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8 Piece Super Primalloy® 1/2" Shank Cryo-Gen "N"™ Drill Set

8 Piece Super Primalloy® 1/2" Shank Cryo-Gen "N"™ Drill Set

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Item Number: 820486
Package Weight: 7.1 lbs
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Product Details

  • Super Primalloy® CONSTRUCTION - The proven, heavy duty construction of our Super Primalloy® Drills.
  • MULTI-PHASE CRYOGENIC TREATMENT - Patented deep thermal cycle brings drills down to -300°F to alter and refine the molecular grain structure, relieve stress fracturing and increase durability & life.
  • "N" SERIES NITRIDE TREATMENT - Nitride treatment case hardens the cutting surfaces for superior edge retention, faster long-term hole creation and longer service life.
  • SUPER HEAVY DUTY 135° SPLIT POINT - 135° split point geometry eliminates the need for center punching. Allows for easier penetration and increased life in high tensile materials.
  • INDUSTRIAL LENGTH - 6” overall length offers full depth drilling and reach.
  • STABILIZED MOLECULAR STRUCTURE - Cryogenic treatment reduces brittleness and provides extended tool life.
  • HIGH LUBRICITY SURFACE TREATMENT - Ferro gold and black oxide body provides excellent lubricity for increased drill life.
  • MODIFIED FLUTE & WEB - Provides increased strength and durability.
  • SUPER-TOUGH "M" SERIES ALLOY STEEL CONSTRUCTION - Superior tool steel provides exceptional wear resistance and longer life.
  • FLATTED SHANKS - Virtually eliminates slippage in the drill motor and prevents damage to the drill and chuck.
  • MADE IN THE U.S.A.
  • INCLUDES - 9/16" thru 1" by 16ths in a 33 pc. Bench Top Index.

Product Specification

Brand:  Super Primalloy®
Drill Size:  9/16" - 1"
Finish:  Nitride
Index:  33 Pc Bench Top
Material:  M Series Alloy
Measurement Type:  SAE
Number of Pieces:  8
Series:  Cryo-Gen N
Subcategory:  Drill Bits
Tip Style:  135° Split Point

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