High quality straight shank twist drill bits for grey cast iron

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Shanghai
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TT OR LC
Min Order Qty:
100 pc
Supply Capability:
100000 pc/month

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Product Description:

*Material: HSS4241, HSS4341, HSS6542(M2), HSS COBALT(M35 Co5%), HSS COBALT(M42 Co8%).

 

*Bit is constructed of high speed steel for the best combination of strength, heat resistance, and wear resistance

 

*Application: For drilling steel, cast steel, grey cast iron, malleable iron, sintered metal, low hardness Alloyed materials and stainless steel etc.

 

*For general use in wood, metal, and plastic

 

*Manufacturing Process: Ground, Milled, Rolled, Edge Ground.

 

*135 degree split point ensures a true start and eliminates bit walking

 

*Finish: Black finish, white finish, Black & White finish, Tin-coated Finish, Amber/Coffee Finish,

Rainbow Corlor Finish.Anodizing, Conversion Coating, Nickel plating, Zinc Plating, Chemical Polishing, Electric Polishing, Mechanical Polishing, Powder Coating, Painting, Glass bead blast, Sand blast, Passivation, Chemical Cleaning and Heat treatment, etc.

 

*Titanium coating resists corrosion,long life time

 

* Packing: PVC Pouch, Paper Box, Plastic tube, Metal Box or as percustumer's requirement

 

* Size: 0.15mm-25.0mm

 

* Hardness: 61-68 HRC

 

* Point Angle: 118* Or 135*(Split Point are avallable from 3.0mm)

 

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Q:CNC lathe processing precision hardware, how to choose the grinding wheel?
Silicon carbide grinding wheels are suitable for grinding hard alloy and other tools with higher hardness.
Q:What kinds of hardware fittings can be divided into?
Hardware accessories can be classified according to standard and non-standard parts. This classification is general, but the general classification is like this, and there are different hardware used in different industries, there are different categories.
Q:What kind of goods do you need to open a hardware store?
The hardware store, store the following tools: saws, drill, screwdriver, screws, faucets, locks, pipes, wires, such as pump barrel.
Q:What hardware fittings are needed for the glass curtain wall project?
If it is a hidden frame curtain wall, so the glass will use glass block, glass block fixing method depending on the column and the beam form is generally M6 self tapping screws fixed and M6 stainless steel bolts, stainless steel bolt with a nut a bomb. If it is a plain frame curtain wall, there will be no such item.
Q:I opened a small hardware factory, and I also have a few punch, want to do hardware accessories, and do not know what kind of good to do, good money, beg!
What do you want to punch?. What does your machine do?. Punch can punch too many things.
Q:What is wooden door hardware?
Hinge, handle, door lock, simply say, the metal part above the wooden door is wooden door hardware.
Q:What are the detailed classifications of hardware tools?
Hand tools, saws, wrenches, screwdrivers, pliersElectric and pneumatic tools; assembly; power tools; cutting; power tools; grinding; polishing; power tools; pneumatic toolsWeighing apparatus, measuring tool, lockset, cutter, weighing apparatus, measuring instrument, instrument, cutting tool, clampSecurity, daily hardware, security pipe fittings, door and window hardware, bathroom hardwareCraftsmen use tools, mechanics as tools, farm tools, civil tools, garden toolsSaw blade, saw blade, carbide saw blade, diamond saw blade, machine saw and saw equipmentAccessories, fittings, motor, reducer, air compressor, transmission partsMachinery, CNC, CNC electronic products manufacturing equipment, electrical appliances, machine tools and accessoriesMachinery equipment, packing equipment, printing equipment, separating equipment, welding and cutting equipmentEquipment, electric equipment, electric power, electrical equipment, wind
Q:How to inquire about the price of hardware products? How much is the gross profit of hardware products? Thank you
What are the purchase price is the core of an enterprise, and ask you to query the hardware industry friends, or you can also go to the major hardware website look at the price, you can also pretend to buy the products, price consulting
Q:How to buy some ardware
Professionals said that, on the market of aluminum magnesium alloy and alumina two main Aluminum Alloy common materials, the price difference of nearly 1/3, due to alumina and aluminum and magnesium alloy surface looks almost, it is quite difficult for consumers to distinguish, but still can be judged from the handle, water etc.. Aluminum magnesium alloy material is relatively heavy, the surface is smooth, water stains are not easy to trace, good toughness. And the surface of alumina material is rough, easy to black or trace of water stains. At the same time, if there is a slight scratch on the surface, the aluminum magnesium alloy material can be easily wiped away, while the alumina is difficult to remove. In addition, the door handle will also vary greatly because of the distance and the type of the door.
Q:What's drawing design in a hardware factory?
Hardware factory drawing design is to use CAD or proe to do some mapping and three-dimensional parts of some small parts.

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