• High quality straight shank twist drill bits for grey cast iron System 1
  • High quality straight shank twist drill bits for grey cast iron System 2
  • High quality straight shank twist drill bits for grey cast iron System 3
High quality straight shank twist drill bits for grey cast iron

High quality straight shank twist drill bits for grey cast iron

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Loading Port:
Shanghai
Payment Terms:
TT OR LC
Min Order Qty:
100 pc
Supply Capability:
100000 pc/month

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*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)

 

Q:How to maintain the hardware?
Kitchen cabinet hardware parts should be often wiped with dry cloth, otherwise easy to rust, such as the hardware parts found difficult to remove the surface of the black spots, can be added a little kerosene cleaning.
Q:What does building hardware include?
Hardware refers to gold, silver, copper, iron, tin, five metal materials, said, "hardware is the mother of the industry"; the basis of national defense, hardware products, usually only divided into large hardware and hardware two categories.
Q:What does hardware refer to? What's the use?
Gold, silver, copper, iron, tin, traditional hardware, also known as "hardware"". Refers to iron, steel, aluminum and other metal, through forging, calendering, cutting and other physical processing made from a variety of metal devices. Such as hardware tools, hardware parts, daily hardware, construction hardware and security supplies. Most hardware products are not final consumer goods.
Q:What do you do at a hardware store?
The hardware store. Most of them are tired. Because the main thing is manual work. Just go as long as you are a coolie. You have to do everything. Most of the stores will be more than eight hours a day
Q:What kind of goods do you need to open a hardware store?
Most of the hardware stores include: ordinary light bulbs, energy-saving light bulbs, switches, sockets, wires, safety switches, taps, sandpaper, brushes, and economical coatings.
Q:What kind of hardware installation is there in order of home decoration?
General bought the house, it is necessary to consider the new home decoration, sometimes is not assured decoration workers careless, sometimes in order to save costs, part of hardware will be to install yourself, if you usually do not work with these objects will be optimistic about the installation essentials, not just random installation, because of the small hardware are connected carefully selected furniture, Huaihua hardware Xiaobian bring you all kinds of hardware installation steps, do not seek the most, only hope for help.
Q:What does "R0.5max" mean in hardware drawing?
The "R0.5max" in the hardware drawing refers to the maximum allowable fillet R0.5.Max:N. maximum; maximumV. maximum; maximum possibleHardware:Traditional hardware, also known as "hardware"". Of five metals: gold, silver, copper, iron, and aluminum. By artificial processing, you can make knives, swords and other art or metal devices. The hardware of modern society is more extensive, such as hardware tools, hardware parts, daily hardware, construction hardware and security products. Most hardware products are not final consumer goods.
Q:What's drawing design in a hardware factory?
Mapping is the first to return the drawings and to use software to measure them. Three-dimensional map, popular is the use of people with visual difference and optical refraction principle in a plane so that people can directly see a three-dimensional painting, painting things can be protruded from the outside of the screen, which can also be hidden, to give people a strong visual impact. This is mainly the use of light, to reflect the actual situation, the contrast of light and shade, and 3D picture is the real simulation of the human eye to see the world principle, using optics refraction produced, it can make sense to see the eyes of objects on the left, and the three-dimensional relationship.
Q:How do you do the hardware business?
How to communicate with customers in the marketing, there are a lot of communication failures, where and why? In my dictionary, following the so-called communication failure Description: "don't be customer acceptance, or customers do not understand what is said, all invalid. The reason for this communication disorder is that the language situation is too weak, the voice, expression or reading skills are inadequate, the task of making sentences, or lack of interest in communication objects." It is important to build a bridge of trust or goodwill between customers at the first contact with the customer. At the same time, we should first point out the urgency of customer demand for this product, thereby causing customers to buy desire. Almost all salespeople agree that the most difficult part of all sales promotion is communication with customers. In fact, successful communication is difficult because of their different environments and different positions
Q:Do you need your own hardware to buy a suit door?
Buy a set of doors, do not need to match their own hardware, but some hardware needs additional money.

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