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Small Cemented Carbide Milling Blanks PCB Drill Bits 8% Cobalt
Small Cemented Carbide Milling Blanks PCB Drill Bits 8% Cobalt
Small Cemented Carbide Milling Blanks PCB Drill Bits 8% Cobalt
Small Cemented Carbide Milling Blanks PCB Drill Bits 8% Cobalt
Specifications
Brand Name :
OUQI
Model Number :
Endmills blanks
Certification :
ISO9001:2008 ISO14001:2004
Place of Origin :
China
MOQ :
10pc
Price :
negotiable
Payment Terms :
L/C, D/A, D/P, T/T, Western Union, MoneyGram
Supply Ability :
5000kgs per month
Delivery Time :
Standard products in one week
Packaging Details :
plastic box/box + Cartons
Material :
8% Cobalt
ISO Grade :
K20-k30
Diameter :
3mm
Leght :
40mm
Tolerance :
h6/h5
Surface Roughness :
Ra 0.2
Circularity :
0.02
straightness :
0.02
Density :
14.56
Hardness HV30 :
1900
T.R.S :
4000
Grain size :
-
Description

Small PCB drills cemented carbide milling blanks with 8% Cobalt as the binder

Outer diameter: 3mm

Length: 40mm or as per required

Roughness: Ra 0.2 or Ra 0.05

Chamfer one side: 0.5*45°

Grade Density T.R.S Hardness Properties & Applications
g/cm3 N/mm2 HV30
YU08 14.56 4000 1900 Suitable for manufacturing micro-drills with a diameter less than 0.8mm for machining PCB. It is also suitable for manufacturing various kinds of solid cemented carbide tools for machining glass fiber, wood, plastics, paper and brass, Al alloy etc.

Regular size for small drills:

Small Cemented Carbide Milling Blanks PCB Drill Bits 8% Cobalt

Diameter mm Length mm Diameter mm Length mm
D Tolerance L Tolerance D Tolerance L Tolerance
1.60 +0/-0.006 20 0/+0.5 10.00 +0/-0.009 50 0/+0.5
2.35 30 0/+0.5 10.00 70 0/+0.5
2.35 45 0/+0.5 10.00 72 0/+0.5
3.00 60 0/+0.5 10.00 75 0/+0.5
4.00 +0/-0.008 40 0/+0.5 10.00 80 0/+0.5
4.00 46 0/+0.5 10.00 90 0/+0.5
4.00 50 0/+0.5 10.00 100 0/+0.5
4.00 60 0/+0.5 12.00 +0/-0.011 70 0/+0.5
4.00 75 0/+0.5 12.00 79 0/+0.5
4.00 100 0/+0.5 12.00 83 0/+0.5
5.00 50 0/+0.5 12.00 100 0/+0.5
5.00 60 0/+0.5 12.00 120 0/+0.5
5.00 100 0/+0.5 13.00 100 0/+0.5
6.00 40 0/+0.5 14.00 75 0/+0.5
6.00 50 0/+0.5 14.00 80 0/+0.5
6.00 58 0/+0.5 14.00 83 0/+0.5
6.00 60 0/+0.5 14.00 100 0/+0.5
6.00 67 0/+0.5 16.00 80 0/+0.5
6.00 75 0/+0.5 16.00 90 0/+0.5
6 100 0/+0.5 20.00 +0/-0.013 100 0/+0.5
8 +0/-0.009 50 0/+0.5
8 60 0/+0.5
8 63 0/+0.5
8 75 0/+0.5
8 90 0/+0.5
8 100 0/+0.5

General Tolerance for ground carbide rods

General tolerance for the h6 finished ground solid carbide rods
Diameter Tolerance μm Length Tolerance Straightness Tolerance Circularity Tolerances
＜3.0 -6/0 ＜100.0 +0.5/+1.0 ＜4.0 0.07 <3,0 2,0 micron
3.0-6.0 -8/0 100.0-165.0 +1.0/+2.5 4.5-5.0 0.06 3,0- 6,0 2,5 micron
6.0-1.0 -9/0 165.0-335.0 +1.0/+6.0 5.5-12 0.05 6,1-10,0 3,0 micron
10.0-18.0 -11/0 ＞12.5 0.04 10,1-18,0 3,5 micron
18.0-30.0 -13/0 18,1- 30,0 4,0 micron
30.0-50.0 -16/0 30,1- 50,0 5,0 micron

General tolerance for the h5 finished ground solid carbide rods
Diameter Tolerance μm Length Tolerance Straightness Tolerance Circularity Tolerances
＜3.0 -4/0 ＜100.0 +0.5/+1.0 ＜4.0 0.07 <3,0 2,0 micron
3.0-6.0 -5/0 100.0-165.0 +1.0/+2.5 4.5-5.0 0.06 3,0- 6,0 2,5 micron
6.0-1.0 -6/0 165.0-335.0 +1.0/+6.0 5.5-12 0.05 6,1-10,0 3,0 micron
10.0-18.0 -8/0 ＞12.5 0.04 10,1-18,0 3,5 micron
18.0-30.0 -9/0 18,1- 30,0 4,0 micron
30.0-50.0 -11/0 30,1- 50,0 5,0 micron

Our tungsten carbide rods:

  • 100% virgin material, no recycled material
  • Spray drying tower and HIP sintering furnace
  • Constant excellent quality
  • Large stock for all sizes, the regular products can be shipped in 3 days, and the special rods can be ground in one week.
  • 100% inspected before delivery. The inspection including raw material and dimension report will be sent you before delivery
  • Excellent grinding quality, Straightless and circularity could be 0.05 or 0.02.

Carbide grades

Small Cemented Carbide Milling Blanks PCB Drill Bits 8% Cobalt

What we can provide

Small Cemented Carbide Milling Blanks PCB Drill Bits 8% Cobalt

Small Cemented Carbide Milling Blanks PCB Drill Bits 8% Cobalt

Small Cemented Carbide Milling Blanks PCB Drill Bits 8% Cobalt

Product tags

carbide milling bits

,

cemented carbide tool bits

,

carbide milling bit
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Small Cemented Carbide Milling Blanks PCB Drill Bits 8% Cobalt

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Product Detail
Brand Name :
OUQI
Model Number :
Endmills blanks
Certification :
ISO9001:2008 ISO14001:2004
Place of Origin :
China
MOQ :
10pc
Price :
negotiable
Contact Supplier
Small Cemented Carbide Milling Blanks PCB Drill Bits 8% Cobalt
Small Cemented Carbide Milling Blanks PCB Drill Bits 8% Cobalt

Zhuzhou TGC Cemented Carbide Co.,Ltd.

Verified Supplier
4 Years
hunan, zhuzhou
Since 2013
Business Type :
Manufacturer, Distributor/Wholesaler, Exporter, Seller
Main Products :
Tungsten Carbide Rod, Carbide Rods With Chamfer, Cemented Carbide Milling Blanks
Total Annual :
1000000-5000000
Employee Number :
50~100
Certification Level :
Verified Supplier
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