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12 Pcs. Precision Twist Drill No. 21 (0.1590") R18CO Heavy Duty M42-8% Cobalt Jobber Drills

12 Pcs. Precision Twist Drill No. 21 (0.1590") R18CO Heavy Duty M42-8% Cobalt Jobber Drills

Your Price: $38.40
In Stock.
Part Number:PTD-018321
12 Pcs. Precision Twist Drill Brand New List R18CO No. 21 (0.1590") Heavy Duty M42-8% Cobalt Jobber Length Drills
    Features:
  • Jobber Drill
  • Type J
  • Heavy-Duty
  • M42-8% Cobalt

Manufactured to National Aerospace Standard 907. Made of heat resistant cobalt, they display higher red hardness which permits speeds up to 30% greater than high speed steel drills and are especially effective in drilling tough, high tensile strength materials like PH stainless steel, inconel, and titanium. The 135 Deg. split point is self-centering and reduce thrust. Ideal for portable or machine drilling.


d1
Inch
d1 (dec.)
Inch
l2
Inch
l1
Inch
Package
Qty.
EDP#
No. 21 0.1590 2.1/8 6 12 018321

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