Fastener Products

Counterboring Drill Bit　DNZ-SDS

For hollow core precast concrete slab

DNZ-SDS
・For Slab Only Anchor
・Drill bit with a stopper

Open chart in PDF

Unit：mm
Diameter L ℓ1※ ℓ2※
12.5 110 22 59
※ℓ1 is the drilling depth in the base material while ℓ2 is the length that can be drilled including the fireproof coating material.

For concrete

DNZ-SDS
・For Wedge Anchor with Coupling Nut AW/SAW-3050BW (D)
・Drill bit with a stopper

Open chart in PDF

Unit：mm
Diameter L ℓ1※ ℓ2※
10.0 154 66 103
※ℓ1 is the drilling depth in the base material while ℓ2 is the length that can be drilled including the fireproof coating material.