Fuller Type "K" Countersinks

Fuller Type "K" Countersinks

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Type "K" four-flute countersinks are 3-inches in overall length and designed for deep hole countersinking.. The cutting edges has an 82 degree angle for cutting both wood and plastic. The "K" designation in the item number indicates it is heat treated carbon steel. The "KS" in the item number means the material is stainless steel and is used for cutting hardwoods. The 3-inch overall length helps protect the center drill bit from breakage. Legend below explains sizing. Select your item(s) then click Add to Cart.


Legend (in inches unless otherwise noted):
  • SHK = Shank
  • OD = Outside Diameter
  • ID = Inside Diameter
  • OL = Overall Length
Product IDSizeRetail PriceSale PriceQtyAdd To Cart
WFK061256 WFK061256 - SHK 3/8 | OD3/8 | ID 1/8 |OL 3 $30.79 $29.29
WFK061258 WFK061258 - SHK 1/2 | OD3/8 | ID 1/8 |OL 3 $19.99 $18.99
WFKS061256 WFKS061256 - SHK 3/8 | OD3/8 | ID 1/8 |OL 3 $34.99 $33.19
WFKS061258 WFKS061258 - SHK 1/2 | OD3/8 | ID 1/8 |OL 3 $24.09 $22.89
WFK061406 WFK061406 - SHK 3/8 | OD 3/8 | ID 9/64 |OL 3 $30.79 $29.29
WFK061408 WFK061408 - SHK 1/2 | OD 3/8 | ID 9/64 |OL 3 $19.99 $18.99
WFKS061406 WFKS061406 - SHK 3/8 | OD 3/8 | ID 9/64 |OL 3 $34.99 $33.19
WFKS061408 WFKS061408 - SHK 1/2 | OD 3/8 | ID 9/64 |OL 3 $24.09 $22.89
WFK061566 WFK061566 - SHK 3/8 | OD 3/8 | ID 5/32 |OL 3 $30.79 $29.29
WFK061568 WFK061568 - SHK 1/2 | OD 3/8 | ID 5/32 |OL 3 $19.99 $18.99
WFKS061566 WFKS061566 - SHK 3/8 | OD 3/8 | ID 5/32 |OL 3 $34.99 $33.19
WFKS061568 WFKS061568 - SHK 1/2 | OD 3/8 | ID 5/32 |OL 3 $24.09 $22.89
WFK061716 WFK061716 - SHK 3/8 | OD 3/8 | ID 11/64 |OL 3 $30.79 $29.29
WFK061718 WFK061718 - SHK 1/2 | OD 3/8 | ID 11/64 |OL 3 $19.99 $18.99
WFKS061716 WFKS061716 - SHK 3/8 | OD 3/8 | ID 11/64 |OL 3 $34.99 $33.19
WFKS061718 WFKS061718 - SHK 1/2 | OD 3/8 | ID 11/64 |OL 3 $24.09 $22.89
WFK061876 WFK061876 - SHK 3/8 | OD 3/8 | ID 3/16 |OL 3 $30.79 $29.29
WFK061878 WFK061878 - SHK 1/2 | OD 3/8 | ID 3/16 |OL 3 $19.99 $18.99
WFKS061876 WFKS061876 - SHK 3/8 | OD 3/8 | ID 3/16 |OL 3 $34.99 $33.19
WFKS061878 WFKS061878 - SHK 1/2 | OD 3/8 | ID 3/16 |OL 3 $24.09 $22.89
WFK062036 WFK062036 - SHK 3/8 | OD 3/8 | ID 13/64 |OL 3 $30.79 $29.29
WFK062038 WFK062038 - SHK 1/2 | OD 3/8 | ID 13/64 |OL 3 $19.99 $18.99
WFKS062036 WFKS062036 - SHK 3/8 | OD 3/8 | ID 13/64 |OL 3 $34.99 $33.19
WFKS062038 WFKS062038 - SHK 1/2 | OD 3/8 | ID 13/64 |OL 3 $24.09 $22.89
WFK062186 WFK062186 - SHK 3/8 | OD 3/8 | ID 7/32 |OL 3 $30.79 $29.29
WFK062188 WFK062188 - SHK 1/2 | OD 3/8 | ID 7/32 |OL 3 $19.99 $18.99
