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Small silver twist drill bit with fluted shaft and pointed tip

M.A. Ford

M.A. Ford Twister Micro-Tuff Drill No 63 part 30503700AM

SKU CH-KA8R-7VNW1

Twister Micro-Tuff Drill No 63 is designed for precision drilling tasks in power tool applications

  • Micro-Tuff design for precision drilling
  • Twister geometry improves chip evacuation
  • No 63 size for specific applications
  • Part 30503700AM ensures exact replacement
  • M.A. Ford brand trusted by professionals

Drill No 63 for micro holes

The M.A. Ford Twister Micro-Tuff Drill No 63 is a precision cutting tool built for very small diameter drilling. It targets machinists and maintenance technicians who need accurate holes in metals and alloys. The solid carbide construction supports high speed and feed rates in production environments. This item ships new from the manufacturer.

Practical limits of micro drilling

Micro drills are sensitive to runout and require rigid spindle holding to avoid breakage. Chip evacuation becomes difficult at small diameters, so peck cycles and proper coolant are essential. Workpiece material hardness and machine rigidity set the effective speed and feed ceiling. The tool is not suited for deep holes beyond its flute length.

Installation and common issues

The drill fits standard collets or chucks sized for its shank; ensure the holder is clean and runout is minimal. Common failures include chipping from excessive feed, snapping from deflection, and premature wear from insufficient coolant. Inspect the point geometry before each use and replace at the first sign of damage.

How it compares

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

Price $18.99
Cheaper than about 66% of the 5,493 comparable items (median $27.99).

Specifications

Product
Brand nameM.A. FORD

Questions about this item

What does the No 63 designation mean for this drill?

No 63 indicates the specific size in the Twister Micro-Tuff range; it is the only size offered under part 30503700AM.

How does the drill perform when fitted to a standard power tool?

The Twister Micro-Tuff design is built for precision drilling in a power or pneumatic tool, delivering clean holes at the No 63 size.

Which shank interface does the 30503700AM use and what does it limit?

It uses a standard round shank that fits common drill chucks, limiting use to tools that accept that shank type.

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