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Mibro 17 pc. Cobalt Steel Drill Bit Set, 492470

SKU: 390324999
Mibro 17 pc. Cobalt Steel Drill Bit Set, 492470
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Product Rating is 3.5
3.5
 (2)

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Designed to make precise holes in hard metals such as stainless steel this precision ground drill is made with cobalt high speed steel to withstand the heat and pressure of drilling into hard materials

  • 1/16 (x2), 5/64, 3/32, 7/64, 1/8 (x2), 9/64, 5/32, 11/64, 3/16, 13/64, 7/32, 15/64, 1/4, 5/16, 3/8 in.
  • Use on wood, wood composites, plastics and all metals including hard metals such as stainless steel
  • Made with M35 High Speed Steel containing 5% cobalt for superior heat resistance
  • Fully ground manufacturing ensures straighter more precise holes
  • Drill body features a tapered core for increased strength
  • 135° split point tip on all drills 1/8 in. diameter and larger eliminates the need for a center punch and keeps the drill bit from walking
  • 3 flats on drill shanks larger than 3/16 in. insure that it is held tightly in the drill chuck

Specification Description
Additional Item(s) Included: None
Brand: Mibro
Product Width: 9 in.
Product Weight: 1
Package Quantity: 17
CountryofOrigin: Imported
Housing Material: Steel
Product Length: 8-3/4 in.
Number of Items Included: 17
Product Length: 8.75
Shank Diameter: Various
Part Number: 492470
Product Height: 1.25
Minimum Chuck Size: 3/8 in.
Product Width: 9
Bit Diameter: Various
Application/Use: Use on wood, wood composites, plastics and all metals including hard metals such as stainless steel
Manufacturer Part Number 492470
Mibro 17 pc. Cobalt Steel Drill Bit Set, 492470 is rated 3.5 out of 5 by 2.
Rated 2 out of 5 by from Not worth the money I got this set to try and drill out some broke bolts on a few projects i had piling up. Not a single bit would even throw a shaving unless i started hitting the aluminum casing. I figured maybe these are just some crazy hard 1/4" bolts so i tried drilling through a scrap piece of angle that i had and got the same result. Not drilling. Yes i was keeping the bits cool. Only reason for 2 stars and not 1 is that i like the case.
Date published: 2018-02-10
Rated 5 out of 5 by from Best bit ever They cut stainless steel like its aluminum . Best bits I have ever used.
Date published: 2017-06-24
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