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Seco Cylindrical SD408 Crownloc™ Plus Exchangeable Tip Drill 168.2 x 15.88mm SD408-12.00/12.49-100-0625R1

Cylindrical SD408 Crownloc™ Plus Exchangeable Tip Drill

  • Internal coolant.
  • Cylindrical shank (R1) fits holders: 5834 and 5672.

All About Crownloc™ Plus:

  • Crownloc™ Plus is a new generation of Seco drills with exchangeable crowns.
  • Featuring a new geometry, coating and locking interface.
  • Crownloc Plus improves chip evacuation and wear resistance in a variety of materials.
  • Crownloc Plus features a strong drill body design, high-strength locking interface with deep and wide flutes and polished body.
  • The drill’s crowns have a new optimized geometry for improved chip formation and enhanced centering capability.
  • The combination of a TiAlN coating, low-friction TiN coating on the exchangeable head and 10% micro-grain substrate serve to increase the toughness and wear resistance while reducing the potential for edge build-up.
  • Crownloc Plus provides you with high productivity, excellent chip evacuation, flexibility, and easy handling.
  • These lead to increased output, higher process security, reduction of tool inventory and elimination of regrinding costs.


  • AIMS SKU A0114204
  • Brand Seco
  • Model Number 2623627
  • Barcode Number 23627026000107
  • Net Weight (kg) 0.175
  • Designation SD408-12.00/12.49-100-16R1
  • Cutting Diameter Maximum (DCX) mm 12.5
  • Flange Diameter (DF) mm 20
  • Usable Length (LU) mm 100
  • Shank Diameter (DMM) X Overall Length (OAL) mm 16 x 168.2
  • Cutting Diameter Minimum (DCN) mm 12
  • Shank Length (LS) mm 48
  • Usable Length Max (LUX) mm 108.2
  • Functional Length Secondary (LFS) mm 120.2
  • Peripheral Effective Cutting Edge Count (ZEFP) 2
  • Type Exchangeable Tip Drill
  • Shank Type Cylindrical
SKU: A0114204 On Sale

Seco Cylindrical SD408 Crownloc™ Plus Exchangeable Tip Drill 168.2 x 16mm SD408-12.00/12.49-100-16R1

Cylindrical SD408 Crownloc™ Plus Exchangeable Tip Drill

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