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High Quality Tungsten Carbide Rods With Two Helix Holes For Making Drills
High Quality Tungsten Carbide Rods With Two Helix Holes For Making Drills
High Quality Tungsten Carbide Rods With Two Helix Holes For Making Drills
High Quality Tungsten Carbide Rods With Two Helix Holes For Making Drills
- Type Specification: ØD×2Ød×TKØ×LB, L indicates the length, B indicates helical angle, 30 degree the most, and 15°, 40°, 45° are optional.
- Application: for making cutting tools, for example drills with two helical holes.
- Diameter: 6 mm to 20 mm
- Length: standard 330 mm or customized.
- Surface: blank or h6 ground.
- Material: WC + Cobalt.
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Product Name High quality Tungsten carbide rods with two helix holes for making drills
Material WC + CO
Grade K05-K10, K20-K40
Grain Size Ultra Fine
Hardness 92 HRA, 92.3HRA
T.R.S 3000 MPa, 3800 MPa
Surface Blank or Ground
Application Used for making drills with two helical holes

Grade properties of High quality Tungsten carbide rods with two helix holes for making drills

Grade ISO Code Grain Size Cobalt Density (g/cm3) Hardness (HRA) T.R.S(Mpa)
UBT05 K05-K10 1.0 6.0 14.95 92 3000
UBT10 K05-K10 0.4 6.0 14.8 94 3800
UBT20F K20-K40 0.8 10.2 14.5 91.5 3900
UBT20 K20-K40 0.6 10.2 14.3 92.3 3800
UBT25 K20-K40 0.4 12 14.1 92.5 4200
UBT30 K30-K40 1.5 15 14 87.6 4000

Regular sizes of High quality Tungsten carbide rods with two helix holes for making drills

Outer Diameter(mm) TK(mm) Inner diameter(mm) Pitch(mm) Length(mm)
D Tolerance TK Tolerance d Tolerance Pitch Tolerance Length Tolerance
6.3 0.3 2.60 -0.4~0 0.7 ±0.15 32.65 -0.65~0.67 330 0~+5.0
8.3 0.3 4.00 -0.4~0 1.00 ±0.15 43.53 -0.86~0.89 330 0~+5.0
10.3 0.3 4.80 -0.6~0 1.40 ±0.15 54.41 -1.08~1.11 330 0~+5.0
12.3 0.4 6.25 -0.8~0 1.40 ±0.15 65.3 -1.30~1.34 330 0~+5.0
14.3 0.4 7.10 -0.8~0 1.75 ±0.15 76.18 -1.51~1.56 330 0~+5.0
15.3 0.4 7.70 -0.8~0 1.75 ±0.15 79.45 -1.58~1.62 330 0~+5.0
16.3 0.5 8.30 -0.8~0 1.75 ±0.15 87.06 -1.73~1.78 330 0~+5.0
18.3 0.5 10.40 -1~0 2.00 ±0.15 97.95 -1.94~2.00 330 0~+5.0
20.3 0.5 10.40 -1~0 2.00 ±0.15 108.83 -2.16~2.23 330 0~+5.0

Product details of High quality Tungsten carbide rods with two helix holes for making drills

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