4 HSS Countersink Drill Bit Set Quick Change Shank Trim Screw 6 8 10 12

Features:

1.Fourpiecesetincludesbitsfordrillingpilotholesforcountersinksizes#6,#8,#10and#12.

2.Specialdesignedsteelcountersleevecountersinksorcounterborespilothole.Adjustablecountersleevedepthwithawrench.

3.Drillinglengthcanbeadjustedforvariouslengthscrewssimplybylooseningandtighteningthesetscrew.



Specifications:

Material:HSS4241(TiTitanium-coated)

:Asthepicturesshow

Blackchamferdrillbodymaterial:steel45



Countersinksizes:#6,#8,#10,#12

6#2.38mm(0.0937")

8#2.78mm(0.1094")

10#3.175mm(0.125")

12#3.56mm(0.14")

Shank:1/4Roundshank.



Suitableforlessthan25HRChardnessworkpiece,suchascarbonsteel,sheetiron,insulationboard,PVCboard,wood,etc.
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