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Home Irwin Industrial Tool Index Cobalt M-35 Metal Index & Fractional Drill Bit Sets


Irwin Cobalt Fractional Drill Bit Sets

Cobalt M-35 Metal Index Drill Bit Set

29 piece cobalt fractional drill bit set
29 Piece Cobalt M-35 Metal Index Drill Bit Set
3018002 $105.75

FEATURES
  • Cobalt steel extends cutting edge life and maintains cutting life after resharpening
  • Extra hard drill for greater wear
  • 135 split point tip starts on contact, cuts with less force
  • Reduced shank above 3/8" allows the use of larger drill bits in a 3/8" chuck
  • Rubber overmolded case protects kit if dropped
  • Tap & Drill selection chart for convenient reference.
  • Automatic indexing for easy bit access and identification
  • Removable cartridges: easy to carry bits from case to worksite
  • Sizes include 1/16" to 1/2" in 1/64" increments
 
Contents of 29 Piece Set (and decimal equivalents):
1/16 .0625 -- 3/16 .1875 -- 19/64 .2969 -- 13/32 .4063
5/64 .0781 -- 13/64 .2031 -- 5/16 .3125 -- 27/64 .4219
3/32 .0938 -- 7/32 .2188 -- 21/64 .3281 -- 7/16 .4375
7/64 .1094 -- 15/64 .2344 -- 11/32 .3438 -- 29/64 .4531
1/8 .1250 -- 1/4 .2500 -- 23/64 .3594 -- 15/32 .4688
9/64 .1406 -- 17/64 .2656 -- 3/8 .3750 -- 31/64 .4844
5/32 .1563 -- 9/32 .2813 -- 25/64 .3906 -- 1/2 .5000
11/64 .1719 -- -- -- -- -- -- -- -- --

 

15 Piece Cobalt Fractional Drill Bit Set (1/16" - 1/2")
63137 $63.75

FEATURES
  • 5% Cobalt for much higher hot hardness and abrasion resistance
  • Straight shank
  • Jobbers length
  • 15 Drills: 1/16 to 1/2 by 32nds.
  • Recommended for drilling hardened steel, super alloys, titanium and stainless steel
  • 135° split point begins drilling immediately, minimizing "bit walk"
  • Heavy-duty web construction for strength and durability
  • Metal case
 
Contents of 15 Piece Set (and decimal equivalents):
1/16 .0625 -- 3/16 .1875 -- 5/16 .3125 -- 7/16 .4375
3/32 .0938 -- 7/32 .2188 -- 11/32 .3438 -- 15/32 .4688
1/8 .1250 -- 1/4 .2500 -- 3/8 .3750 -- 1/2 .5000
5/32 .1563 -- 9/32 .2813 -- 13/32 .4063 -- -- --

 

21Pc Cobalt Fractional Drill Bit Set (1/16 - 3/8)
63221 $65.00

FEATURES
  • 5% Cobalt for much higher hot hardness and abrasion resistance
  • Straight shank
  • Jobbers length
  • 21 Drills: 1/16 to 3/8 by 64ths.
  • Recommended for drilling hardened steel, super alloys, titanium and stainless steel
  • 135° split point begins drilling immediately, minimizing "bit walk"
  • Heavy-duty web construction for strength and durability
  • Metal case
 
Contents of 21 piece set (and decimal equivalents):
1/16 .0625 -- 5/32 .1563 -- 15/64 .2344 -- 5/16 .3125
5/64 .0781 -- 11/64 .1719 -- 1/4 .2500 -- 21/64 .3281
3/32 .0938 -- 3/16 .1875 -- 17/64 .2656 -- 11/32 .3438
7/64 .1094 -- 13/64 .2031 -- 9/32 .2813 -- 23/64 .3594
1/8 .1250 -- 7/32 .2188 -- 19/64 .2969 -- 3/8 .3750
9/64 .1406 -- -- -- -- -- -- -- -- --

Back to Irwin Drill Set Index

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