English (World wide)
Customers in North America, please click here.

Announcing the release of core bit, efficient drilling with cordless
impact driver.

  • Unique double edged tooth design improves the initial drilling efficiency and easy to remove the cutting chip.
  • Drilling in a metal plate up to 1.6mm in thickness with cordless driver drill in rotary mode only
  • Easy to operate with the automatic locking and manual release mechanism.
     (S-LOCK system)


  • wood, plywood, resin material, vinyl chrollde pipe and FRP / metal sheet and stainless steel sheet(up to 1.6mm)
    * for drilling in metal sheet and stainless steel sheet (up to 1.6mm) in rotary mode only.


Cutter size: o14mm to 65mm (o35/64" to 2-9/16")
Max. drilling depth: 40mm(1-9/16")
Shank size: Straight shank(10mm)
SDS-plus shank
Hex 6.35mm impact shank (up to diameter 38mm with DL core cutter)
Applicable electric drill: Portable electric drills (in rotary-only mode)
cordless impact driver (up to diameter 38mm with DL core cutter)

The actual sizes are in metric, and imperial sizes are approximate.
Cutter size D Cutters
mm inch Part No.
20mm 25/32" SLDL020
21mm 13/16" SLDL021
22mm 7/8" SLDL022
25mm 1" SLDL025
27mm 1-1/16" SLDL027
28mm 1-3/32" SLDL028
30mm 1-3/16" SLDL030
32mm 1-1/4" SLDL022
33mm 1-9/32" SLDL033
35mm 1-3/8" SLDL035
38mm 1-1/2" SLDL038
* Click here for information about the shanks and center drills.