5pcs HSS Countersink Drill Cone Bit Set #6 #8 #10 #12 #14

This 5pcs countersinks are suitable for drilling less than 25HRC hardness workpieces, such as carbon steel, sheet iron, insulation board, PVC board, wood, etc.

Features:

6 piece set includes 5 bits for drilling pilot holes for screw sizes#5 #6,#8,#10 and #12 and 1 hex wrench.

Special designed HSS steel counter sleeve countersinks amp; counter bores pilot hole.

Adjustable counter sleeve depth with allen wrench.

Adjustable drills length for various length screws simply by loosening and tightening the screw.

Pre-drilling and countersink to drive screws flush with the material surface or deep hole counter boring for driving screw heads below the surface.

Super sharp cutting flute clears chips efficiently and leaves a clean amp; smooth hole.

Adjustable drill bit length for desired screwed depth, and features a flattened shank for a no-slip countersink connection.

Specifications:

Color: Gold + Black

Material: Carbon Steel + High Speed Steel

Hardness: HRC 60

Countersink Sizes: #6, #8, #10, #12, #14

Shank: 1/4 quot; Hex Shank

Quantity: 5 pcs Drill Bits + 1 pc Small Wrench

Chamfer Diameter: 10mm / 0.39 quot;

Countersink Diameter:

6# 2.38mm / 0.09 quot; 

8# 2.78mm / 0.11 quot; 

10# 3.175mm / 0.125 quot; 

12# 3.56mm / 0.14 quot;

14# 3.97mm / 0.16 quot;

Weight: Approx. 58.5g / 2.06oz

Package Size: Approx. 7 * 5 * 1.1cm / 2.78 * 1.97 * 0.43in

Package Weight: Approx. 60g / 2.12oz

Package List:

5 * Countersink Drill Bits

1 * Hex Wrench

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