High quality HSS straight shank twist drill bits for electric drill

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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:What are the detailed classifications of hardware tools?
Hardware category: Decoration / lamps / hardware / security / bathroomSpecific categories: lock bit hardware tools hardware cutter blade sawing machine hardware lock scissors glasses box hardware cloth hardware fixture terminal electric tool stamping column pneumatic wrench screwdriver kit hook scaffolding hinge combination tools hand tools casters stainless steel products opener brush screwdriver Paddleball hardware products Hardware Hardware ball mill grinding machine electronic hardware rack hydraulic components of garden tools and precision metal film sawing machine polishing wheel rasp tapping machine drilling machine gun knife pliers hydraulic cylinder hydraulic cylinder barbecue net fluorescent lamp tweezers brush roller screwdriver blade grinding machine reamer electric knife ring seal black wire cloth broom strand paint brush vise rivet gun construction tools Aluminum Alloy ladder storage It is hot melt adhesive gun pneumatic nail tool industrial casters hole hot-air gun hydraulic tools wine bottle opener pliers glass sand rubber spring diamond bit sports leisure goods titanium claws fruit knife automatic spray gun hydraulic tongs hydraulic pickaxe folding ladder joint waterproof casing blowing dust gun glue gun electric winch hook rubber scraper diamond pick aluminum hydraulic hose ladder construction and drilling machine vibration mill butter cigar scissors fork spade skull lace shear shear manual hardware hydraulic wrench alloy tube brake casters no fan power construction fastener pipe machine caster casters bearing domestic window brush knife ladder window scraping high-temperature casters snow brush mower blade diamond thin-wall drill pressure spray nozzle of light metal casters damping caster shovel rechargeable electric clipper transport tool accessories
Q:How do hardware stores feature?
I'm from small and full start. The hardware is in full, just started when your funds and sales are not too much people how much goods. A bit. Starting from the service.
Q:Please tell people where can to buy genuine hardware accessories?
TX should choose to go to large stores to buy, quality and service to protect some.
Q:How many kinds of hardware are there in this industry?
Hardware can actually be divided into tools and hardware two categories;The tools below can be subdivided:Manual tool (brush, scissors, pliers, screwdriver, wrench, hammer, file, tap die, pump, etc.) (saw blade, a chainsaw, etc.)Pneumatic tools (pneumatic wrench, pneumatic scissors, drilling, etc.)Electric tools (electric polishing machine, electric drill, electric hammer, electric wrench, electric scissors, air guns and etc.)Auto repair toolsConstruction equipment and toolsGaugeGardening tools and equipmentDiamond toolsAbrasives, abrasive (grinding wheel, grinding head, grinding block, sand paper, Whetstone, polishing wheel, grinding agent, polishing paste, etc.);Hardware subdivided into:Hardware fittings (hook, steel ball, pulley, nozzle, universal wheel, rigging, etc.)Construction hardware (locks, fittings, doors and windows, hardware, etc.)Mechanical hardware (bearings, dies, springs, valves, cutting tools and clamps, pneumatic components, etc.)Daily hardware (knife, scissors, etc.)
Q:What kind of hardware installation is there in order of home decoration?
If the door (door and door): first hinge positioning (or repair groove), temporary installation - positioning lock, remove the lock - processing and installation after formal installation of the door, and installed in the positioning door -- etc.
Q:Some commonly used metal stamping parts of the material?
On the nature and use of hardware, iron and steel materials, non ferrous metal materials, machinery parts, transmission equipment, auxiliary tools, working tools, construction hardware, household hardware and other eight categories are to be consideredGenerally speaking, all metal products belong to hardware.Hardware is not specific strict classification, coverage is too wide.
Q:How to distinguish the advantages and disadvantages of bathroom hardware?
Raw materials: zinc alloy Liepin generally use inferior recycled materials as raw materials, and cut corners to reduce costs, loose structure, light weight, feel giddy. Superior products: general use fine cast pure copper, high-quality zinc alloy or titanium alloy as raw material, tight structure, heavy weight, feel thick. Raw material, YISHION and copper are preferred. The casting and finishing process: the shortage of small Liepin die casting machine and simple machine, pressure, product gross PI surface pores, cracks and surface defects of wire lines, inequality, polishing process rough, simple process. Superior products: the use of large precision computer control die-casting machine tools and digital precision machine tools, rough surface smooth, smooth, no pores, silk defects and other phenomena, grinding and throwing, when the process is rigorous, a wide range of processes. The plating: plating Liepin is thin and uneven, loose structure, poor adhesion, luster, the chrome plated directly in the blank, after a period of time, the surface is easily corroded, wear, blistering and peeling off. The coating thickness is less than 20 microns, the material is easy to be oxidized by air, and the coating surface has many scratches and burrs. Products: in strict accordance with the national standard electroplating technology, using imported raw copper, nickel, chromium and copper after, three plating process, depending on the sense of thick, shiny, long-term use will not wear, corrosion, foaming or peeling,. Compact structure, uniform coating, "" crisp, color surface coating thickness in general more than 30 microns, no scratch coating surface and burr. The accessories Liepin: fasteners made of steel screws, easy to rust, glass products made of low-grade products, uneven thickness, low transparency, visual sense of opacity. Excellent...
Q:What brand of hardware is better?
Buy Bathroom Hardware recommended to buy the big brands, of course, in order to avoid unnecessary trouble I suggest you choose those big brands, with the quality of customer service in this regard will be controlled better, like ATGET, a brand of bathroom hardware dily V - O of the two one brand is I trust, with the overall feeling Ya Jie is my home is good, and the Delong Delong, Yatin Yatin, HAVA HAVA, ArgentCrystal ArgentCrystal, elegant, these brands are good brand reputation, are the ten famous network on the china-10 are the latest bathroom hardware accessories
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 is suitcase hardware? Do you know?
Luggage hardware is simple, that is, bags and backpacks and other hardware used. Luggage hardware accessories are mostly not final consumer goods

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