WFKS062186 WFKS062186 - SHK 3/8 | OD 3/8 | ID 7/32 |OL 3 $34.99 $33.19
WFKS062188 WFKS062188 - SHK 1/2 | OD 3/8 | ID 7/32 |OL 3 $26.89 $25.49
WFK072036 WFK072036 - SHK 3/8 | OD 7/16 | ID 13/64 |OL 3 $22.89 $21.69
WFK072038 WFK072038 - SHK 1/2 | OD 7/16 | ID 13/64 |OL 3 $22.89 $21.69
WFKS072036 WFKS072036 - SHK 3/8 | OD 7/16 | ID 13/64 |OL 3 $41.89 $39.79
WFKS072038 WFKS072038 - SHK 1/2 | OD 7/16 | ID 13/64 |OL 3 $26.89 $25.49
WFK072186 WFK072186 - SHK 3/8 | OD 7/16 | ID 7/32 |OL 3 $22.89 $21.69
WFK072188 WFK072188 - SHK 1/2 | OD 7/16 | ID 7/32 |OL 3 $22.89 $21.69
WFKS072186 WFKS072186 - SHK 3/8 | OD 7/16 | ID 7/32 |OL 3 $37.69 $35.79
WFKS072188 WFKS072188 - SHK 1/2 | OD 7/16 | ID 7/32 |OL 3 $26.89 $25.49
WFK072818 WFK072818 - SHK 1/2 | OD 7/16 | ID 9/32 |OL 3 $22.89 $21.69
WFKS072816 WFKS072816 - SHK 3/8 | OD 7/16 | ID 9/32 |OL 3 $37.69 $35.79
WFKS072818 WFKS072818 - SHK 1/2 | OD 7/16 | ID 9/32 |OL 3 $26.89 $25.49
WFK081256 WFK081256 - SHK 3/8 | OD 1/2 | ID 1/8 |OL 3 $29.79 $28.29
WFK081258 WFK081258 - SHK 1/2 | OD 1/2 | ID 1/8 |OL 3 $19.09 $18.09
WFKS081256 WFKS081256 - SHK 3/8 | OD 1/2 | ID 1/8 |OL 3 $33.79 $32.09
WFKS081258 WFKS081258 - SHK 1/2 | OD 1/2 | ID 1/8 |OL 3 $23.09 $21.89
WFK081406 WFK081406 - SHK 3/8 | OD 1/2 | ID 9/64 |OL 3 $29.79 $28.29
WFK081408 WFK081408 - SHK 1/2 | OD 1/2 | ID 9/64 |OL 3 $19.09 $18.09
WFKS081406 WFKS081406 - SHK 3/8 | OD 1/2 | ID 9/64 |OL 3 $33.79 $32.09
WFKS081408 WFKS081408 - SHK 1/2 | OD 1/2 | ID 9/64 |OL 3 $23.09 $21.89
WFK081566 WFK081566 - SHK 3/8 | OD 1/2 | ID 5/32 |OL 3 $29.79 $28.29
WFK081568 WFK081568 - SHK 1/2 | OD 1/2 | ID 5/32 |OL 3 $19.09 $18.09
WFKS081566 WFKS081566 - SHK 3/8 | OD 1/2 | ID 5/32 |OL 3 $33.79 $32.09
WFKS081568 WFKS081568 - SHK 1/2 | OD 1/2 | ID 5/32 |OL 3 $23.09 $21.89
WFK081716 WFK081716 - SHK 3/8 | OD 1/2 | ID 11/64 |OL 3 $29.69 $28.19
WFK081718 WFK081718 - SHK 1/2 | OD 1/2 | ID 11/64 |OL 3 $19.09 $18.09
WFKS081716 WFKS081716 - SHK 3/8 | OD 1/2 | ID 11/64 |OL 3 $33.79 $32.09
WFKS081718 WFKS081718 - SHK 1/2 | OD 1/2 | ID 11/64 |OL 3 $23.09 $21.89
WFK081876 WFK081876 - SHK 3/8 | OD 1/2 | ID 3/16 |OL 3 $29.79 $28.29
WFK081878 WFK081878 - SHK 1/2 | OD 1/2 | ID 3/16 |OL 3 $19.09 $18.09
WFKS081876 WFKS081876 - SHK 3/8 | OD 1/2 | ID 3/16 |OL 3 $33.79 $32.09
WFKS081878 WFKS081878 - SHK 1/2 | OD 1/2 | ID 3/16 |OL 3 $23.09 $21.89
WFK082036 WFK082036 - SHK 3/8 | OD 1/2 | ID 13/64 |OL 3 $29.79 $28.29
WFK082038 WFK082038 - SHK 1/2 | OD 1/2 | ID 13/64 |OL 3 $19.09 $18.09
WFKS082036 WFKS082036 - SHK 3/8 | OD 1/2 | ID 13/64 |OL 3 $33.79 $32.09
WFKS082038 WFKS082038 - SHK 1/2 | OD 1/2 | ID 13/64 |OL 3 $23.09 $21.89
