
YATO HSS hex-shank countersink drill bits are designed for professionals chamfering hole edges in metal, wood, laminated boards, and similar materials. Available in six diameters, they combine 5-blade geometry, a 45° split point, and a hexagonal shank for use with compatible cordless screwdrivers and impact tools.
Key Features
- HSS Construction: designed for chamfering hole edges in metal, wood, laminated boards, stainless steel, structural steel, aluminum, and similar hard or difficult-to-drill materials.
- 5-Blade Geometry: supports clean countersinking and controlled material removal.
- 45° Split Point: supports drilling without prior center punching.
- Hexagonal Shank: compatible with suitable cordless screwdrivers and impact tools.
- Screw Compatibility: suitable for chamfering holes for M5, M6, M8, and M10 screws, including PH2, PH3, PZ2, and PZ3 head types.
- Diameter Range: available in 6.3 mm, 8.3 mm, 10.4 mm, 12.4 mm, 16.5 mm, and 20.5 mm variants.
Technical Specifications
| Parameter |
Value |
| Brand |
YATO |
| Category |
Countersinks and sets |
| Product Type |
Hex-shank countersink drill bit |
| Material |
HSS |
| Application |
Chamfering the edges of holes in metal, wood, laminated boards, stainless steel, structural steel, aluminum, and similar materials |
| Screw Compatibility |
M5, M6, M8, M10 screws; PH2, PH3, PZ2, PZ3 head types |
| Surface Finish |
Polished |
| Toolholder Type |
Hexagonal |
| Blade Quantity |
5 |
| Drill Bit Point Angle |
45° |
| Split Point |
Yes |
| Available Diameters |
6.3 mm, 8.3 mm, 10.4 mm, 12.4 mm, 16.5 mm, 20.5 mm |
| Unit Of Measure |
SZT |
Variant Comparison
| SKU Code |
Spec / Size |
Diameter |
Length |
Product Weight |
Toolholder Size |
Dimensions (L×W×H) |
Quantity / Included Pieces |
| 100189-0001 |
Countersink 6.3 mm HEX |
6.3 mm |
40 mm |
0.006 kg |
1/4" (6.3 mm) |
12.5 × 8.0 × 2.0 cm |
1 pcs |
| 100189-0006 |
Countersink 8.3 mm HEX |
8.3 mm |
40 mm |
0.008 kg |
1/4" (6.3 mm) |
12.5 × 8.0 × 1.5 cm |
1 pcs |
| 100189-0002 |
Countersink 10.4 mm HEX |
10.4 mm |
40 mm |
0.013 kg |
1/4" (6.3 mm) |
12.5 × 7.5 × 2.0 cm |
1 pcs |
| 100189-0003 |
Countersink 12.4 mm HEX |
12.4 mm |
40 mm |
0.008 kg |
1/4" (6.3 mm) |
13.0 × 8.0 × 2.0 cm |
1 pcs |
| 100189-0004 |
Countersink 16.5 mm HEX |
16.5 mm |
45 mm |
0.023 kg |
1/4" (6.3 mm) |
12.5 × 7.5 × 3.5 cm |
1 pcs |
| 100189-0005 |
Countersink 20.5 mm HEX |
20.5 mm |
45 mm |
0.026 kg |
1/4" (6.3 mm) |
12.5 × 7.5 × 3.0 cm |
1 pcs |
Package Contents
- 1 × HSS hex-shank countersink drill bit in the selected diameter