HSS & Cobalt Chatterless Countersink Sets

Brand:   SPI Swiss Precision Instruments
ID:
322321
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HSS & Cobalt Chatterless Countersink Sets

  • Use with portable drills and drill presses on ferrous and non-ferrous materials
  • Complete with wooden storage block


HSS - High Speed Steel

  • Provides good wear resistance in mild steel and nonferrous materials
HSS - High Speed Steel
Part Number Degree Number of Pieces Size Range
70-757-0 60° 8 1/4, 5/16, 3/8, 1/2, 5/8, 3/4, 7/8, 1"
70-760-4 82° 8
70-763-8 90° 8
 
70-758-8 60° 10 1/4, 5/16, 3/8, 1/2, 5/8, 3/4, 7/8, 1, 1-1/4, 1-1/2"
70-761-2 82° 10
70-764-6 90° 10
 
70-759-6 60° 10 3/16, 1/4, 5/16, 3/8, 1/2, 5/8, 3/4, 7/8, 1, 1-1/4"
70-762-0 82° 10
70-765-3 90° 10



M-42 Cobalt

  • Provides better wear resistance in harness and toughness compared to HSS.
  • Use in high-tensile alloys, titanium, cast iron, Inconel and high nickel stainless steel.
M-42 Cobalt
Part Number Degree Number of Pieces Size Range
70-766-1 60° 8 1/4, 5/16, 3/8, 1/2, 5/8, 3/4, 7/8, 1"
70-768-7 82° 8
70-770-3 90° 8
 
70-767-9 60° 10 3/16, 1/4, 5/16, 3/8, 1/2, 5/8, 3/4, 7/8, 1, 1-1/4"
70-769-5 82° 10
70-771-1 90° 10
HSS & Cobalt Chatterless Countersink Sets

HSS & Cobalt Chatterless Countersink Sets

HSS & Cobalt Chatterless Countersink Sets