0.6mm
Customized
DIN
Taper-length
Center Drill Bit
Cobalt Steel Alloys
91.8hra
3500MPa
3.175mm(-0.005~0)
38mm
0.6mm
ZZUP
25kg. Carton
diameter 3mm*36mm
Zhuzhou, Hunan, China
820900100
Product Description
stock 0.6mm shank 3.175mm Micro Tungsten Carbide Drill Bit Set for PCB Drilling
stock 0.6mm shank 3.175mm Micro Tungsten Carbide Drill Bit Set for PCB Drilling
Products description
stock 0.6mm shank 3.175mm Micro Tungsten Carbide Drill Bit Set for PCB Drilling
Products description
1. Grade: YL10.2,YG10X,YG12X,YG15,YG20,YG10,YG8,YG8 etc.
2. diameter from 0.3mm~100mm,
3. length from 10mm~1000mm
4. tolerance for diameter (.-0.05~+0.05),tolerance for length (0~+0.2mm).
5. also can make angles of tips are 30º,60º,90º
Product Name | stock 0.6mm shank 3.175mm Micro Tungsten Carbide Drill Bit Set for PCB Drilling |
Material | tungsten carbide |
Color | grey |
Standard | DIN GB ISO JIS BA ANSI |
Grade | YL10.2,YG10X,YG12X,YG15,YG20,YG10,YG8,YG8 etc |
Brade | ZZUP |
Grain size | 0.6um |
Used | for milling 45HRC,50HRC,60HRA metals |
Products Show



Grade specification
Grade | Density(g/cm3) | Hardness (HRA) | T.R.S (MPa) | Grain size (μm) | Composition (%) | Equal to ISO |
YU12 | 14.1~14.15 | .≥92.5 | ≥4000 | 0.2~0.5 | 12% CO 88% WC | K40~K50 |
YL10.2 | 14.4~14.6 | ≥92.2 | ≥4000 | 0.6~0.8 | 10% CO 90% WC | K20~K30 |
YG6X | 14.85~15.0 | ≥92.0 | ≥3860 | 0.8~1.0 | 6% CO 94% WC | K05 |
YG15 | 14.0~14.1 | ≥85.0 | ≥2800 | 1.2~2.0 | 15%Co 85% WC | K30~K40 |
YG10 | 14.5~14.6 | ≥85.5 | ≥2600 | 1.2~2.0 | 10%Co 90% WC | K20 |
YG8 | 14.65~14.85 | ≥89.5 | ≥2320 | 1.2~2.0 | 8% CO 92% WC | K20 |
YG6 | 14.85~15.05 | ≥90.0 | ≥2150 | 1.2~2.0 | 6% CO 94% WC | K10 |
sizes and polished details
Diameter(mm) | Length(mm) | grinding and polishing |
0.3~1.0 | 5~330 | h6,h7,H6 or H7 |
1.0~3.0 | 5~330 | h6,h7,H6 or H7 |
4.0~80 | 5~1000 | h6,h7,H6 or H7 |
Packing details

Shipping ways

Production process

Contact details
