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Back Countersink Cutters

C-4020 Series Back Countersink Cutters  Made in USA

  • Use in restricted areas where direct countersinking is not possible. 
  • Four flute
  • 100 degree
  • Back Countersink only.   Use with Spenro C-4040 Series Pilots ( purchased separately)
Quantity Product Options Price
C-4020A, 1/4" Diameter, 1/8" Pilot Hole $12.65
C-4020B, 1/4" Diameter, 3/32" Pilot Hole $12.65
C-4020C, 5/16" Diameter, 1/8" Pilot Hole $12.75
C-4020D, 5/16" Diameter, 5/32" Pilot Hole $12.75
C-4020E, 3/8" Diameter, 3/16" Pilot Hole $13.85
C-4020F, 3/8" Diameter, 5/32" Pilot Hole $13.85
C-4020G, 7/16" Diameter, 3/16" Pilot Hole $13.95
C-4020H, 7/16" Diameter, 5/32" Pilot Hole $13.95
C-4020I, 1/2" Diameter, 3/16" Pilot Hole $14.95
C-4020J, 1/2" Diameter, 1/4" Pilot Hole $14.95
C-4020K, 9/16" Diameter, 3/16" Pilot Hole $15.45
C-4020L, 9/16" Diameter, 1/4" Pilot Hole $15.45
C-4020M, 5/8" Diameter, 1/4" Pilot Hole $16.80
C-4020N, 5/8" Diameter, 5/16" Pilot Hole $16.80
C-4020O, 11/16" Diameter, 1/4" Pilot Hole $16.95
C-4020P, 11/16" Diameter, 5/16" Pilot Hole $16.95
C-4020Q, 3/4" Diameter, 1/4" Pilot Hole $18.45
C-4020R, 3/4" Diameter, 5/16" Pilot Hole $18.45
C-4020S, 7/8" Diameter, 5/16" Pilot Hole $19.45
C-4020T, 7/8" Diameter, 3/8" Pilot Hole $19.45
C-4020U, 1" Diameter, 5/16" Pilot Hole $21.75
C-4020V, 1" Diameter, 3/8" Pilot Hole $21.75
C-4020W, 1-1/4" Diameter, 3/8" Pilot Hole $24.85
C-4020X, 1-1/4" Diameter, 1/2" Pilot Hole $24.85