Cylindrical Shank HSS Interchangeable Pilot Counterbores Drill Bit for Metal Duberring

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Quick Details
Place of Origin:
Brand Name:
Model Number:
Round S Counterbore Drill Bit
Countersink Drill Bit
Wood Drilling, For metals countersunk screws and fixings
Product name:
Cylindrical Shank HSS Interchangeable Pilot Counterbore Drill Bit
Pilot Diameter:
Shank Size:
Cutter Length:
Cutter Diameter:
High Speed Steel
Shank Type:
Round Shank
Surface Finish:
1 Piece in One Plastic Box
Supply Ability
Supply Ability:
100000 Piece/Pieces per Month
Packaging & Delivery
Packaging Details
Plastic tube, blister with color card,
Shanghai, Ningbo,Shenzhen, Guangdong
Metal Tools Guide

Product Description
 Product Photos

 Product Description

 More Choice For YouHome > Drill Bit > HSS Drill Bit> HSS Countersink Drill Bit>Counterbore Drill Bit

Product NameCylindrical Shank  HSS Interchangeable Pilot Counterbore Drill Bit for Metal Duberring

Thread Size M8                                             Pilot Diameter: 9mm

Cutter Diameter: 15mm                                  Cutter Length: 22mm

Shank Diameter: 12.5mm                               Overall Length: 100mm

MaterialHigh Speed Steel   (Cobalt5%-M35, Carbide SteelCarbon Steel  are Available)
Shank TypeRound Shank      (Hex Shank, Taper Shank, Tri-Flat Shank, Weldon Shank, Long Shank are Available)
Surface FinishWhite      (Tin-Coated, Black and White, Black, Black and Yellow are Available)
Package1 Piece in One Plastic Box       (Double Blister Card is Available)

1.Counterbores for cutting holes where a capscrew or fastener is required to sit flush or even below the level of the workpiece. Thread size is the size of the screw thread to sit within the hole and cutting diameter shows the size that will be cut for both the capscrew and head.

2.Made from industrial grade High-Speed Steel for increased durability.

3.A counterbore hole is usually used when the head of a fastener, such as a hex head or socket head capscrew, is required to be flush with or below the level of a workpiece's surface.

 Product Sizes


* Other Sizes are available,Concact Us to Learn More.

3 Flute and 0 Flute

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Company Introduction:

DANYANG TONGYU TOOLS is one of Professional Tools Suppliers with 18 Years Experience.

We Specialize in all kinds of Drill Bit and Hole Saw and Saw Blade.