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M.A. Ford Twister Micro-Tuff drill bit 0.89 mm silver finish

M.A. Ford

M.A. Ford Twister Micro-Tuff Drill 0.89 mm 305M0089

SKU CH-HMF3-BC5WP

Micro-Tuff drill bit cuts 0.89 mm holes in hard materials with precision

  • 89 mm diameter for precise micro-drilling
  • Twister Micro-Tuff design for small-hole performance
  • M.A. Ford manufacturing for professional-grade quality
  • New condition ensures full factory specifications
  • California Proposition 65 compliance disclosure included

Micro-Tuff Drill for Precision Holes

The M.A. Ford Twister Micro-Tuff Drill 0.89 mm is a new power-tool accessory built for drilling very small holes in metal and other materials. It suits machinists, maintenance technicians and hobbyists who need repeatable accuracy at sub-millimetre diameters.

Check Shank Fit and Material Compatibility

Verify that your drill press, rotary tool or CNC spindle accepts the shank style of this bit before ordering. Confirm the workpiece material is within the cutting capability of the Micro-Tuff geometry and that coolant or lubrication can be supplied if the application demands it.

Replaces Worn or Larger Micro Drills

This bit replaces dull micro drills of the same diameter or steps down from larger pilot drills when a 0.89 mm hole is the final requirement. The upgrade is worth it when the previous tool leaves rough walls, wanders on entry or fails to hold tolerance in tough alloys.

How it compares

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

Price $13.99
Cheaper than about 80% of the 5,493 comparable items (median $27.99).

Specifications

Product
Brand nameM.A. FORD

Questions about this item

What is included with the M.A. Ford Twister Micro-Tuff Drill 0.89 mm and what must I purchase separately?

The package contains the 0.89 mm Twister Micro-Tuff drill bit itself. A compatible drill motor, collet or chuck, cutting fluid and personal protective equipment are not included and must be sourced separately.

How do I decide whether the 0.89 mm size is the right choice for my application?

Select the 0.89 mm variant when your design calls for a hole diameter of 0.89 mm in materials such as hardened steel, stainless steel or high-temperature alloys where the Micro-Tuff geometry is rated.

What does the 0.89 mm diameter mean for real-world drilling performance?

The 0.89 mm diameter produces a precise micro-hole suitable for pilot holes, wire-passage drilling or small fastener clearance in tough alloys when used at recommended speeds and feeds.

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