Adjustable Countersink Cutter


The Adjustable Countersink Cutter has a beveled head and is used to countersink while drilling pilot holes for flat head wood screws. Set screw holds countersink head onto drill, so depth of drill and countersink is adjustable. The Countersink Cutter is available for drill sizes 7/32", 1/4" and 3/16". 82° angle on countersink.

Please note that 2-Flute Countersink (items 043822 and 043824) will be discontinued and replaced with 4-Flute Countersink with hardened steel. Item #043810 is the new 4-Flute Adjustable Countersink.



SKU Description   UM Thick Width Length Height Board ft. Net Wt. Diameter Grade Grit Plys Radius SPB Ship Note Min. Qty Pcs/Box Pcs/Bundle Winding Ft/Box Handle Len Head Diam Head Len Mfg. # Qty
043822 1/2" Adjustable Countersink Cutter - 7/32" Drill CO EA 1/2"
043824 1/2" Adjustable Countersink Cutter - 1/4" Drill EA 1/2"
043810 1/2" Countersink Cutter - 3/16" Drill CO EA 1/2"
043820 1/2" Adjustable Countersink Cutter - 3/16" Drill EA 1/2" 1/2"
043826 Countersink Set Screws SO EA

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Important Information

  • Shipping: Freeman charges standard published UPS/FedEx shipping rates (unless freight is specified). All orders under $25 are subject to a $5 small order fee. International orders are subject to a $250 minimum order.

  • Liquid products are sold by weight, not volume.

  • SPB = Sheets per Box

  • HAZ-G = Hazardous material, cannot ship air, up to $33 surcharge applied for each package shipped ground within the US.

  • HAZ-A = Hazardous material, cannot ship air, no surcharge for ground shipping.

  • HAZ-T = Toxic material, must be sent by freight carrier.

  • FRT = must be sent by freight carrier due to size, weight, or hazardous classification.


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