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HOLE SAWS.

M42 Bi-Metal Hole Saws

Norske® Industrial grade M42 Bi-Metal Holes are specially constructed with 8% cobalt for increased wear resistance and added tooth strength. Guaranteed to outperform, outlast and outclass the competition.

  • Bi-metal construction with 8% cobalt for increased wear resistance
  • Enhanced 4/6 variable tooth geometry provides fast, clean cuts and easy chip removal
  • Deep cut body allows for 1-7/8” cutting depth
  • Thick, hardened backing plate prevents mandrel run out
Item Diameter UPC
NBHSI503 7/8″ 628204615037
NBHSI505 1″ 628204615051
NBHSI508 1 1/8″ 628204615082
NBHSI511 1 1/4″ 628204615112
NBHSI514 1 3/8″ 628204615143
NBHSI517 1 1/2″ 628204615174
NBHSI520 1 3/4″ 628204615204
NBHSI523 1 7/8″ 628204615235
NBHSI526 2″ 628204615266
NBHSI529 2 1/8″ 628204615297
NBHSI520 1 3/4″ 628204615204
NBHSI535 2 3/8″ 628204615358
NBHSI538 2 1/2″ 628204615389
NBHSI541 2 3/4″ 628204615419
NBHSI544 3″ 628204615440
NBHSI547 3 1/8″ 628204615471
NBHSI550 3 1/4″ 628204615501
NBHSI553 3 1/2″ 628204615532
NBHSI556 3 5/8″ 628204615563
NBHSI559 3 3/4″ 628204615594
NBHSI565 4″ 628204615655
NBHSI568 4 1/8″ 628204615686
NBHSI571 4 1/4″ 628204615716
NBHSI574 4 1/2″ 628204615747
NBHSI577 5″ 628204615778
NBHSI579 5 1/2″ 628204615792
NBHSI580 6″ 628204615808
NBHSI581 6 1/4″ 628204615815
NBHSI584 6 5/8″ 628204615846

Mandrels

Our Industrial Grade Mandrels are the perfect fit for all Norske® M42 Bi-Metal Hole Saws. Ideal for professional contractors.

  • 1/4″Hex Shank
  • Quick change mandrels feature double set screws with a recessed combination head
  • Spring-loaded POZI-LOCK™ mandrels feature collars that automatically engage drive pins
  • Complete with fully heat treated 1/4” – 135 Degree Split Point Pilot Drill Bit to provide faster material penetration
Item Description UPC
NBHSI588 7-7/8″ 628204615884
NBHSI650 Adapter 628204616508
NBHSI652 Extension Bar 628204616522
NBHSI654 Replacement Drill Bit (Short) 628204616546
NBHSI656 1/4″ Hex Shank Mandrel 628204616560
NBHSI658 3/8″ Hex Shank Mandrel 628204616584
NBHSI660 3/8″ Spring-loaded Mandrel 628204616607
NBHSI662 7/16″ Spring-loaded Mandrel 628204616621

13 PC M3 Bi-Metal Hole Saw Kit

  • M3 Professional grade, Bi-Metal Hole Saws cut everything from wood and plastics to aluminum, steel, cast iron and stainless steel
  • 4/6 TPI configuration allows for easy chip removal and faster, cleaner cuts extra deep body allows for increased cutting depth
  • 3/16 Heavy Duty backing plate adds strength & stability and prevents mandrel run-out
  • Set Includes: 3/4”, 7/8”, 1”, 1-1/8”, 1-3/8”, 1-1/2”, 1-3/4”, 2”, 2-1/8”, 2-1/2”, 3” hole saws + 3/8” Quick Change Mandrel & 1/4” Hex Shank Mandrel
Item Description UPC
NBHSP490 13 PC M3 Bi-Metal Hole Saw Kit 628204614900

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