Name: K20 Unground Carbide End Mill Engraving Bits Dia 93mm Tungsten Steel Rod
Brand: OUQI
Price: 1 USD

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K20 Unground Carbide End Mill Engraving Bits Dia 9.3mm Tungsten Steel Rod

Brand Name:OUQI

Certification:ISO 9001: 2015

Model Number:Cemented Carbide Rods

Minimum Order Quantity:10pc

Delivery Time:Standard products in one week

Payment Terms:L/C, D/A, D/P, T/T, Western Union, MoneyGram

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Zhuzhou TGC Cemented Carbide Co.,Ltd.

Site Member

Location: Zhuzhou Hunan China

Address: Block B, building 4, Area B, Hi Tech New Makin Valley Xiangyuehuan Road, Tianyuan District, Zhuzhou, Hunan, China

Supplier`s last login times: within 2 hours

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Product Details

Ultra-Fine Grain Size Dia9.3 Unground Carbide Rods For Making End Mills And Engraving Cutters

Specification:

Type: for making end mills and engraving cutters with high wear resistance requirements

Diameter: 9.3mm +0.4

Carbide Grade: K20-K30

Hardness: HRA 94.1

Transverse Rupture Strength 3800-3900 N/mm²

Density 14.40-14.70 g/cm³

Grain size: 0.4μm

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

Our advantage for Tungsten carbide rods:

100% virgin material, no recycled material
Spray drying tower and HIP sintering furnace
Constant excellent quality
Large stock for all sizes
100% inspected before delivery

Recommend application:

Ultra-fine grains, suitable for making end mills and engraving cutters with high wear resistance requirements, suitable for processing PCB materials, acrylic materials, and high-hardness aluminum alloys.

Grades for tungsten carbide rods:

ISO	Grain size	Cobalt	Density	Hardness	T.R.S	k1C	Applications
Code	μm	%	g/cm³	HRA	N/mm²	Mpa.m^1/2	Applications
K01	0.5	3	15.1	94.5	2200	-	For the cutting of the timber such as shaving board, laminated board, density board, compound material etc.
K10	0.5	6	14.8	94	3800	8.7	Ultra-fine grain size, with good wear resistance, higher wear-resistant end mills, engraving tool, and high mirror polished cutting tools are recommended, suitable for processing Aluminum-magnesium alloy, composite sheet, PCB, plastic, CFRP etc.
K20	0.8	8	14.65	92.5	3200	-	Sub-fine grain size, for drills and taps, for machining Grey cast iron, nonferrous metal, with good wear resistance.
K10-K20	0.2	9	14.45	94	4200	9.2	Nano grain size, with high wear resistance and toughness, suitable for finishing of hardened steel, high-precision and high-mirror processing of graphite, plastic, CFRP, stainless steel, and aluminum alloy. Suitable for making 0.3-0.5mm drills.
K40	0.8	10	14.45	91.8	3800	10.5	Sub-fine grain size, processing by medium speed, good general performance, drill bits, and end mills are recommended, suitable for cutting ordinary alloy steel, aluminum alloy, heat resistant alloy, cast iron etc.
K40	0.6	10	14.45	92.2	4000	10.7	Ultra-fine grain size, excellent heat resistance, suitable for high-speed milling and drilling, especially suit for making overall drill bits. Suitable to process alloy steel, heat-resistant alloy, cast iron, non-ferrous metals, stainless steel and other materials.
K40-K50	0.4	12	14.12	92.5	4200	10.2	Ultra-fine grain size, with good wear-resistant and toughness, especially suitable for finishing and processing alloy steel, aluminum alloy, titanium alloy, etc. Suitable for making end mills and reamer.
K40-K50	0.8	15	13.98	89.6	4500	13.8	Sub-fine grain size, with good wear resistance and toughness, suitable for making punching of mold, anti-vibration boring bar, and machining low-hardness material with deep cutting tools.