Countersinks and Crank Drive Countersinks



GRATTEC Countersinks



Countersink for deburring and chamfering holes.

Part No. EL1300GT


  • with blade holder EL0300GT,
  • with HSS countersink 20 mm GT-C20,
  • with Universal Handle EL1000GT.


Crank Drive Countersink Set "GT-ROTO"

Deburring Set for or fast and accurate deburring / chamfering (patented)

Part No. EL7500GT


  • with Universal Handle EL1000GT for all GRAT-TEC blade holders,
  • with Crank Drive Countersink with external thread for HSS countersinks GT-C12, GT-C20 and GT-C30
    for holes up to 28 mm. The countersink angle of 56 deg. allows deep recesses,
  • with Countersink GT-C20 for holes up to 18 mm.


Crank Drive Countersink "GT-U"

The fast way to deburre, chamfer and countersink holes (patented)

Part No. EL6500GT


  • with Compact Handle with long-life blade housing made out of steel.
  • for blades type "E" (Shaft-Ø 3,2 mm),
  • for all tools with Crank Drive,
  • with HSS Countersink 16,5 mm GT-BC1650.


Mini Crank Drive Countersink

Countersink for holes up to 3,2 mm

Part No. FT1200GT


  • with non-replaceable blade,
  • with Softgrip Handle.

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