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Wholesale Unground Sintered Carbide Rod Blank 330mm Long, Cemented Tungsten Carbide Round Bar for End Mill & Drill Bit Raw Material Supplier, Suppliers
Product Description
Basic Info
The tungsten solid carbide rods are press molded by precision molding or extrusion methods.
Sintered by a low-pressure sintering integrated furnace, ensuring consistently high structural performance.
Available as rough blanks or fine-ground to tight outer-diameter tolerances (h5, h6, -0.005) with chamfering options.
Suitable for steel, cast iron, stainless, nickel base, and titanium alloys. Recommended for drills, end mills, and taps.
Carbide Rods — Grade Specifications
| GRADE | ISO Grade | Grain Size (μm) | Co (%) | Density (g/cm³) | Hardness (HRA) | TRS (N/mm²) | Application |
|---|---|---|---|---|---|---|---|
| A06 | K05-K10 | 1.0 | 6 | 14.95 | 92.6 | 4000 | Grade for semi-finishing and finishing milling or drilling of materials (HRC48-55) with medium and high speed, including stainless steel, heat-resistant alloy, die steel, cast iron, 7-series aluminum alloy, titanium alloy, corrosion-resistant and heat-resistant alloy. |
| A06U | K05-K10 | 0.7 | 6 | 14.95 | 93.3 | 4000 | Grade for mills and drills with D≥0.8mm. Suitable for woodworking industry processing. |
| A06UF | K05-K10 | 0.4 | 6 | 14.90 | 93.8 | 4200 | Grade for mills and drills with 0.4mm≤D≤1.6mm. Superior microstructure by the customized powder of high quality from H.C.Starck, which allows the particle size distribution to be centralized with better stability and wear resistance. |
| A09N | K10-K20 | 0.2 | 9 | 14.40 | 93.6 | 4500 | Excellent grade for material below HRC60 such as hardened steel. Also suitable for non-alloy metals, high hard plastics, non-alloy steel, reinforced fiber composite materials, titanium alloy materials etc., and is widely used in the processing of high speed, high hardness and high wear-resistant materials. Application for high speed cutting tools. The ultra-high toughness allowed by the customized WC powder of nano-particle from H.C.Starck. |
| A10F | K20-K30 | 0.7 | 10 | 14.45 | 91.8 | 4000 | Grade for roughing and semi-finishing milling of heat-treated steel, common alloy steel, cast iron and other soft material below HRC45. Superior microstructure by the customized powder of high quality from H.C.Starck, which allows the particle size distribution to be centralized with better stability and wear resistance. |
| A12U | K30-K40 | 0.4 | 12 | 14.25 | 92.3 | 4200 | Grade for roughing and semi-finishing milling of material (HRC45-52), including stainless steel, aluminum alloy, steel, non-ferrous metal. Superior microstructure by the customized powder of high quality, which allows the particle size distribution to be centralized with better stability and wear resistance. |
| A12UF | K30-K40 | 0.4 | 12 | 14.14 | 92.3 | 4200 | Quality guaranteed by the powder from H.C.Starck. Suitable for the semi-finishing of high hard steel below HRC55. |
Carbide Rods — Standard Tolerances
1. Grinding Rod (Length ≤ 100mm)
| Type | Tolerance of Diameter (mm) | Tolerance of Length (mm) |
|---|---|---|
| 1.0 < D ≤ 3.0 | -0.001 / -0.006 | 0 / +1.0 |
| 3.0 < D ≤ 6.0 | -0.001 / -0.008 | 0 / +1.0 |
| 6.0 < D ≤ 10.0 | -0.001 / -0.009 | 0 / +1.0 |
| 10.0 < D ≤ 18.0 | -0.001 / -0.011 | 0 / +1.0 |
| 18.0 < D ≤ 30.0 | -0.001 / -0.013 | 0 / +1.0 |
2. Grinding Rod (Length 100mm < L ≤ 330mm)
| Type | Tolerance of Diameter (mm) | Tolerance of Length (mm) |
|---|---|---|
| 1.0 < D ≤ 3.0 | -0.001 / -0.006 | 0 / +5 |
| 3.0 < D ≤ 6.0 | -0.001 / -0.008 | 0 / +5 |
| 6.0 < D ≤ 10.0 | -0.001 / -0.009 | 0 / +5 |
| 10.0 < D ≤ 18.0 | -0.001 / -0.011 | 0 / +5 |
| 18.0 < D ≤ 30.0 | -0.001 / -0.013 | 0 / +5 |
| 30.0 < D ≤ 40.0 | -0.001 / -0.016 | 0 / +5 |
Why Choose APEX Carbide
Around 20 years production and management experience, Advanced production technology, High-precision machines, Strict QC management system, Special-designed packing boxes and tubes, Various shipping methods.
1. Tungsten carbide blanks production
Good quality carbide products rely on 100% virgin raw materials and advanced wet-milling, pressing machines and sintering furnaces. We put emphasize on every production process of our carbide blanks. To keep good quality of carbide blanks is the base of furtherly machined high precision finished carbide parts.
2. Advanced CNC Equipment
This street light features high brightness, energy saving, environmental protection, and easy installation. It has a waterproof rating of IP67 and has passed CE certification. It is suitable for schools, parks, roadsides, factories, squares, etc. It has a warranty period of 3 years. Moreover, we can provide various styles to meet your needs.
3. Inspection and testing process
In order to ensure the quality of all our tungsten carbide finished products, a very strict QC management system we called "Quality Control Center" has been introduced. With our advanced inspection equipment and our professional inspectors, we are able to do raw materials inspection, on-site inspection and after finishing inspection to ensure 100% good quality of your carbide products.
Special-designed packing boxes and tubes will be used properly for the standard and customized carbide products to ensure the safety of the goods during the transportation process. A wide range of shipping ways can be available for your shipments, for example we can ship goods by Sea, by air and by Express companies like DHL/FedEx/UPS/TNT etc.
Frequently Asked Questions (FAQ)
Q1
What are the main applications of your tungsten carbide rods?
Our Apex carbide rods are widely used for manufacturing end mills, drills, reamers, taps and other cutting tools. They are suitable for metal cutting, mold processing, mechanical machining and other industries.
Q2
What types of carbide rods can you produce?
We supply 4 main types:
1. Unground long rods
2. Unground cut-to-length rods
3. Ground long rods
4. Ground cut-to-length rods
The ground rods can reach h5/h6 diameter tolerance, or customized tolerance as customer's request.
Q3
What is your MOQ?
MOQ is 1kg. We accept sample orders and trial orders. If the quantity can not reach bulk MOQ, the product will be charged at sample price.
Q4
Can I get samples for testing?
Yes, samples are available. We can provide free samples for quality testing, while the freight cost needs to be borne by buyers.
Q5
What is your raw material for carbide rods?
We adopt 100% original high quality Co+WC powder as raw material, stable raw material ensures consistent hardness, density and bending strength of finished rods.
Q6
How about your delivery time?
Normally 3-15 working days. For in-stock items, delivery can be finished within 8 working days. For non-stock customized products, lead time is about 15~20 working days.