WFK082186 WFK082186 - SHK 3/8 | OD 1/2 | ID 7/32 |OL 3 $29.79 $28.29
WFK082188 WFK082188 - SHK 1/2 | OD 1/2 | ID 7/32 |OL 3 $19.09 $18.09
WFKS082186 WFKS082186 - SHK 3/8 | OD 1/2 | ID 7/32 |OL 3 $33.79 $32.09
WFKS082188 WFKS082188 - SHK 1/2 | OD 1/2 | ID 7/32 |OL 3 $23.09 $21.89
WFK082506 WFK082506 - SHK 3/8 | OD 1/2 | ID 1/4 |OL 3 $29.79 $28.29
WFK082508 WFK082508 - SHK 1/2 | OD 1/2 | ID 1/4 |OL 3 $19.09 $18.09
WFKS082506 WFKS082506 - SHK 3/8 | OD 1/2 | ID 1/4 |OL 3 $33.79 $32.09
WFKS082508 WFKS082508 - SHK 1/2 | OD 1/2 | ID 1/4 |OL 3 $23.09 $21.89
WFKS082818 WFK082818 - SHK 1/2 | OD 1/2 | ID 9/32 |OL 3 $23.09 $21.89
WFKS082816 WFKS082816 - SHK 3/8 | OD 1/2 | ID 9/32 |OL 3 $33.79 $32.09
WFKS082818 WFKS082818 - SHK 1/2 | OD 1/2 | ID 9/32 |OL 3 $23.09 $21.89
WFK083128 WFK083128 - SHK 1/2 | OD 1/2 | ID 5/16 |OL 3 $19.09 $18.09
WFKS083126 WFKS083126 - SHK 3/8 | OD 1/2 | ID 5/16 |OL 3 $33.79 $32.09
WFKS083128 WFKS083128 - SHK 1/2 | OD 1/2 | ID 5/16 |OL 3 $23.09 $21.89
WFK102506 WFK102506 - SHK 3/8 | OD 5/8 | ID 1/4 |OL 3 $36.19 $34.39
WFK102508 WFK102508 - SHK 1/2 | OD 5/8 | ID 1/4 |OL 3 $25.49 $24.19
WFK102816 WFK102816 - SHK 3/8 | OD 5/8 | ID 9/32 |OL 3 $36.19 $34.39
WFK102818 WFK102818 - SHK 1/2 | OD 5/8 | ID 9/32 |OL 3 $25.49 $24.19
WFK103126 WFK103126 - SHK 3/8 | OD 5/8 | ID 5/16 |OL 3 $36.19 $34.39
WFK103128 WFK103128 - SHK 1/2 | OD 5/8 | ID 5/16 |OL 3 $25.49 $24.19
WFK122506 WFK122506 - SHK 3/8 | OD 3/4 | ID 1/4 |OL 3 $36.19 $34.39
WFK122508 WFK122508 - SHK 1/2 | OD 3/4 | ID 1/4 |OL 3 $25.49 $24.19
WFK123126 WFK123126 - SHK 3/8 | OD 3/4 | ID 5/16 |OL 3 $36.19 $34.39
WFK123128 WFK123128 - SHK 1/2 | OD 3/4 | ID 5/16 |OL 3 $25.49 $24.19
Type "K" four-flute countersinks are 3-inches in overall length and designed for deep hole countersinking.. The cutting edges has an 82 degree angle for cutting both wood and plastic. The "K" designation in the item number indicates it is heat treated carbon steel. The "KS" in the item number means the material is stainless steel and is used for cutting hardwoods. The 3-inch overall length helps protect the center drill bit from breakage. Legend below explains sizing. Select your item(s) then click Add to Cart.


Legend (in inches unless otherwise noted):
  • SHK = Shank
  • OD = Outside Diameter
  • ID = Inside Diameter
  • OL = Overall Length
W.L. Fuller Inc. is a family owned, third generation, manufacturer of the best countersinks, counterbores, plug cutters, taper point drills, brad-point drills, and step drills. They have over 60 years of experience in manufacturing tools to cut woods, plastics, and metals.

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