounting hardware, fasteners, or conduit pass-throughs in fabrication projects.
Use cases include drilling through-holes for mounting hardware on steel frames, creating conduit passages in electrical installations, enlarging holes in aluminum blocks for hardware fitment, and rapid through-holes in fabrication workflows.
Ideal for machinists, fabricators, electricians, and workshop technicians performing heavy-diameter hole enlargement tasks.
Practical tips — maintain a steady feed rate, use appropriate lubrication for metal drilling, and center-punch to prevent guide walking on hard materials.
Physical
Shank: 3MT taper with oversized diameter
Diameter: 43/64″ (0.6719″)
Material: High-Speed Steel (HSS)
Quantity: 1 PC
Length: Not specified





