915 Generation 8 Pcs HSS Countersink Drill Bit Set 90 Degree Countersink

Detailed Information About The Product:

perfect for making countersunk countersunk holes and countersunk holes for plugs.
The countersinks are carbon steel, the surface is titanium coated, sturdy and durable, not easy to rust, long service life.
This kit is suitable for DIY at home and daily use, it allows to drill easily and effectively, without burr.
Universal size compatible with all types of drill, drilling machines, including vertical drilling machine, and another common milling .
Used in hardness 25 under the part, such as carbon steel, sheet metal, insulation boards, PVC board, wood
For the 90 ° chamfer piece hole or conical hole, the chamfer edge edges and angles of the treatment angle
Can be completed finished the treatment of the cone for one time. Applicable to the small process.
Neat edges, smooth, no broken edge, small resistance to chamfering, high precision in the hole, more durable
Flute with big chip, fast for the elimination of chips
Three s of medium for laborious, each force of the smaller, high efficiency and more durable
Specifications:
Handle: round handle
Color: Gold + Silver
Material: High speed steel
Surface treatment: titanium coated
CUT:
Diameter of the head * Diameter of the stem * Length
6.3MM: 6.3MM * 5MM * 37MM
8.3MM: 8.3MM * 6MM * 40MM
10.4mm: 10.4mm * 39MM * 6MM
12.4mm: 12.4mm * 10MM * 46MM
16.5mm: 16.5mm * 47mm * 10MM
20.5mm: 20.5mm * 47mm * 10MM
Package Contents:
8Pcs * Three Chamfering Drilling
Only the above package content, other products are not included.
Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.

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