Unground Two Straight Oil Feed Holes Carbide Rods Fracture toughness 9.5 Cemented Carbide Rods
Product details:
Diameter: Dia4.3-20.3mm
Length: 330mm
Material: YL10A
Hardness: HRA 92.8
Fracture toughness:10.5
T.R.S :3800
Grain size: Fine
8% Cobalt with fine grain size, high fracture toughness tungsten carbide rods with two straight coolant holes rods. It is recommended for the drilling of cast iron and aluminum alloys.
General specifications for the two straight coolant holes rods:
| Outer Diameter mm | TK mm | Inner Diameter mm | Deviation of holes
position≤(mm) a | Length mm |
| OD | Tol. | TK | Tol. | ID | Tol. | Length | Tol. |
| 4.30 | +0/+0.3 | 1.8 | -0.4/0 | 0.800 | ±0.1 | 0.15 | 330 | 0/+5.0 |
| 5.30 | 2.0 | -0.4/0 | 0.800 | ±0.1 | 0.20 | 330 | 0/+5.0 |
| 6.30 | 3.0 | -0.5/0 | 1.000 | ±0.15 | 0.20 | 330 | 0/+5.0 |
| 7.30 | 3.5 | -0.5/0 | 1.000 | ±0.15 | 0.20 | 330 | 0/+5.0 |
| 8.30 | 4.0 | -0.6/0 | 1.000 | ±0.15 | 0.20 | 330 | 0/+5.0 |
| 9.30 | 4.0 | -0.6/0 | 1.400 | ±0.15 | 0.20 | 330 | 0/+5.0 |
| 10.30 | 5.0 | -0.6/0 | 1.400 | ±0.15 | 0.20 | 330 | 0/+5.0 |
| 11.30 | +0/+0.4 | 5.0 | -0.6/0 | 1.400 | ±0.15 | 0.28 | 330 | 0/+5.0 |
| 12.30 | 6.0 | -0.6/0 | 1.750 | ±0.15 | 0.30 | 330 | 0/+5.0 |
| 13.30 | 6.0 | -0.6/0 | 1.750 | ±0.15 | 0.34 | 330 | 0/+5.0 |
| 14.30 | 7.0 | -0.6/0 | 1.750 | ±0.15 | 0.37 | 330 | 0/+5.0 |
| 15.30 | 8.0 | -0.6/0 | 2.000 | ±0.2 | 0.37 | 330 | 0/+5.0 |
| 16.30 | 8.0 | -0.6/0 | 2.000 | ±0.2 | 0.40 | 330 | 0/+5.0 |
| 17.30 | +0/+0.6 | 9.0 | -0.6/0 | 2.000 | ±0.2 | 0.47 | 330 | 0/+5.0 |
| 18.30 | 9.0 | -0.6/0 | 2.000 | ±0.2 | 0.50 | 330 | 0/+5.0 |
| 19.30 | 9.0 | -0.6/0 | 2.000 | ±0.2 | 0.50 | 330 | 0/+5.0 |
| 20.30 | 10.0 | -0.8/0 | 2.500 | ±0.25 | 0.50 | 330 | 0/+5.0 |
Technical parameters:
| General tolerance for the raw sintered solid carbide rods |
| Diameter | Tolerance | | Length | Tolerance | | Straightness | Tolerance |
| 0,5- 3,5 | +0,25/+0,35 | ＜100.0 | +0.5/+1.0 | 0,6-4 | 0,10 |
| 4,0- 6,0 | +0,25/+0,40 | 100.0-165.0 | +1.0/+2.5 | 4,5-8 | 0,12 |
| 6,5-12,0 | +0,30/+0,45 | 165.0-335.0 | +1.0/+6.0 | 8,5-12,0 | 0,15 |
| 12,5-16,0 | +0,35/+0,50 | | 12,5 - 20 | 0,20 |
| 16,5- 22,0 | +0,40/+0,55 | ≥20,5 | 0,24 |
| 22,5-45,0 | +0,45/+0,60 | | |
Grades for tungsten carbide rods:
| Grade | ISO Code | Grain size
μm | Cobalt % | Density
g/cm3 | Hardness | T.R.S |
| | HV30 | HRA | N/mm2 | KPSI |
| YF06 | K05‐K10 | 0.5 | 6.0 | 14.90 | 1850 | 93.5 | 3800 | 553.9 |
| YL10A | K10‐K20 | 0.8 | 8.0 | 14.65 | 1780 | 92.8 | 4200 | 609.5 |
| YL10.2 | K20‐K30 | 0.8 | 10.0 | 14.42 | 1600 | 91.5 | 4000 | 580 |
| XF30 | K30‐K40 | 0.6 | 12.0 | 14.10 | 1700 | 92.5 | 4000 | 580 |
Recommended Application
| Grade | Application |
| YF06 | Suitable for machining composite materials, such as aluminum‐magnesium alloys, plastics, reinforced plastics, carbon, fiber, iron‐based alloys, etc. It is recommended for making big PCB drills of ф3.2‐6.3mm, micro drills of ф0.8‐3.2mm, micro-milling tools and reamers, etc. |
| YL10A | It is suitable for machining cast iron, aluminum alloys, etc. also for machining common steels.
It is recommended for the drilling of cast iron and aluminum alloys. |
| YL10.2 | It is suitable for machining common steel, cast iron, stainless steel, heat‐resistant steel, nickel-based alloys, titanium alloys, etc. It is recommended for making conventional tools, such as twist drills, end drills, screw taps, etc. |
| XF30 | It is suitable for machining titanium alloy, heat‐resistant alloys, stainless steel, hardened steel, grey cast iron, glass‐fiber Reinforced plastics, composite materials, etc. It is recommended to make drills and milling tools, etc. |
