Drill America
Drill America D/A3F39/64 39/64" HSS reduced-shank Silver & Deming drill bit pneumatic accessory
A 39/64-inch HSS Silver & Deming drill bit with a 1/2-inch reduced shank and three-flatted surface-treated flutes
- TypeDrill Accessories
- 39/64 inch HSS bit drills large holes cleanly
- 1/2 inch reduced shank fits standard chucks securely
- Three-flatted shank prevents slipping under high torque
- Silver & Deming design reaches deep into workpieces
39/64" HSS Silver & Deming Drill Bit
This Drill America bit is a high-speed steel cutting tool with a reduced 1/2 inch shank. It features three-flatted shanks and surface-treated flutes for secure chuck grip and chip evacuation. The decimal equivalent is .6094 with a flute length of 3 and overall length of 6.
Suits large-diameter drilling in metal
This bit suits machinists and maintenance technicians enlarging existing holes to 39/64 inch in steel or cast iron. The reduced shank fits standard 1/2 inch drill chucks without a special holder. Buyers needing smaller step sizes, metric diameters, or cobalt substrate for high-heat alloys should look at something else.
Highlights
- 39/64 inch HSS bit drills large holes cleanly
- 1/2 inch reduced shank fits standard chucks securely
- Three-flatted shank prevents slipping under high torque
- Silver & Deming design reaches deep into workpieces
Specifications
| Brand | Drill America |
|---|---|
| Model | D/A3F39/64 |
| Type | Drill Accessories |
Questions about this item
Will this 39/64" drill bit fit my 1/2" chuck?
Yes, the reduced shank is sized for a 1/2" chuck so the bit mounts directly without an adapter.
Can I use this Silver & Deming bit in a handheld drill?
The 3-flatted shank prevents slipping in a standard 1/2" drill chuck, making it suitable for handheld use.
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