3mm 4mm 5mm Solid tungsten carbide drill bits Set For Porcelain Tile

Brand Name:KTC
Certification:CCC
Model Number:DB-3D/5D
Minimum Order Quantity:10 pcs
Delivery Time:1-35days
Payment Terms:T/T, L/C,Paypal...
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Location: Changzhou Jiangsu
Address: Xixiashu Industrial Zone,Xinbei District,Changzhou City,Jiangsu Province,China
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3mm 4mm 5mm Solid tungsten carbide drill bits Set For Porcelain Tile


tungsten carbide drill bits


Description


Choosing the right drill bit for the task is an important part of any project or application. Whether it’s matching the appropriate bit to the substrate material, getting the right match for the depth and diameter of the hole, or even the volume of work needed, the right choice can extend the life of your drill bits. This in turn helps to improve productivity by allowing you to get more done with each drill bit.


Specifications


DB-3D/5D Tungsten steel drill bit is made of imported fine particle tungsten steel material with bending strength of 4300mpa, grain size of 0.6 μm, and high-performance composite coating imported from Switzerland. The cutter adopts special angle design, strict quality control, self inspection rate of 100%, qualification rate of more than 98%, suitable for hole processing of various grades of steel, non-ferrous metals and other materials.


Raw MaterialGU20UF/TF200
WC89%
Co11%
TRS>4300N/mm2
Hardness>91.5HRA
A.O.L66mm-153mm
Grain size0.6 μm
UptoHRC55-60
CoatingBalzers/TiSiN
Suitable forvarious grades of steel, non-ferrous metals and other materials

Coating

ItemTiSiN
Hardness(HV)3600
Thickness(UM)3
Oxidation temp(°)1000
Friction coeffient0.45
ColorCopper

Standard Sizes

Flute Length=3*D
Cutting DiameterShank Diameter* Overall Length
D3-D6D6*66L
D6.1-D8D8*79L
D8.1-D10D10*89L
D10.1-D12D12*102L
D12.1-D14D14*107L
D14.1-D16D16*115L
D16.5-D18D18*123L
D18.5-D20D20*131L
Flute Length=5*D
Cutting DiameterShank Diameter* Overall Length
D3-D3.7D6*66L
D4-D4.65D6*74L
D4.8-D6D6*82L
D6.1-D8D8*91L
D8.1-D10D10*103L
D10.1-D12D12*118L
D12.1-D14D14*124L
D14.1-D16D16*133L
D16.5-D18D18*143L
D18.5-D20D20*153L

China 3mm 4mm 5mm Solid tungsten carbide drill bits Set For Porcelain Tile supplier

3mm 4mm 5mm Solid tungsten carbide drill bits Set For Porcelain Tile

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