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Set of 20 cobalt drill bits, 0.8 mm diameter, 30 mm total length, straight shank, metal finish

Gtziqa 1/32" Cobalt Drill Bit Set 20 Pcs 0.8 mm 30 mm pneumatic accessory

SKU CH-29ZK-F8525

Set of twenty 1/32-inch cobalt drill bits with 0.8 mm diameter and 30 mm overall length for hard metal, wood and plastic

  • Product typeCircuit Board Drill Bits
  • Main materialSteel
  • Sold asSet
  • Key featuresMetal, Wood, Plastic
  • Number of items20, 1/32 in Cobalt Drill Bit Set
  • 20 identical bits keep a workshop stocked for repeated 0.8 mm jobs
  • M35 cobalt steel resists heat and wear when drilling hardened metals
  • 30 mm overall length with 10 mm flute reaches tight spaces in circuit boards
  • Straight shank delivers full torque from any standard electric drill
  • Polished cutting edges and optimised helix clear chips fast in metal, wood or plastic

1/32" Cobalt Drill Bit Set

This 20-piece set supplies identical 1/32 inch cobalt drill bits built from M35 high-speed steel. Each bit measures 30 mm overall with a 10 mm flute and a 0.8 mm straight shank that fits most electric drills. The uniform diameter simplifies bit changes during repetitive tasks.

Suited For Precision Drilling

The bits target hardened metals such as carbon steel and alloy steel while also handling wood, plastic and composite materials. Jobber-length geometry and polished flutes promote fast chip evacuation. Buyers needing a range of diameters or larger hole sizes should look elsewhere.

0.8 mm Shank Diameter

Every bit in the kit shares a 0.8 mm straight shank that determines chuck compatibility. Verify your drill accepts this shank size before purchase. The 20-count pack provides ample replacements for high-volume work.

How it compares

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

Price $11.99
Cheaper than about 84% of the 5,493 comparable items (median $27.99).

Specifications

Product
Brand nameGtziqa
Model name685282 1 OHd8bLw2
Part number685282 1 iDo63GJy
Product typeCircuit Board Drill Bits
Size & build
Main materialSteel
In the box
Number of items20, 1/32 in Cobalt Drill Bit Set

Questions about this item

What chuck size do I need to hold the 0.8 mm straight shank on these bits?

A chuck that closes fully to 0.8 mm will grip the straight shank; most standard drill chucks accept it.

Will the 30 mm overall length and 10 mm flute reach through the material I keep on my bench?

The 30 mm total length and 10 mm flute depth suit thin sheet, circuit boards and shallow holes in metal, wood or plastic.

How can I confirm the cobalt bits are cutting correctly after I start drilling?

Expect steady chip evacuation, minimal heat buildup and clean 0.8 mm holes in hardened metal, wood or composite without binding.

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