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Item # 174514 OfficeMax # 24104372
  • 8% Cobalt for higher heat and abrasion resistance
  • Heavy-duty web construction for strength and durability
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$12.49 $12.49
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Estimated delivery 3-5 business days

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  • 8% Cobalt for higher heat and abrasion resistance 
  • Heavy-duty web construction for strength and durability 
  • 135º split point begins drilling immediately, minimizing bit "walk" 

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Item # 174514 
Manufacturer # 585-63132  
Applicable Materials Hard Steel, Stainless Steel, Titanium
brand name Irwin®
Cutting Diam 1/2 in
Cutting Edge Material HSS-E (Co-M42)
distributor United, Inc.
Finish Gold Oxide
Flute Length 4 1/2 in
Length Group Jobber
Overall Length 3 3/4 in
packaging type Bulk
Point Angle 135°
Point Shape Split
Shank Type Cylinder
Spiral Angle CW
Structure Solid
Type Drill Bit
weight 0.26 lb

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Rated 5 out of 5�by 1 reviewer.
Rated 5 out of 5�by Mr. These cobalt drill bits are the only thing that will drill into hardened bolts and metals. I have tried standard bits on hardened metal before not knowing what grade the metal was. The standard bit dulls almost immediately so I reach for the cobalt bits. They will sink on through the metal with no problem. The only cons are they are more expensive and they will break easily if you put force perpendicular to the bit instead of linear. May 28, 2013
  • 2015-03-26T11:37:37.651-05:00
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