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Thirteen gold cobalt drill bits in hinged metal case

IVY Classic Industries, Inc.

IVY Classic Industries, Inc. 04190 13-Piece Cobalt Steel Drill Bit Set

SKU CH-TZ7X-32BZD

13-piece cobalt steel drill bit set withstands heat and abrasion in hard metals with 135-degree split points for fast, accurate starts in a hinged metal index case

  • 13 cobalt steel bits withstand heat and abrasion in hard metals
  • 135° split point enables fast penetration and accurate self-centering
  • Gold finish resists wear while retaining hardness at high temperatures
  • Sturdy hinged metal case keeps bits organised with sizes marked
  • Covers 1/16" to 1/4" by 64ths for stainless, steel, wood and plastic

13-Piece Cobalt Steel Drill Bit Set

The 13-piece cobalt steel drill bit set covers fractional sizes from 1/16 inch through 1/4 inch in 64th increments. It is designed for drilling stainless steel, hard steels, wood and plastic. The 135-degree split point provides fast penetration and accurate self-centering. The cobalt construction retains hardness at elevated temperatures.

Installation and common issues

Bits install directly into any standard drill chuck that accepts the shank diameter. The precision-ground flutes and gold finish reduce friction, but cobalt steel is more brittle than high-speed steel. Excessive side pressure or high RPM without coolant can cause premature breakage in hard metals. The hinged metal index case keeps bits organised and visible during job changes.

Check your setup before ordering

Verify that your drill chuck capacity accommodates the 1/4-inch maximum shank size included in the set. Confirm the materials you intend to drill match the rated capability for stainless steel, hard steels, wood and plastic. Ensure you have cutting fluid or lubricant available for metal applications to maintain bit life and performance.

How it compares

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

Price $17.99
Cheaper than about 68% of the 5,493 comparable items (median $27.99).

Specifications

No published specifications for this item yet.

Questions about this item

How can I verify the 135 split point is centering correctly after I start drilling?

The 135 split point should bite instantly without wandering; a clean, centred hole in stainless or hard steel confirms it is working as intended.

Does the set include the metal case shown in the pictures or must I buy a case separately?

The 13-piece set ships in a sturdy hinged metal index case with sizes marked on the case; no separate case purchase is needed.

Which version of the 04190 should I choose if I need the full 1/16" to 1/4" range?

The 04190 model supplies the complete 1/16" through 1/4" by 64ths range in one 13-piece set; there are no alternative capacities to select.

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