Please Note: We try very hard to present accurate product images, but product changes occur constantly. All images should be considered approximations. If a particular product feature, color or characteristic is especially important, please call us to verify that information before placing your order. Thank you.

Single Flute Countersink (Sizes)


  • 82 degree pitch
  • 1/4 In shank
  • For machine countersinking holes of small diameter.
  • Hooked rake angle gives a smooth surface finish in almost all materials.
  • It is suggested that the diameter of the tool chosen be at least 50% larger than the finished diameter required.
  • Not to be used in portable applications.
Product SKU/Mfr Part # Selling Unit Qty Avail/Qty On-order Price Order
Single Flute Countersink 1/4 In
27818
XL801-1/4X82
EA 1/0In Stock
1- 4
$14.790
5-24
$13.311
25+
$12.572
+ list
Single Flute Countersink 3/8 In
27820
XL801-3/8X82
EA 2/0In Stock
1- 4
$16.790
5-24
$15.111
25+
$14.272
+ list
Single Flute Countersink 1/2 In
27817
XL801-1/2X82
EA 3/0In Stock
1- 4
$20.990
5-24
$18.891
25+
$17.842
+ list
Single Flute Countersink 5/8 In
27821
XL801-5/8X82
EA 1/0In Stock
1- 4
$29.290
5-24
$26.361
25+
$24.897
+ list
Single Flute Countersink 3/4 In
27819
XL801-3/4X82
EA 2/0In Stock
1- 4
$38.990
5-24
$35.091
25+
$33.142
+ list