HSS-CO cobalt drill bit, Straight shank twist drill,specially used in stainless steel processing
- Ref Price:
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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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Specifications
1. Offers a complete line of Metal Twist Drill Bits, such as straight shank, taper shank, etc;
2. Process: fully ground;
Dimensions
1. Drill diameter - The values indicated in the relevant dimensional standards apply in respect of the diameter of twist drills.
•Test point: On the lands at the corners
•Testing equipment: micrometer
2. Tapering of diameter - The diameter of twist drills usually reduces from the drill tip towards the shank in the area of the flutes.
•Test values: The taper on diameter amounts to 0.02 to 0.08mm over a length of 100mm.
•Test point: At the outside diameter on the land.
•Testing equipment: micrometer and indicating measuring instruments.
3. Parallel shank - Tolerance for shank diameter f11, Tolerance for roundness and parallelism 0.02mm for the shank length.
4. Length - The tolerance of length for the total length corresponds for the degree of accuracy "very coarse" according to DIN standards. The flute lengths given in the relevant dimensional stands are minimum dimensions.
5. Point angle
•Test value: σ=118°; σ=135°
•Test point: At the cutting edges
•Testing equipment: Universal bevel protractor indicating measuring instruments.
Materials and hardness
•Materials - M2, M35, M42, 9341, 4341, 4241, etc
•Hardness - HSS HRC63-66; HSSCo HRC64-68
•Test point: On outside diameter on the land or adjacent relieved land.
•Test equipment: Hardness Tester.
Marking
Twist drills with diameter 3mm and upwards shall be marked with:
1.Diameter;
2.Material: (HSS, HSSCo);
3.Additional and/or differing marking by agreement.
- Q: The bathroom hardware should be stainless steel or Aluminum Alloy it?
- The preferred stainless steel with good economic condition has the advantages of easy cleaning and durability, and strong toughness
- Q: Hardware stamping materials, know to tell me, the more species, the better, thank you ~!
- It is certainly a stamping material of copper, brass, copper, stainless steel, iron, aluminum, carbon steel, spring steel, nickel. We are professionals in the sales of mould materials. Please cooperate with us when we have problems and need to use die steel
- Q: What hardware fittings are needed for the glass curtain wall project?
- You ask too much, but I do not answer, is the point type curtain wall, glass curtain wall is used above curtain wall claw, wholesale factory in Jiangsu, in Foshan, if it is to claw curtain accessories, we can talk, have contact.
- Q: How do you do the hardware business?
- Looking for small, relatively low tech orders. Because the production capacity is limited, for large quantities of professional products, could not even pick up a line, and a large volume of orders relative profit is very low, for not being able to produce large amounts of labor of small and medium-sized enterprises is difficult to stand up, and a large volume of orders requires a large amount of capital turnover, for this small and medium-sized enterprises is also a big problem. Therefore, the establishment of enterprises in the development of the market to find more small quantities of relatively high profits of orders and buyers, more conducive to the growth of enterprises and the accumulation of raw funds.
- Q: What do you do at a hardware store?
- The hardware store selling general: saws, drills, screws, screwdriver, faucet, pipe, pump barrel, lock, a class of things such as wire.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. Big hardware includes steel plate, steel, flat iron, steel bar, universal channel iron, I-iron and various types of hardware, building hardware, tin, lock nails, wire, steel wire, steel wire cutting, home hardware, tools etc.. On the hardware properties and uses, should be divided into steel materials, non-ferrous metal materials, machinery parts, transmission equipment, auxiliary tools, work tools, building hardware, home hardware such as eight hardware store, store the following tools: saws, drill, screwdriver, screws, faucets, locks, pipes, wires, and a pump barrel things like.
- Q: How do hardware stores feature?
- Hello. You and I just opened a hardware store. This is my two do early I was doing. People's long time stable source.
- Q: I would like to ask the so-called jewelry hardware refers to which hardware, including what?
- Gold necklaces, rings, bracelets, earrings, I don't know
- 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: Are there any better hardware parts for the glass sliding door?
- Could you tell me how thick your glass door is?Hardware accessories should be better, it will be better.
- Q: Hardware should be how to buy?
- Look brand. If you want to buy customer service guarantee bathroom accessories, consumers choose the best brand of hardware accessories, although the brand that the price is higher, but when the parts quality problems, consumers can find businesses to replace or repair, or buy the whole brand hardware accessories relatively cost-effective, selected the top ten bathroom accessories brand ArgentCrystal bathroom is a good choice.
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HSS-CO cobalt drill bit, Straight shank twist drill,specially used in stainless steel processing
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 pc
- Supply Capability:
- 100000 pc/month
OKorder Service Pledge
OKorder Financial Service
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